Loxosceles irishi, Lotz, 2017

Lotz, L. N., 2017, An update on the spider genus Loxosceles (Araneae: Sicariidae) in the Afrotropical region, with description of seven new species, Zootaxa 4341 (4), pp. 475-494 : 482

publication ID	https://doi.org/ 10.11646/zootaxa.4341.4.2
publication LSID	lsid:zoobank.org:pub:723F3227-A214-43F8-B598-CD7DFDB8B48B
DOI	https://doi.org/10.5281/zenodo.5257909
persistent identifier	https://treatment.plazi.org/id/03FB8670-D545-6749-FF48-FF575098FB71
treatment provided by	Plazi
scientific name	Loxosceles irishi
status	sp. nov.

Treatment

Loxosceles irishi View in CoL sp. nov.

( FIGS 7 View FIGURES 1 – 18 , 24 View FIGURES 19 – 37 )

Types. NAMIbIA: ♀ HOLOTYpE fROM TEMpLE Of DOOM CAvE, 19°30’S, 13°55’E, 14.VII.1995, J. IRISH LEG. ( NMBA7139 View Materials ) GoogleMaps . PARATYPES. 2♀, SAME DATA AS HOLOTYPE ( NMBA 17860 View Materials ) ; 1♂, KAOKOLAND, ARBORIUM, LOCALITY MAP 1813DC, 14.VIII.1994, E. MARAIS LEG (SMN 43403); 1♂, 3♀ AND 1 IMM, KAOKOLAND, BVWq-GAT, LOCALITY MAP 1913BD, 28.II.1990, E. MARAIS & J. IRISH LEG. (SMN 41839); 1♂, TEMPLE OF DOOM CAVE, 19°30’S, 13°55’E, 17– 18.VIII.1994, E. MARAIS LEG. (SMN 43 404).

Etymology. THE SpEcIES NAME IS A pATRONYM fOR JOHN IRISH, cOLLEcTOR Of THE TYpE SpEcIMEN.

Diagnosis. FEMALE SpERMATHEcAE cONSIST Of SMALL ObLONG SAcS ON fOUR LONG cOpULATORY TUbES ON EAcH SIdE; cOpULATORY TUbES pROcEEd ANTERIORLY; dIffER fROM ALL OTHER SpEcIES IN THIS RESpEcT ( FIG. 24 View FIGURES 19 – 37 ). MALE pALpAL TIbIA LONG, cYMbIUM SHORT, MOST SIMILAR TO L. maraisi , ( FIG. 8 View FIGURES 1 – 18 ); dIffERING fROM L. maraisi IN THE pALp TIbIA LENGTH/HIGH RATIO bEING MORE THAN 2.5 ANd THE EMbOLUS bEING AbOUT TWIcE AS LONG AS bULb WIdTH ( FIG. 7 View FIGURES 1 – 18 ).

Description. Female: (N = 6): TL = 7.45 (5.5–8.8); CL = 3.12 (2.5–3.4); CW = 2.58 (2.1–3.1); CLL = 0.32 (0.20–0.45). AME-LE 0.15; LARGEST EYE dIAMETER 0.2. CARApAcE YELLOW, SLIGHTLY dARkER pARS cEpHALIcA ANd ALONG THE EdGES; STERNUM LIGHT YELLOW; LEGS YELLOW; pALpS MOSTLY LIGHT YELLOW, WITH dARkER TARSUS. AbdOMEN LIGHT YELLOW. INTERNAL GENITALIA WITH fOUR, LONG, ANTERIORLY pROcEEdING cOpULATORY TUbES ON EAcH SIdE, NExT TO EAcH OTHER AT THE bASE, ENdING IN SMALL SpERMATHEcAE, SLIGHTLY LARGER IN dIAMETER THAN THE TUbES ( FIG. 24 View FIGURES 19 – 37 ). LEG fORMULA II:I:IV:III. LEG MEASUREMENTS: I: fEMUR 5.8, pATELLA 1.3, TIbIA 6.1, METATARSUS 6.0, TARSUS 1.2, TOTAL 20.4; II: 6.8, 1.3, 7.0, 6.3, 1.3, 22.7; III: 5.6, 1.3, 4.9, 5.8, 1.2, 18.8; IV: 6.2, 1.3, 5.8, 7.3, 1.4, 22.0. PALp: fEMUR 1.3, pATELLA 0.5, TIbIA 1.0, cYMbIUM 1.5, TOTAL 4.3.

Male: (N = 3): TL = 6.63 (5.5–7.9); CL = 3.13 (2.8–3.8); CW = 2.83 (2.5–3.5); CLL = 0.37 (0.3–0.5). AME-LE 0.1; LARGEST EYE dIAMETER 0.2. COLOUR ANd MARkINGS AS IN fEMALE. PALpAL TIbIA LONG, cYMbIUM SHORT; TIbIA LENGTH/HIGH RATIO MORE THAN 2.5; EMbOLUS AbOUT TWIcE AS LONG AS bULb WIdTH ANd cURvEd, NARROWING fROM bASE TO ApEx ( FIG. 7 View FIGURES 1 – 18 ). LEG fORMULA II:IV:I:III. LEG MEASUREMENTS: I: fEMUR 6.2, pATELLA 1.1, TIbIA 6.9, METATARSUS 7.1, TARSUS 1.3, TOTAL 22.6; II: 7.3, 1.1, 8.4, 8.8, 1.5, 27.1; III: 5.4, 1.1, 5.1, 6.7, 1.2, 19.5; IV: 6.3, 1.1, 6.2, 8.5, 1.5, 23.6. PALp: fEMUR 1.1, pATELLA 0.3, TIbIA 1.0, cYMbIUM 0.45, TOTAL 2.85.

Natural History. COLLEcTEd fROM SAvANNA, fROM dARk zONE IN cAvES.

Distribution. NORTHWESTERN NAMIbIA ( FIG. 40 View FIGURES 40 ).