13 research outputs found

    Four new Mouse Spider species (Araneae, Mygalomorphae, Actinopodidae, Missulena) from Western Australia

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    Four new species of the Mouse Spider genus Missulena Walckenaer, 1805 (family Actinopodidae) are described from Western Australia based on morphological features of adult males. Missulena leniae sp. n. (from the Carnarvon and Yalgoo biogeographic regions), Missulena mainae sp. n. (Carnarvon), Missulena melissae sp. n. (Pilbara) and Missulena pinguipes sp. n. (Mallee) represent a broad spectrum of morphological diversity found in this genus and differ from other congeners by details of the male copulatory bulb, colour patterns, eye sizes, leg morphology and leg spination. Two of the species, M. pinguipes sp. n. and M. mainae sp. n., are characterised by swollen metatarsi of the fourth legs in males, a feature not previously recorded in the family. A key to males of all named Missulena species from Australia is presented and allows their identification based on external morphology

    The 16th Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra

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    This paper documents the 16th data release (DR16) from the Sloan Digital Sky Surveys (SDSS), the fourth and penultimate from the fourth phase (SDSS-IV). This is the first release of data from the Southern Hemisphere survey of the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2); new data from APOGEE-2 North are also included. DR16 is also notable as the final data release for the main cosmological program of the Extended Baryon Oscillation Spectroscopic Survey (eBOSS), and all raw and reduced spectra from that project are released here. DR16 also includes all the data from the Time Domain Spectroscopic Survey and new data from the SPectroscopic IDentification of ERosita Survey programs, both of which were co-observed on eBOSS plates. DR16 has no new data from the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey (or the MaNGA Stellar Library "MaStar"). We also preview future SDSS-V operations (due to start in 2020), and summarize plans for the final SDSS-IV data release (DR17)

    The 16th Data Release of the Sloan Digital Sky Surveys : First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra

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    This paper documents the 16th data release (DR16) from the Sloan Digital Sky Surveys (SDSS), the fourth and penultimate from the fourth phase (SDSS-IV). This is the first release of data from the Southern Hemisphere survey of the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2); new data from APOGEE-2 North are also included. DR16 is also notable as the final data release for the main cosmological program of the Extended Baryon Oscillation Spectroscopic Survey (eBOSS), and all raw and reduced spectra from that project are released here. DR16 also includes all the data from the Time Domain Spectroscopic Survey and new data from the SPectroscopic IDentification of ERosita Survey programs, both of which were co-observed on eBOSS plates. DR16 has no new data from the Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey (or the MaNGA Stellar Library "MaStar"). We also preview future SDSS-V operations (due to start in 2020), and summarize plans for the final SDSS-IV data release (DR17).Peer reviewe

    On the identity of the type species of Actinopus tarsalis (Araneae: Actinopodidae)

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    The type species of the Neotropical Actinopus, A. tarsalis Perty, 1833, is redescribed based on material from the type locality, the state of Piauí, Brazil. The species appears to be restricted to northeastern Brazil and is newly recorded from the state of Sergipe. An old record from the state of Rio Grande do Sul is rejected. Actinopus tarsalis differs from other species of the genus by details of the male copulatory bulb: tegular apophysis absent, robust embolar base, inserted basally at a right angle (90°); embolar apices apex flattened and expanded, arrow-shaped in dorsal view

    Megaphobema teceae Pérez-Miles, Miglio & Bonaldo, 2006, sp. nov.

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    Megaphobema teceae sp. nov. Figs. 1–8. Tables 1–2 Types. Male holotype from Igarapé Mutum Valley, Platô do Rio Juruti, Juruti, Pará, Brazil (2 º 3636 ” S, 56 º 127.1 ”W), 411 Nov 2002, T. C. Ávila­Pires col. (MPEG 1113); seven males and one female paratypes, same data (MPEG 1134, 1135; FCE­MY 690; IBSP 11200); female paratype, same locality (2 º 36 ’ 45.2 ”S, 56 º 11 ’ 27.5 ”W), 09.IX. 2002, A. B. Bonaldo col. (MPEG 1092); two males and two females paratypes, same locality (2 º 36 ’ 11.2 ”S, 56 º 12 ’ 36.3 ”W), 0311. VIII. 2004, D. R. Santos­Souza, D. F. Candiani (MPE G 2024, 2025, 2026, 2027). Etymology. The specific epithet is a patronym in honor of the herpetologist Teresa Cristina Ávila­Pires, nicknamed TC (spelled Tecê, in Portuguese), who collected most of the types in pitfall traps while surveying for the herpetological inventory. Diagnosis. Differs from other species of Megaphobema in the presence of a postocular tubercle (Figs. 1–3) in males and females. Description. Male: (Holotype). Total length, excluding chelicerae and spinnerets 63.4; carapace 32.0 long, 30.3 wide. Anterior eye row procurved, posterior slightly recurved. Eyes sizes and interspaces: AME 0.60, ALE 0.65, PME 0.85, PLE 0.90, AME­ AME 0.70, AME­ALE 0.70, PME­PME 2.10, ALE­PLE 0.40, clypeus 1.2. Subconical tubercle between ocular tubercle and fovea (Fig. 1). Fovea transverse, slightly procurved, 4.7 wide. Labium 4.0 long, 4.2 wide with 75 cuspules, maxillae with 142 cuspules on each. Sternum 13.2 long, 12.1 wide; sigilla submarginal. Chelicerae with 8 teeth (5 proximal, smaller). Tarsi I­IV all densely scopulate and entire. Metatarsi I and II fully scopulate, scopula on III in distal half, and on IV in distal 1 / 3. Retrolateral face of femur IV with conspicuous scopula. Tibia I with prolateroventral, distal double apophysis (Fig 4, 5). Metatarsus I is flexed at outer side of tibial apophysis. Palpal organ with subtegulum extended, wide and stylus wide and flattened (convex­concave); also with prolateral superior and inferior keels, three prolateral accessory keels and apical keel (Figs. 6, 7). Femur III incrassate (Table 3). Spination: Femora I–V and palp I 1 R; palp 1 P. Patellae I–III and palp 0, IV 1 R. Tibiae I 1 V, II 2 V, III 4 P, 1 R, 2 V, IV 6 P, 1 R, 6 V, palp 7 R, 3 V. Metatarsi I–II and palp 0, III 5 P, 11 V, IV 6 P, 22 V. Tarsi I–IV and palp 0. Cephalothorax dark brown, abdomen and legs dark brown with longer reddish hairs. Types I and III urticating hairs present. Female (Paratype, MPEG 1092): Total length, excluding chelicerae and spinnerets 52.3. Cephalothorax 21.8 long, 21.1 wide. Anterior eye row procurved, posterior slightly recurved. Eyes sizes and interspaces: AME 0.60, ALE 0.80, PME 0.70, PLE 0.80, AME­ AME 0.60, AME ALE 0.80, PME­PME 1.95, PME­PLE 0.08, ALE­PLE 0.60, clypeus 0.50. Subconical tubercle between ocular tubercle and fovea (Fig. 1). Fovea slightly procurved, 2.3 wide. Labium 1.8 long, 1.7 wide, with 59 cuspules, maxillae with 157 cuspules each one. Sternum 9.8 long, sigilla submarginal. Chelicerae with 11 teeth (7 of them proximal smaller). Tarsi densely scopulate: entire on I–III, divided by narrow strip of conical setae on IV. Scopula on metatarsus I entire, II for distal ¾, III for distal 1 / 3 and absent on IV. Retrolateral face of femur IV with conspicuous scopula. Femur III incrassate (Table 4). Spination: Femora I–IV and palp 0. Patellae I–II and palp 0; III 1 p, 1 r; IV 1 p, 3 r. Tibiae I 1 p, 1 r; II 1 p, 1 r, 4 v; III 2 p, 2 r, 8 v; IV 5 p, 3 r, 7 v; palp 9 p, 1 r, 6 v. Metatarsi I 0; II 1 p, 1 r, 3 v; III 7 p, 2 d, 1 r, 9 v; IV 14 p, 2 r, 10 v. Tarsi I–IV and Palp 0. Spermathecae with only one receptacle (completely fused) transversely striated. Color as in male. Types I and III urticating hairs present. Distribution. Megaphobema teceae is only known from the type locality, Juruti River Plateau, Juruti, Pará, Brazil; no further data are known. Variation. Males (n= 10, including holotype): variation in eye sizes and interdistances (mean standard deviation). AME 0.59 0.09, ALE 0.63 0.06, PME 0.56 0.07, PLE 0.69 0.06, AME­AME 0.58 0.07, AME­ALE 0.60 0.28, PME­PME 1.68 0.28, PME­ PLE 0.12 0.03, ALE­PLE 0.43 0.11. Clypeus: 1.80 0.55. Fovea straight to slightly procurved, 5.85 1.16 width. Labium 4.32 0.38 long; 4.32 0.61 wide. Sternum 12.85 1.21 long, 12.01 1.18 wide. Number of cuspules on labium 71.5 16.8; on maxillae 169.0 18.0. Variation in spination is as follows (minimum /maximum): femora I­IV 0; palp 0/ 1 d. Patellae I 0/ 1 p, 1 r; II 0/ 1 p, 0/ 1 r; III 1 / 3 p, 0/ 1 r; IV 0/ 2 p, 0/ 2 r; palp 1 p, 0/ 1 r. Tibiae I 0/ 2 p, 0/ 4 r, 5 v; II 3 / 4 p, 0/ 3 r, 3 / 8 v; III 6 / 10 p, 2 / 4 r, 5 / 11 v; IV 6 / 9 p, 0/ 1 d, 6 / 7 r, 7 / 10 v; palp 3 / 9 p, 0/ 7 r, 3 / 7 v. Metatarsi I 3 v; II 1 p, 0/ 1 d, 0/ 3 r, 3 / 4 v; III 4 / 9 p, 1 / 4 d, 1 / 3 r, 8 / 12 v; IV 9 / 17 p, 0/ 1 d, 12 / 16 r, 14 / 20 v; palp 0. Tarsi I–IV and palp, 0. Cheliceral teeth 9–12, distal large teeth 3; proximal small teeth 6–9. Variation in length of carapace, leg and palpal segments of males are given in Table 3. Variation in size of the dorsal tubercle on the male carapace may be striking (see Figs. 1 and 3). Females (n= 4) AME 0.59 0.14, ALE 0.58 0.05, PME 0.61 0.14, PLE 0.70 0.14, AME­AME 0.45 0.06, AME­ALE 0.51 0.13, PME­PME 0.14 0.05, PME­PLE 0.14 0.05, ALE­PLE 0.33 0.05. Clypeus 1.98 0.68. Fovea straight to slightly procurved 5.76 2.41 wide. Labium 3.08 0.91 long, 3.86 1.54 wide. Sternum 12.75 2.10 long, 11.64 2.60 wide. Cuspules on labium 64.25 13.05; on maxillae 163 19.7. Spination: femora I–IV 0; palp 0/ 1 p, 0/ 1 d. Patellae I 0, II 0/ 1 p; III 1 / 2 p, 0/ 2 r; IV 1 / 2 p, 0/ 2 r; palp 0/ 1 p. Tibiae I 1 / 3 p, 3 / 5 v; II 2 / 3 p, 0/ 2 d, 3 / 5 v; III 4 / 7 p, 1 / 3 r, 4 / 7 v; IV 2 / 8 p, 1 / 5 r, 7 / 10 v; palp 3 / 5 p, 1 / 3 r, 8 / 11 v. Metatarsi I 3 / 5 v; II 1 p, 0/ 1 d, 4 v; III 5 / 11 p, 1 / 4 r, 6 / 15 v; IV 5 / 7 p, 3 / 5 r, 20 / 23 v; palp 0. Tarsi I–IV and palp 0. Cheliceral teeth 10–11, distal large teeth 3. Variation of length of carapace, leg and palpal segments of females are given in Table 4. Natural History. The Juruti River Plateau was subjected to intense wood extraction in the past, especially of Pau­Rosa tree (Aniba sp.). As a result, the original terra firme (dry land) primary forest (Dense Ombrophylous Submontane Forest) was mostly replaced by secondary forest. Due to the difficult access, some portions of terra firme forest, in various degrees of degradation, survived in the low valleys formed by the small creeks (igarapés), which arise in the plateau. All specimens came from disturbed primary forest in the vicinity of Igarapé Mutum. Seven males, including the holotype, were collected in pitfall traps for herpetological inventory, in September, 2002. At that time, a single female was also collected manually, in the afternoon, under log with scarce silk. On later expedition to the area (in August 2004), two females and two males were collected manually during one hour of manual searching at night.Published as part of Pérez-Miles, Fernando, Miglio, Laura T. & Bonaldo, Alexandre B., 2006, Megaphobema teceae n. sp. (Araneae, Theraphosidae), a new theraphosine spider from Brazilian Amazonia, pp. 61-68 in Zootaxa 1115 on pages 63-65, DOI: 10.5281/zenodo.17158

    On Munduruku, a new Theraphosid genus from Oriental Amazonia (Araneae, Mygalomorphae)

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    Munduruku gen. nov. is proposed for the type species Munduruku bicoloratum sp. nov., from Juruti and Santarém, Pará, Brazil. The main diagnostic character of Munduruku gen. nov. is the presence of a subapical, lanceolate keel on the male palpal bulb, which is unique among the basal taxa of Theraphosinae with type III-IV urticating setae. The female spermathecae consist of two spheroid receptacles with funnel-shaped necks, each of which bears a sclerotized area. In both sexes, the abdomen is remarkably patterned, an uncommon feature in adults of New World theraphosids. Both the bulbus lanceolate keel and the abdominal color pattern are hypothesized as synapomorphies of the genus

    Megaphobema teceae n. sp. (Araneae, Theraphosidae), a new theraphosine spider from Brazilian Amazonia

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    Pérez-Miles, Fernando, Miglio, Laura T., Bonaldo, Alexandre B. (2006): Megaphobema teceae n. sp. (Araneae, Theraphosidae), a new theraphosine spider from Brazilian Amazonia. Zootaxa 1115: 61-68, DOI: 10.5281/zenodo.17158
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