Loxosceles irishi,

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

persistent identifier

http://treatment.plazi.org/id/03FB8670-D545-6749-FF48-FF575098FB71

treatment provided by

Plazi

scientific name

Loxosceles irishi
status

sp. nov.

Loxosceles irishi  sp. nov.

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

Types. NAMIbIA: ♀ HOLOTYpE fROM TEMpLE Of DOOM CAvE, 19°30’S, 13°55’E, 14.VII.1995, J. IRISH LEG. ( NMBA7139View Materials)GoogleMaps  . PARATYPES. 2♀, SAME DATA AS HOLOTYPE ( NMBA 17860View 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. 24View FIGURES 19 – 37). MALE pALpAL TIbIA LONG, cYMbIUM SHORT, MOST SIMILAR TO L. maraisi  , ( FIG. 8View 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. 7View 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. 24View 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. 7View 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. 40View FIGURES 40).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Sicariidae

Genus

Loxosceles