233 research outputs found

    DNA barcodes reveal a new host record for Carcelia atricosta Herting (Diptera Tachinidae) in Italy

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    The parasitoid-host association between Orgyia antiqua (Linnaeus) (Lepidoptera: Lymantriidae) and Carcelia atricosta Herting (Diptera: Tachinidae) is recorded here for the first time in Italy. A single caterpillar of O. antiqua was collected in Northern Italy (Arzergrande, Padua, Veneto Region) in June 2015. After the specimen died, a single tachinid larva emerged and pupariated. The emerged parasitoid was identified using DNA barcoding, with DNA extracted from the tachinid pupa. This is the first distributional record of C. atricosta in Northern Italy and the second for Italy, only two other specimens having being recorded previously (Abruzzo Region, Central Italy)

    A new ventrops (Diptera: Rhinophoridae) from Ethiopia

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    A new species of the Afrotropical endemic rhinophorid genus Ventrops is described, illustrated and compared with congeners

    BumbleKey: an interactive key for the identification of bumblebees of Italy and Corsica (Hymenoptera, Apidae)

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    BumbleKey is a matrix-based, interactive key to all 45 species of bumblebees of Italy and Corsica. The key allows to identify adult males and females (queens and workers) using morphological characters. The key is published online, open-access, at http://www.interactive-keys.eu/bumblekey/default.aspx

    Vertical stratification of selected Hymenoptera in a remnant forest of the Po Plain (Italy, Lombardy) (Hymenoptera: Ampulicidae, Crabronidae, Sphecidae)

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    Communities of the canopy of temperate forests are still relatively unexplored. Furthermore, very little is known on how vertical stratification for some insect groups is related to biological strategies. In this study, we investigated the community composition of both canopy and understory of the families Ampulicidae, Crabronidae and Sphecidae (Hymenoptera) of the Natural Reserve of "Bosco della Fontana", a remnant lowland forest in northeastern Italy. Observed patterns in vertical stratification have been related to species foraging habits. Our study reveals that the bulk of the community of Spheciformes of the understory consists of species predating dipterans and spiders, while species associated with the canopy are mainly predators of sap-sucking honeydew producers and epiphyte grazers, like aphids, thrips, and barkflies. Comparing the communities of canopy and understory may lead to a better understanding of species ecology and provides useful information to forest managers

    A new host record for Euthera fascipennis (Diptera: Tachinidae)

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    Dolycoris baccarum (Linnaeus) (Heteroptera: Pentatomidae) is reported for the first time as a host of Euthera fascipennis (Loew) (Diptera: Tachinidae). A single specimen of E. fascipennis was reared from an adult of D. baccarum collected in northern Italy (Crevalcore, Bologna, Emilia Romagna Region). This is the first host record for E. fascipennis in Italy and the first distributional record of this tachinid in northern Italy

    Trichopoda pennipes (Fabricius, 1781) - a new tachinid fly (Diptera) for Malta

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    Tachinidae is a diverse, cosmopolitan family of true flies currently with approximately 8,600 described species (O’Hara, 2013). Of these, about 900 have been found in Europe (Pape et al., 2015) and 61 species have been recorded for the Maltese archipelago (Ebejer, 2011). Tachinid larvae develop as endoparasitoids of other insects, although occasional records on other arthropods are also known (Stireman et al., 2006; Cerretti et al., 2014). Four subfamilies are traditionally recognised, namely: Dexiinae, Exoristinae, Phasiinae and Tachininae. With the exception of a few species belonging to one tribe (Strongygastrini), the Phasiinae are composed of species which attack true bugs (Heteroptera). The North American native Trichopoda pennipes is a parasitoid of Pentatomidae (Stink bugs) and Coreidae (Leaf-footed bugs) such as the green stink bug (Chinavia hilaris), the squash bug (Anasa tristis), the cactus coreid (Chelinidea vittiger) and Leptoglossus spp. (Arnaud, 1978). It is also known to parasitise the southern green stink bug (Nezara viridula) a species also known from the Maltese archipelago. The present note is to provide some information on Trichopoda pennipes which is here recorded for the first time from the Maltese Islands based on photographs taken by one of us (AD).peer-reviewe

    First North American record of the Palaearctic rhinophorid Stevenia deceptoria (Loew) (Diptera: Rhinophoridae)

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    The Rhinophoridae (Diptera) have a cosmopolitan distribution and a known fauna of about 150 species (Cerretti & Pape 2007). So far as known, all species are parasitoids of terrestrial woodlice (sow bugs) of the order Isopoda (Oniscoidea) (Pape 2010). Female rhinophorids lay eggs in the vicinity of potential hosts and the planidial first instars parasitize sow bugs as they pass by (Pape 1998). The only rhinophorids native to North America belong to the genera Apomorphyto Cerretti, Lo Giudice & Pape (with one described species from Costa Rica and an undetermined species from Nicaragua) and Bezzimyia Townsend (Pape 2010; Cerretti et al. 2014). Bezzimyia is a mostly Neotropical genus of 17 known species with two species reaching the southern United States (Texas and Arizona) (Pape & Arnaud 2001). Recently, the monophyly of Bezzimyia was called into question but the limits of the genus have yet to be formally revised (Cerretti et al. 2014). Two rhinophorids are well known as introductions from the Palaearctic Region, Melanophora roralis (Linnaeus) and Phyto discrepans Pandellé, with the former widespread in eastern North America, West Indies and South America (Crosskey 1977; Pape 2010) and the latter known only from Newfoundland (Canada) (Wood 1987). A key to separate the two species was given by Wood (1987). The genus Stevenia Robineau-Desvoidy is currently known from 23 species, all native to the Old World and most diverse in the West Palaearctic Region (Cerretti & Pape 2007). One species native to Europe and North Africa, Stevenia deceptoria (Loew), was reported recently as an introduction to Argentina by Mulieri et al. (2010). The authors recorded the species from several locations within Buenos Aires Province and hypothesized that it became established through the introduction of parasitized woodlice originating from the Palaearctic Region. Introduced woodlice are common in the New World (Jass & Klausmeier 2000) and parasitized immigrants or transported puparia most likely account for the presence of all three exotic rhinophorid species in North America. Mulieri et al. (2010) summarized the Palaearctic distribution of S. deceptoria, gave locality records of the species in Argentina, and provided a key to the five genera of Rhinophoridae known from the New World. Here we report another finding of Stevenia deceptoria in the Americas, this time from Ohio in North America. All records are from a single locality, the backyard of author GAD. Specimens were caught in a six metre Malaise trap (BioQuip® Products, Inc.) and killed in the trap head using a small piece of Hot Shot® No-Pest® Strip [active ingredient 2,2-dichlorovinyl dimethyl phosphate 18.6%]. Trap samples were frozen and later sorted, with selected Diptera subsequently pinned and labeled. The first two specimens of S. deceptoria to be detected were removed, pinned, and labeled by JEOH and identified as S. deceptoria by PC (Cerretti & Pape 2007) (one of these specimens is shown in Fig. 1). Additional specimens were later found in earlier and later samples by GAD. Specimens are housed in the Canadian National Collection of Insects, Ottawa, Canada (CNC) and the personal collection of Gregory Dahlem, Cincinnati, USA (GAD)

    Annotated catalogue of the Tachinidae (Insecta, Diptera) of the Afrotropical Region, with the description of seven new genera

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    The Tachinidae of the Afrotropical Region are catalogued and seven genera and eight species are newly described. There are 237 genera and 1126 species recognized, of which 101 genera and 1043 species are endemic to the region. The catalogue is based on examination of the primary literature comprising about 525 references as well as numerous name-bearing types and other specimens housed in collections. Taxa are arranged hierarchically and alphabetically under the categories of subfamily, tribe, genus, subgenus (where recognized), species, and rarely subspecies. Nomenclatural information is provided for all genusgroup and species-group names, including lists of synonyms (mostly restricted to Afrotropical taxa) and name-bearing type data. Species distributions are recorded by country within the Afrotropical Region and by larger geographical divisions outside the region. Additional information is given in the form of notes, numbering about 300 in the catalogue section. Seven genera and eight species are described as new: Afrophylax Cerretti & O’Hara with type species Sturmia aureiventris Villeneuve, 1910, gen. n. (Exoristinae, Eryciini); Austrosolieria Cerretti & O’Hara with type species Austrosolieria londti Cerretti & O’Hara, gen. n. and sp. n. (South Africa) and Austrosolieria freidbergi Cerretti & O’Hara, sp. n. (Malawi) (Tachininae, Leskiini); Carceliathrix Cerretti & O’Hara with type species Phorocera crassipalpis Villeneuve, 1938, gen. n. (Exoristinae, Eryciini); Filistea Cerretti & O’Hara with type species Viviania aureofasciata Curran, 1927, gen. n. and Filistea verbekei Cerretti & O’Hara, sp. n. (Cameroon, D.R. Congo, Uganda) (Exoristinae, Blondeliini); Mesnilotrix Cerretti & O’Hara with type species Dexiotrix empiformis Mesnil, 1976, gen. n. (Dexiinae, Dexiini); Myxophryxe Cerretti & O’Hara with type species Phorocera longirostris Villeneuve, 1938, gen. n., Myxophryxe murina Cerretti & O’Hara, sp. n. (South Africa), Myxophryxe regalis Cerretti & O’Hara, sp. n. (South Africa), and Myxophryxe satanas Cerretti & O’Hara, sp. n. (South Africa) (Exoristinae, Goniini); and Stiremania Cerretti & O’Hara with type species Stiremania karoo Cerretti & O’Hara, gen. n. and sp. n. (South Africa), and Stiremania robusta Cerretti & O’Hara, sp. n. (South Africa) (Exoristinae, Goniini). Paraclara Bezzi, 1908 is transferred from the Cylindromyiini to the Hermyini, comb. n. Sarrorhina Villeneuve, 1936 is transferred from the Minthoini to the Graphogastrini, comb. n. Three genera are newly recorded from the Afrotropical Region: Madremyia Townsend, 1916 (Eryciini); Paratrixa Brauer & Bergenstamm, 1891 (Blondeliini); and Simoma Aldrich, 1926 (Goniini). Three genera previously recorded from the Afrotropical Region are no longer recognized from the region: Calozenillia Townsend, 1927 (Palaearctic, Oriental and Australasian regions); Eurysthaea Robineau-Desvoidy, 1863 (Palaearctic, Oriental and Australasian regions); and Trixa Meigen, 1824 (Palaearctic and Oriental regions). Two species are newly recorded from the Afrotropical Region: Amnonia carmelitana Kugler, 1971 (Ethiopia, Kenya); and Simoma grahami Aldrich, 1926 (Namibia). Three species previously recorded from the Afrotropical Region are no longer recognized from the region: Euthera peringueyi Bezzi, 1925 (Oriental Region); Hamaxia incongrua Walker, 1860 (Palaearctic, Oriental and Australasian regions); Leucostoma tetraptera (Meigen, 1824) (Palaearctic Region). New replacement names are proposed for five preoccupied names of Afrotropical species: Billaea rubida O’Hara & Cerretti for Phorostoma rutilans Villeneuve, 1916, preoccupied in the genus Billaea Robineau-Desvoidy, 1830 by Musca rutilans Fabricius, 1781, nom. n.; Cylindromyia braueri O’Hara & Cerretti for Ocyptera nigra Villeneuve, 1918, preoccupied in the genus Cylindromyia Meigen, 1803 by Glossidionophora nigra Bigot, 1885, nom. n.; Cylindromyia rufohumera O’Hara & Cerretti for Ocyptera scapularis Villeneuve, 1944, preoccupied in the genus Cylindromyia Meigen, 1803 by Ocyptera scapularis Loew, 1845, nom. n.; Phytomyptera longiarista O’Hara & Cerretti for Phytomyzoneura aristalis Villeneuve, 1936, preoccupied in the genus Phytomyptera Rondani, 1845 by Phasiostoma aristalis Townsend, 1915, nom. n.; and Siphona (Siphona) pretoriana O’Hara & Cerretti for Siphona laticornis Curran, 1941, preoccupied in the genus Siphona Meigen, 1803 by Actia laticornis Malloch, 1930, nom. n. New type species fixations are made under the provisions of Article 70.3.2 of the ICZN Code for two genus-group names: Lydellina Villeneuve, 1916, type species newly fixed as Lydellina villeneuvei Townsend, 1933 (valid genus name); and Sericophoromyia Austen, 1909, type species newly fixed as Tachina quadrata Wiedemann, 1830 (synonym of Winthemia Robineau-Desvoidy, 1830). Lectotypes are designated for the following nine nominal species based on examination of one or more syntypes of each: Degeeria crocea Villeneuve, 1950; Degeeria semirufa Villeneuve, 1950; Erycia brunnescens Villeneuve, 1934; Exorista oculata Villeneuve, 1910; Kiniatilla tricincta Villeneuve, 1938; Myxarchiclops caffer Villeneuve, 1916; Ocyptera linearis Villeneuve, 1936; Peristasisea luteola Villeneuve, 1934; and Phorocera crassipalpis Villeneuve, 1938. The following four genus-group names that were previously treated as junior synonyms or subgenera are recognized as valid generic names: Bogosiella Villeneuve, 1923, status revived; Dyshypostena Villeneuve, 1939, status revived; Perlucidina Mesnil, 1952, status revived; and Thelymyiops Mesnil, 1950, status n. The following six species-group names that were previously treated as junior synonyms are recognized as valid species names: Besseria fossulata Bezzi, 1908, status revived; Degeeria cinctella Villeneuve, 1950, status revived (as Medina cinctella (Villeneuve)); Nemoraea miranda intacta Villeneuve, 1916, status revived (as Nemoraea intacta Villeneuve); Succingulum exiguum Villeneuve, 1935, status revived (as Trigonospila exigua (Villeneuve)); Wagneria rufitibia abbreviata Mesnil, 1950, status n. (as Periscepsia abbreviata (Mesnil)); and Wagneria rufitibia nudinerva Mesnil, 1950, status n. (as Periscepsia nudinerva (Mesnil)). The following 25 new or revived combinations are proposed: Afrophylax aureiventris (Villeneuve, 1910), comb. n.; Blepharella orbitalis (Curran, 1927), comb. n.; Bogosiella pomeroyi Villeneuve, 1923, comb. revived; Brachychaetoides violacea (Curran, 1927), comb. n.; Carceliathrix crassipalpis (Villeneuve, 1938), comb. n.; Charitella whitmorei (Cerretti, 2012), comb. n.; Dyshypostena edwardsi (van Emden, 1960), comb. n.; Dyshypostena tarsalis Villeneuve, 1939, comb. revived; Estheria buccata (van Emden, 1947), comb. n.; Estheria surda (Curran, 1933), comb. n.; Filistea aureofasciata (Curran, 1927), comb. n.; Madremyia setinervis (Mesnil, 1968), comb. n.; Mesnilotrix empiformis (Mesnil, 1976), comb. n.; Myxophryxe longirostris (Villeneuve, 1938), comb. n.; Nealsomyia chloronitens (Mesnil, 1977), comb. n.; Nealsomyia clausa (Curran, 1940), comb. n.; Nilea longicauda (Mesnil, 1970), comb. n.; Paratrixa aethiopica Mesnil, 1952, comb. revived; Paratrixa stammeri Mesnil, 1952, comb. revived; Perlucidina africana (Jaennicke, 1867), comb. n.; Perlucidina perlucida (Karsch, 1886), comb. revived; Prolophosia retroflexa (Villeneuve, 1944), comb. n.; Sturmia profana (Karsch, 1888), comb. n.; additionally, Ceromasia rufiventris Curran, 1927 is treated as an unplaced species of Goniini, comb. n. and Hemiwinthemia stuckenbergi Verbeke, 1973 is treated as an unplaced species of Leskiini, comb. n. New or revived generic and specific synonymies are proposed for the following nine names: Afrosturmia Curran, 1927 with Blepharella Macquart, 1851, syn. n.; Archiphania van Emden, 1945 with Catharosia Rondani, 1868, syn. revived; Besseria longicornis Zeegers, 2007 with Besseria fossulata Bezzi, 1908 (current name Besseria fossulata), syn. n.; Dexiomera Curran, 1933 with Estheria Robineau-Desvoidy, 1830, syn. n.; Hemiwinthemia francoisi Verbeke, 1973 with Nemoraea capensis Schiner, 1868 (current name Smidtia capensis), syn. n.; Kinangopana van Emden, 1960 with Dyshypostena Villeneuve, 1939, syn. n.; Metadrinomyia Shima, 1980 with Charitella Mesnil, 1957, syn. n.; Phorocera majestica Curran, 1940 with Phorocera longirostris Villeneuve, 1938 (current name Myxophryxe longirostris), syn. n.; and Podomyia discalis Curran, 1939 with Antistasea fimbriata Bischof, 1904 (current name Antistasea fimbriata), syn. n
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