Trophic niche of Dendropsophus minutus (Anura: Hylidae) in southern Brazil

Trophic niche of Dendropsophus minutus (Anura: Hylidae) in southern Brazil. The feeding biology of the Neotropical tree frog Dendropsophus minutus is described based on identifcation of the items consumed by the anuran. Samples were collected monthly samplings for one year in an Araucaria forest in the state of Paraná in southern Brazil. Of the total of 101 gastrointestines examined, 51 were empty or contained digested remains or plant items. The 50 samples of gastrointestinal contents contained three classes and 10 orders of arthropods. The results suggest that D. minutus is a generalist predator that feeds on arthropods, primarily those in the orders Araneae, Lepidoptera, and Diptera. The diet varies seasonally depending upon prey activity, which determines the breadth of the trophic niche of the frog.Nicho trófco de Dendropsophus minutus (Anura: Hylidae) no sul do Brasil. A biologia alimentar da perereca neotropical Dendropsophus minutus é descrita a partir da identifcação dos itens predados pela espécie. Amostras foram coletadas mensalmente por um ano em uma área de Floresta de Araucária no estado do Paraná, sul do Brasil. Um total de 101 estômagos foi analisado, sendo que desses 51 estavam vazios ou continham itens digeridos ou fragmentos de plantas. As 50 amostras de conteúdo gastrintestinais estudadas continham três classes e 10 ordens de artrópodes. Os resultados sugerem que D. minutus é um predador generalista que se alimenta de artrópodes, principalmente das ordens Araneae, Lepidoptera e Diptera. A dieta varia sazonalmente, dependendo da atividade das presas, o que determina a amplitude do nicho trófco da espécie

Catálogo Taxonômico da Fauna do Brasil: setting the baseline knowledge on the animal diversity in Brazil

The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian megadiverse fauna is no exception, and the Catálogo Taxonômico da Fauna do Brasil (CTFB) (http://fauna.jbrj.gov.br/), made public in 2015, represents a database on biodiversity anchored on a list of valid and expertly recognized scientific names of animals in Brazil. The CTFB is updated in near real time by a team of more than 800 specialists. By January 1, 2024, the CTFB compiled 133,691 nominal species, with 125,138 that were considered valid. Most of the valid species were arthropods (82.3%, with more than 102,000 species) and chordates (7.69%, with over 11,000 species). These taxa were followed by a cluster composed of Mollusca (3,567 species), Platyhelminthes (2,292 species), Annelida (1,833 species), and Nematoda (1,447 species). All remaining groups had less than 1,000 species reported in Brazil, with Cnidaria (831 species), Porifera (628 species), Rotifera (606 species), and Bryozoa (520 species) representing those with more than 500 species. Analysis of the CTFB database can facilitate and direct efforts towards the discovery of new species in Brazil, but it is also fundamental in providing the best available list of valid nominal species to users, including those in science, health, conservation efforts, and any initiative involving animals. The importance of the CTFB is evidenced by the elevated number of citations in the scientific literature in diverse areas of biology, law, anthropology, education, forensic science, and veterinary science, among others

Diet and trophic niche of Lithobates catesbeianus (Amphibia: Anura)

Lithobates catesbeianus (Shaw, 1802) is an invasive anuran introduced in Brazil that is associated with the displacement and the decline of populations of native species worldwide. There is evidence that biological invasions are facilitated by certain attributes of the invading species, for instance niche breath, and that invasive species have a broader ecological niche with respect to native ones. We designed a study to ascertain the temporal, ontogenetic, and sex differences in the niche dynamics of the American bullfrog. We sampled monthly from June 2008 to May 2009 in the state of Paraná, southern Brazil. For each individual, we gathered biometric and stomach content data. We then estimated the niche breath of the juveniles and adults, and compared it between the sexes. A total of 104 females and 77 males were sampled. Lithobates catesbeianus has a generalist diet, preying upon invertebrates and vertebrates. Even though the diet of the studied population varied seasonally, it did not differ between the sexes nor did it respond to biometric variables. Niche breadth was more restricted in the winter than in the autumn. The trophic niche of juveniles and adults did not overlap much when compared with the trophic niche overlap between males and females. Adult males and females had a considerable niche overlap, but females had a broader trophic niche than males in the winter and in the spring. These niche characteristics point to an opportunistic predation strategy that may have facilitated the process of invasion and establishment of this species in the study area

Diet and trophic niche of Lithobates catesbeianus (Amphibia: Anura)

Lithobates catesbeianus (Shaw, 1802) is an invasive anuran introduced in Brazil that is associated with the displacement and the decline of populations of native species worldwide. There is evidence that biological invasions are facilitated by certain attributes of the invading species, for instance niche breath, and that invasive species have a broader ecological niche with respect to native ones. We designed a study to ascertain the temporal, ontogenetic, and sex differences in the niche dynamics of the American bullfrog. We sampled monthly from June 2008 to May 2009 in the state of Paraná, southern Brazil. For each individual, we gathered biometric and stomach content data. We then estimated the niche breath of the juveniles and adults, and compared it between the sexes. A total of 104 females and 77 males were sampled. Lithobates catesbeianus has a generalist diet, preying upon invertebrates and vertebrates. Even though the diet of the studied population varied seasonally, it did not differ between the sexes nor did it respond to biometric variables. Niche breadth was more restricted in the winter than in the autumn. The trophic niche of juveniles and adults did not overlap much when compared with the trophic niche overlap between males and females. Adult males and females had a considerable niche overlap, but females had a broader trophic niche than males in the winter and in the spring. These niche characteristics point to an opportunistic predation strategy that may have facilitated the process of invasion and establishment of this species in the study area

Ebonius Lewis 1885

Ebonius Lewis, 1885 Ebonius Lewis, 1885: 209 (description); 1893: 417 (illustration); 1905: 21 (catalogue); 1910: 51–52 (description of a new species); Bickhardt, 1910: 33 (catalogue); Lewis, 1914: 242 (illustration); Bickhardt, 1917: 153 –154 (morphological characters and geographical distribution); Blackwelder, 1944: 183 (catalogue); Kryzhanovskij, 1972: 19 (description of the tribe Omalodini); Mazur, 1984: 227 (catalogue); Mazur, 1989: 37 (key to genera of Omalodini); Mazur, 1997: 89 (catalogue); Kovarik & Caterino, 2005: 193 (catalogue). Type species. Ebonius politus Lewis, 1885 (by monotypy) Diagnosis. Body subcylindrical, almost parallel-sided; pronotum with antescutellar fovea, anterior and posterior angles rounded; prosternum broad, rounded at the base; carinal stria “U”-shaped; sutural region of elytra concave; protibiae with 5 or 6 teeth; first abdominal sternum with large punctuation on the posterior region, first abdominal sternum stria present anteriorly and laterally; propygidium and pygidium with deep punctuation; pygidium with a transverse elevation medially. Redescription. Length (pronotum + elytra): 6.6–7.49 mm; width: 2.2–4.5 mm. Body subcylindrical, almost parallel sided; dark; shining (Fig. 3). Head with irregular, strong and dense punctuation; frontal disc with a deep impression in the middle; occipital, supraorbital and frontal striae well marked; frontoclypeal suture present laterally (Fig. 2 A). Labrum subrectangular. The left mandible with a long tooth on the internal margin. Antennae with scape slender at the base; last antennomeres from funicle with lateral setae; antennal club with well-marked sutures and the last segment with an apical depression. Pronotum subquadrangular, 1.4 times as wide as long, with slightly raised sides; punctuation dense and regular; anterior margin with a complete marginal stria (Fig. 2 A); lateral stria complete, and laterally confluent with pronotal margin; posterior region with rounded edges and an antescutellar fovea (Fig. 3 A, C, E). Prosternum with large punctuation, an orifice on each side of the anterior margin and near the procoxal cavities; prosternal keel large and flat; “U”-shaped carinal stria; posterior margin of prosternum rounded; prosternal lobe rounded in the middle of the anterior margin and marginal stria complete (Fig. 3 B, D, F). Elytra with well-marked striae, external subhumeral stria long; sutural region concave and sutural stria long (Fig. 3 A, C, E). Mesosternum widely emarginated anteriorly; mesosternal marginal stria complete (Fig. 3 B, D, F). Metasternum finely punctuated on the disc, with lateral metasternal stria complete and ending close to the metasternal-mesepimeral suture. Anterior femur with strong and dense punctuation; anterior tibia with 5 or 6 teeth on the external margin; tarsal cavity straight. Meso and metatibiae with the apical tooth widened and adorned with four short spines, metatibiae with 3–4 teeth on the external margin. First abdominal sternum with large punctuation on the lateral region and posterior margin, with a stria present along anterior and lateral margins (Fig. 3 B, D, F). Propygidium and pygidium with irregular and deep punctuations, the latter with the anterior margin straight and a transverse elevation medially (Fig. 2 B). Female genitalia as observed in the type-species: coxites at least twice as long as wide (Fig. 4 A), and with a subapical lateral projection next the cavity for insertion of stylus (Fig. 4 A, B). Duct of spermatheca inserted on apical region of bursa copulatrix (Fig. 4 C, D). Spermatheca elongated with constraining rings (Fig. 4 D). Accessory spermatic gland elongated and bigger than spermatheca (Fig. 4 C, D). Male genitalia as observed in the type species: eighth tergite 1.3 times as long as wide, basal margin emarginated and feebly emarginated apically, without apical stria (Fig. 5 B); eighth ventrite composed of two sclerites, transversely cut and not pilose apically (Fig. 5 A); ninth tergite elongated and pointed apically (Fig. 5 D); ninth ventrite not "Y"-shaped, sclerotized and bilobed apically (Fig. 5 C); tenth tergite bilobed apically, not setose (Fig. 5 D); aedeagus straight, feebly curved at the apex, 9.9 times as long as wide at base of parameres, which are fused basally and dorsally separate on their apical fourth, becoming translucid and expanded (Fig. 5 E, F); basal piece 0.36 times as long as the parameres (Fig. 5 E); gonopore of internal tube with its border finely serrated. Remarks. Ebonius differs from other Neotropical genera of Omalodini in the following combination of characters: body cylindrical almost parallel-sided; antennae with subtriangular club (oval in Scapomegas and Sphyracus); prosternum large, rounded at base (emarginated in Scapomegas and truncated in Sphyracus) and with carinal stria “U”-shaped (never “U”-shaped in other Omalodini); anterior margin of mesosternum widely emarginated (when compared to Omalodes); post-mesocoxal stria absent (present in Sphyracus and in some species of Scapomegas); sutural region of the elytra concave (flattened or weakly depressed in Scapomegas, Omalodes and Sphyracus); stria of the first abdominal sternum present anteriorly and laterally (absent on the anterior margin in other Omalodini); propygidium without tubercules (present in Cornillus of Omalodes) and pygidium with a transverse elevation in the middle, both structures with large and deep punctuation (mostly with smaller and shallow punctuation in Omalodes, Scapomegas and Sphyracus); male genitalia very similar to that illustrated by Leivas (2009: figs. 136–138, 143) for Omalodes (Diplogrammicus). Distribution. The species of Ebonius are limited to northern South America, being found in the following localities: French Guiana (Bélizon, Kourou, Montagne des Chevaux, Réserve des Nouragues, Itoupé – Mont tabulaire), Brazil (Pará and Amazonas) and Ecuador (Canelos, Pastaza and Napo).Published as part of Degallier, Nicolas, Leivas, Fernando W. T. & Moura, Daniel P., 2011, Histerid beetles of French Guiana. V. Revision of the genus Ebonius Lewis (Coleoptera, Histeridae, Omalodini), pp. 44-52 in Zootaxa 2824 on pages 46-47, DOI: 10.5281/zenodo.20173

Omalodes (Omalodes) atacamanus Leivas & Degallier, sp. nov.

<i>Omalodes</i> (<i>Omalodes</i>) <i>atacamanus</i> Leivas & Degallier sp. nov. <p> <b>Type locality.</b> Chile, Província de Antofagasta, Taltal (Paposo).</p> <p> <b>Type material. Holotype:</b> (♂) [“ CHILE II REGION/Tal-Tal Paposo/ 24 Octubre 1997 /Leg. V.M. Diéguez M.” “ COLLECION /V.M. Diéguez M.” “ <i>Omalodes</i> /(<i>Diplogrammicus</i>)/ <i>intermedius</i> (Lewis, 1907) / Det. G. Arriagada 2001”] (MNHNC). <b>Paratypes (15)</b> (1 ♂) [“ CHILE III Región/Bahia Esmeralda/ 23.X.1999 /leg. Guildo Castillo” “ <i>Omalodes</i> /(<i>Diplogrammicus</i>)/ <i>intermedius</i> (Lewis) / Det. G. Arriagada 2008”] (DZUP); same data and labels (1 ♀ MNHNC); (1 ♀ CHND); (1 ♀ VMDC); (1 ♂) [“ CHILE II REGION/Taltal/ 22.10.85 /leg. G. Arriagada” “ COLLECION /V.M. Diéguez M.” “ <i>Omalodes</i> / <i>intermedius</i> /G. ARRIAGADA DET. 1997”] (MNHNC); (1 ♀) [“ CHILE II REGION/Taltal/ 22.10.85 /leg. G. Arriagada” “ COLLECION /V.M. Diéguez M.” “ <i>Omalodes</i> / (<i>Diplogrammicus</i>)/ <i>intermedius</i> (Lewis, 1907) / Det. G. Arriagada 2001”] (MNHNC); (2 ♂) [“ CHILE II REGION/ Paposo/ 05.10.92 /leg. G. Castillo” “ COLLECION /V.M. Diéguez M.” “ <i>Omalodes</i> /(<i>Diplogrammicus</i>)/ <i>intermedius</i> (Lewis, 1907) / Det. G. Arriagada 2001”] (DZUP); (2 ♀) [“ CHILE II REGION/Tal-Tal Paposo/ 24.Octubre 1997 / Leg. V.M. Diéguez M.” “ COLLECION /V.M. Diéguez M.” “ <i>Omalodes</i> /(<i>Diplogrammicus</i>)/ <i>intermedius</i> (Lewis, 1907) / Det. G. Arriagada 2001”] (DZUP); (1 ♀) [“ CHILE II REGION/Tal-Tal Paposo/ 24.Octubre 1997 /Leg. V.M. Diéguez M.” “ COLLECION /V.M. Diéguez M.” “ <i>Omalodes</i> /(<i>Diplogrammicus</i>)/ <i>intermedius</i> (Lewis, 1907) / Det. G. Arriagada 2001”] (VMDC); (1 ♀) [“Taltal/S. la Quinta/ 5.10.1985 /Coll. M. Elgueta” “Bajo cactus/ Copiapoa cinerea ” “ COLLECIÓN MNHN / Chile - SANTIAGO” “ <i>Omalodes</i> /(<i>Diplogrammicus</i>)/ <i>intermedius</i> /(Lewis, 1907)/ Det. G. Arriagada 2001”] (MNHNC); (1 ♀) [“ Chile Atacama/Paposo/La Rinconada/ 10.10.1983 /leg. M. Elgueta” “ COLLECIÓN MNHN / Chile - SANTIAGO” “ <i>Omalodes</i> /(<i>Diplogrammicus</i>)/ <i>intermedius</i> /(Lewis, 1907)/ Det. G. Arriagada 2001”] (CEMT); (2 ♂) [“ Chile Anfogasta/Tatal/ 19.09.1957 /leg. G. Kuschel” “ COLLECIÓN MNHN / Chile - SANTIAGO” “ <i>Omalodes</i> /(<i>Diplogrammicus</i>)/ <i>intermedius</i> /(Lewis, 1907)/ Det. G. Arriagada 2001”] (MNHNC).</p> <p> <b>Diagnosis</b>. Frons flat (Fig. 2 D); marginal stria of prosternal lobe absent (Fig. 2 E, F); posterior margin of the elytra with longitudinal strioles (Fig. 3 E); lateral metaventral stria oblique; all tibiae with a row of setae on outer submarginal region (Fig. 3 B–D); profemora with sparse setae on the posterior surface (Fig. 2 E–F); propygidium and pygidium with punctuation similar to the dorsum (Fig. 3 E); 9th tergite without lateral projections (Fig. 4 M).</p> <p> <b>Description</b>. Length (pronotum+elytra) 5.3–6.6 mm, elytral width (humeral region): 3.7–4.7 mm. Color dark or dark-brown. Body shape subrectangular, glabrous, covered by ground punctuation (Figs. 2 A–B). Frons and clypeus flat; frontal stria inwardly curved and usually complete; supraorbital stria usually absent or rudimentary; frontoclypeal suture weakly marked only laterally (Fig. 2 D); postoccipital stria complete not setose; fovea of postgena present. Antennal scape basally slender (Fig. 2 D) and with subrectangular elevation at the apical region (Fig. 2 D, see also Fig. 6 F); fifth and sixth segments of the funicle not expanded laterally; antennal club with pseudo-sutures slightly inwardly arcuate and with a distinct apical sensorial area. Palpifer maxillary with robust setae on the external margin and without setae on the internal margin; lacinial hook absent. Submentum subpentagonal and with long setae on the surface; anterior margin of the mentum medially emarginate. Prothorax <b>FIGURE 4.</b> <i>Omalodes</i> (<i>Omalodes</i>) <i>atacamanus</i> <b>sp.nov.</b>, female terminalia (A–F) and male terminalia (G-N). A. Bursa copulatrix, common oviduct, spermatheca and spermathecal gland; B. Basal region of bursa copulatrix, spermatheca and spermathecal gland; C, Coxites in ventral view; D. Close of apex of the coxites in ventral view; E, Coxites in dorsal view; F, Coxites in lateral view; G. Aedeagus in dorsal view; H. Aedeagus in lateral view; I. Aedeagus in ventral view; J. 8th tergite; K. 8th sternite; L, Close of the apex of 8th sternite, setae on the apex; M. 9th and 10th tergites; N. 9th sternite. Scale: A, C, E–K, M, N (0.5 mm) and B, D, L (0.25 mm).</p> <p>with deep cavity to insert the antennal club; prosternal lobe not longer than 1/3 of the total length of the prosternum, anterior margin rounded or feebly truncated, marginal prosternal stria absent, lateral extension of the prosternal lobe without projections; lateral marginal prosternal stria weak and marked only next to procoxae; prosternal keel with transverse elevation medially (Figs. 2 E–F), anterior half with two parallel carinal prosternal striae, posterior margin acuminate (Fig. 2 E), posterior gland openings located below the lateral marginal striae (Fig. 2 E). Pronotum with lateral posterior extremity not rounded, posterior margin with obtuse angle (Fig. 3 A); marginal pronotal stria usually complete; lateral pronotal stria complete. Elytra with posterior and sutural regions not depressed; posteriorly emarginate (Figs. 2 A, C) and with longitudinal strioles; 1st dorsal elytral stria complete, 2nd dorsal elytral stria variable on its length, 3rd dorsal stria short, not exceeding the anterior half of elytra, 4th and 5th dorsal striae variable on its length, sutural elytral stria absent (Fig. 2 A), inner subhumeral stria absent, outer subhumeral stria variable on its length, epipleural region with one stria not reaching the posterior margin. Mesoventrite, anterior margin strongly emarginate medially, laterally with shallow excavations for receiving the anterior trochanters; marginal mesoventral stria interrupted medially; discal mesoventral stria absent (Fig. 2 F). Metaventrite with lateral stria oblique, postmesocoxal stria absent (Fig. 2 B). Profemora with setae on the posterior surface (Figs. 2 E–F); all tibiae with a row of setae on outer margin and submarginal region (Figs. 3 B–D). Protibiae truncated with a weak emargination at apex; inner row of setae ending in an apical cluster (Fig. 3 B); tarsal cavity slightly sinuous; internal region of tarsal cavity with a differentiated sulcus with setae. Stria of 1st visible abdominal sternite marked only laterally and sometimes rudimentary. Propygidium and pygidium with punctuation similar to the dorsum, the first one with punctuation slightly thicker on the sides (Fig. 3 E). Pygidium longer than half propygidium length and with regular punctuation (Fig. 3 E).</p> <p>Male terminalia. 10th tergite cordiform and composed of two regions more sclerotized but sometimes with separation not clear; 9th tergite without lateral projections (Fig. 4 M); 9th sternite “U”-shaped (Fig. 4 N); 8th sternite composed of two sclerites, with setae on the lateral-posterior region (Figs. 4 K–L); 8th tergite with basal membrane attachment line, basal margin emarginate (Fig. 4 J). Aedeagus, basal piece about 1/3 parameres length, with a dorso-lateral projection, anterior margin in dorsal view strongly emarginate on the middle (Figs. 4 G, H). Parameres with posterior margin medially emarginate; in lateral view subcylindrical on anterior region (Fig. 3 H), posterior region slightly narrowed; ventrally fused on anterior region by a weakly sclerotized region, posterior region with setae, with the extremity rounded and oblique sides.</p> <p>Female terminalia. Spermatheca with constraining rings, longer than wide and inserted on the anterior extremity of bursa copulatrix (Figs. 4 A–B). Spermathecal gland connected at the base of spermatheca and bigger than it, duct of spermathecal gland with constraining rings (Figs. 4 A–B). Common oviduct inserted on the posterior region of the bursa (Fig. 4 A). Coxites without a subapical lateral projection next to the cavity for insertion of stylus; in lateral view with internal and external margins carinate (Figs. 4 C–E).</p> <p> <b>Remarks</b>. The frontal stria can be anteriorly discontinuous; supraorbital usually developed, but incomplete; frontoclypeal suture very discrete (imperceptible in some specimens). In the male, the suture between the prosternal keel and the lobe can have two glands opening at the middle (Figs. 2 E–F), but it is not consistent in the species; the carinal stria of the prosternal keel may vary in length. Pronotal marginal stria may be slightly interrupted in the middle of the anterior margin of pronotum. Between the first and third dorsal striae there may be several short and random striae; second elytral dorsal stria can be complete or absent on the posterior half or posterior third; fourth and fifth dorsal striae can be short or absent; outer subhumeral stria is usually discontinuous next to apical extremity of humeral stria. The sulcus on internal region of tarsal cavity can be formed by strong and close punctures.</p> <p> <b>Geographic distribution.</b> The new species is known only from the Antofagasta Province (Taltal, Paposo and Bahia Esmeralda) along the arid coastal region of Chile, in the Atacama biogeographic province (described by O’Brien 1971) which belongs to the South American Transition Zone (Morrone 2006; 2014). This zone is characterized by the overlapping areas of Neotropical and Andean biotic components. The Atacama biogeographic province has an entomological fauna related with that from Coquimbo (belonging to Central Chilean Subregion of Andean Region) (Morrone 2006). Several taxa of Magnoliophyta (plants), Arthropoda (including Coleoptera) and Vertebrata are reported as endemic to the Atacama province (Morrone 2014).</p> <p> <b>Biology.</b> The adults and larvae of <i>Omalodes atacamanus</i> <b>sp. nov.</b> were found within <i>Copiapoa cinerea</i> (Philippi) Britton & Rose (Plantae: Cactaceae) feeding on the larvae of Drosophilidae and Syrphidae (<i>Volucella</i> sp.) (Arriagada 1985; 1986, cited it as <i>Omalodes</i> (<i>Diplogrammicus</i>) <i>intermedius</i> Lewis). All specimens were collected in September and October in the BWk region (cold desert) where the mean annual temperature is <18°C (Peel 2007). Living in cold desert environments in South America appears to be a unique feature of <i>Omalodes atacamanus</i> <b>sp. nov.</b> among the Omalodini, since other species of <i>Omalodes</i> and <i>Ebonius</i> occupy tropical and subtropical areas, with only a few species of <i>Omalodes</i> found in xeric areas in New Mexico and Arizona (USA) (Kovarik & Caterino 2001). The presence of setae on the outer submarginal region of anterior, middle and hind tibiae, as well as on the surface of the femur represent possible adaptations to sandy environments in order to increase the surface of contact of the beetle's body with the sand, and thus assist in the vertical movement in sandy soil.</p> <p> <b>Etymology</b>. The species’ name refers to the desert region of Atacama, where this species has been found.</p>Published as part of <i>Leivas, Fernando W. T., Degallier, Nicolas & Almeida, Lúcia M., 2015, New species of Omalodes and redefinition of the tribe Omalodini (Coleoptera: Histeridae: Histerinae), pp. 109-119 in Zootaxa 3925 (1)</i> on pages 111-116, DOI: 10.11646/zootaxa.3925.1.7, <a href="http://zenodo.org/record/236793">http://zenodo.org/record/236793</a&gt

Ebonius Lewis

Key to the species of genus Ebonius Lewis 1. Elytra with all the dorsal striae complete, strongly marked on their length (Fig. 3 E)............ E. aequatorius Lewis, 1910 - Elytra with at least the fifth dorsal stria incomplete, sometimes represented by a row of points (Fig. 3 A, C).............. 2 2. Pronotum with a small smooth area on posterior region, not exceeding the middle; fourth dorsal stria of elytra complete (Fig. 3 C); carinal stria of prosternum separated in middle by less than half the distance between procoxae (Fig. 3 D)............................................................................................ E. lineiger (Marseul, 1870) - Pronotum with an ample smooth area on posterior region, exceeding the middle; fourth dorsal stria of elytra much reduced or represented by a row of points (Fig. 3 A); carinal stria of prosternum separated in middle by more than half the distance between procoxae (Fig. 3 B)............................................................ E. politus Lewis, 1885Published as part of Degallier, Nicolas, Leivas, Fernando W. T. & Moura, Daniel P., 2011, Histerid beetles of French Guiana. V. Revision of the genus Ebonius Lewis (Coleoptera, Histeridae, Omalodini), pp. 44-52 in Zootaxa 2824 on page 47, DOI: 10.5281/zenodo.20173

Ebonius lineiger Marseul 1870

<i>Ebonius lineiger</i> (Marseul, 1870) <p>(Figs. 3 C–D)</p> <p> <i>Omalodes lineiger</i> Marseul, 1870:82 (description).</p> <p> <i>Homalodes lineiger</i>: Schmidt, 1884: 150 (catalogue).</p> <p> <i>Ebonius lineiger</i>: Lewis, 1905: 21 (catalogue); Mazur, 1997: 89 (catalogue).</p> <p> <b>Diagnosis.</b> Body oval and subparallel; pronotum with a small smooth area in the middle of the posterior region; 1st– 4th dorsal striae and sutural stria complete, 5th dorsal stria indicated posteriorly; mesosternum finely punctuated.</p> <p> <b>Redescription.</b> Length (pronotum+elytra): 6.7 mm; width: 4.5 mm. Pronotum with a small smooth area in the middle of the posterior region (Fig. 3 C). Elytra with external subhumeral stria sinuous or interrupted near the middle and reaching the posterior margin; internal subhumeral stria apparent on the posterior third; 1st–4th dorsal striae complete, 5th indicated by a row of points at the posterior third, sutural stria complete (Fig. 3 C). Pro-, meso-, metasternum and 1st abdominal sternum respectively 0.37, 0.04, 0.33 and 0.23 times as long as total length of these sterna (6.3 mm). Prosternum with carinal stria separated in middle by less than half the distance between procoxae (Fig. 3 D); metasternum finely punctuated on the disc. Protibiae with irregular spaces between the teeth; mesotibiae with 4 teeth with spines on external margin. Propygidium 1.7 times as wide as long, with a reduced smooth surface on the disc; pygidium 1.2 times as wide as long.</p> <p> <b>Type material.</b> The only known specimen is that illustrated by the figures 3C and 3D (labels). It is herein designed as the LECTOTYPE of the species (MNHN). “ Omalodes lineiger; Amazones; Bates 61 / MUSEUM PARIS; COLL. DE MARSEUL; 2842-90 / TYPE ”.</p>Published as part of <i>Degallier, Nicolas, Leivas, Fernando W. T. & Moura, Daniel P., 2011, Histerid beetles of French Guiana. V. Revision of the genus Ebonius Lewis (Coleoptera, Histeridae, Omalodini), pp. 44-52 in Zootaxa 2824</i> on page 48, DOI: <a href="http://zenodo.org/record/201733">10.5281/zenodo.201733</a&gt

Omalodini

Classification of Omalodini <p> Omalodini Kryzhanovskij, 1972 <b>sensu nov.</b></p> <p> <i>Ebonius</i> Lewis, 1885</p> <p> <i>Omalodes</i> Dejean, 1833</p> <p> <i>Omalodes</i> (<i>Omalodes</i>) Dejean, 1833 <i>Omalodes</i> (<i>Cornillus</i>) Lewis, 1907 <i>Omalodes</i> (<i>Diplogrammicus</i>) Lewis, 1907</p> <p> Histerinae Gyllenhal, 1808, <i>incertae sedis</i>: <i>Asolenus</i> Lewis, 1906; <i>Atribalus</i> Bickhardt, 1921; <i>Blypotehus</i> Vienna, 2000; <i>Lewisister</i> Bickhardt, 1824; <i>Notolister</i> Lewis, 1894; <i>Perfidolenus</i> Vienna, 2000; <i>Rhypochares</i> Marseul, 1854; <i>Sphyracus</i> Marseul, 1853; <i>Scapomegas</i> Lacordaire, 1854; <i>Theropatina</i> Mazur, 1984.</p> <p> Omalodini Kryzhanovskij, 1972: 19; Degallier, 1979: 183; Marzo & Vienna, 1982: 79, 82, 84; Mazur, 1984: 222; Arriagada, 1986: 72, 77; Mazur, 1989: 37; 1990: 751; 1997: 85; Mazur & Ôhara, 2000: 327; Vienna, 2000: 62; Mazur, 2001: 22, 27, 38; Kovarik & Caterino, 2001: 216, 225; Caterino & Vogler, 2002: 397; Vienna, 2002: 222; Kovarik & Caterino, 2005: 193, 213; Leivas, 2009: 2 –3, 7–8, 10, 13, 29, 32, 36, 38, 39, 42–44; Mazur, 2009a: 226 –227, 230; Mazur, 2009b: 17; Mazur & Ôhara, 2009: 236 –237, Degallier <i>et al</i>., 2010: 66; Moura, 2010: 1 –2; Bouchard <i>et al</i>. 2011: 28, 161, 944; Degallier <i>et al.</i>, 2011: 44 –47; Mazur, 2011: 72; Leivas <i>et al.</i>, 2012: 33, 40; Leivas <i>et al</i>., 2013: 200 –201; Moura & Almeida 2013: 85 –86.</p> <p> Omalodini Reichardt, 1941: 37 (<i>nom</i>. <i>nud</i>.)</p> <p> <b>Type genus.</b> <i>Omalodes</i> Dejean, 1833 (original designation).</p> <p> <b>Diagnosis</b>. Length (pronotum+elytra) 4.0– 9.3 mm, elytral width (humeral region): 2.2–7.8 mm. Cuticular color dark or dark-brown; body shape oval, parallel or subparallel-sided; marginal stria of prosternal lobe when present extending laterally beside the lobe; prosternum with posterior glands opening located below the lateral marginal striae; postmesocoxal stria absent; inner row of setae of protibiae ending in an apical cluster; aedeagus, basal piece with lateral-dorsal projection localized latero-dorsally; parameres shape at some point cylindrical.</p> <p> <b>Geographic distribution.</b> Omalodini are distributed in all Neotropical region, with a few species extending into the southern Nearctic region.</p>Published as part of <i>Leivas, Fernando W. T., Degallier, Nicolas & Almeida, Lúcia M., 2015, New species of Omalodes and redefinition of the tribe Omalodini (Coleoptera: Histeridae: Histerinae), pp. 109-119 in Zootaxa 3925 (1)</i> on pages 116-117, DOI: 10.11646/zootaxa.3925.1.7, <a href="http://zenodo.org/record/236793">http://zenodo.org/record/236793</a&gt