Hexophthalma dolichocephala ( Lawrence, 1928 )

Lotz, Leon N., 2018, An update on the spider genus Hexophthalma (Araneae: Sicariidae) in the Afrotropical region, with descriptions of new species, European Journal of Taxonomy 424, pp. 1-18: 10-11

publication ID

https://doi.org/10.5852/ejt.2018.424

publication LSID

lsid:zoobank.org:pub:2A452A63-0B25-4110-B9E1-61A69CD0E7FB

persistent identifier

http://treatment.plazi.org/id/03AF87DA-FFD3-D539-FE5D-8C2BFACE9E3C

treatment provided by

Plazi

scientific name

Hexophthalma dolichocephala ( Lawrence, 1928 )
status

 

Hexophthalma dolichocephala ( Lawrence, 1928) 

Figs 10 View Figure , 20 View Figure , 25 View Figure

Sicarius dolichocephalus Lawrence, 1928: 222  .

Sicarius dolichocephalus  – Newlands 1986: 49. — Lotz 2012: 8.

Hexophthalma dolichocephala  – Magalhaes et al. 2017: 850.

Diagnosis

Female inner spermathecae consist of one finger-like sac on each side, with a very short outer spermatheca ( Fig. 10 View Figure ). Male embolus apical part thin, blunt and slightly twisted and flattened, unlike the other species where the apical part is thin and pointed ( Fig. 20 View Figure ).

Material examined

Lectotype

NAMIBIA: ♀, Kaoko Otavi [18°18′ S, 13°40′ E], Apr. 1926 ( SAMC 6937View Materials).GoogleMaps 

Other material

NAMIBIA: 1 ♂, 1 ♀, 1 imm., Kaokoland, Opuwo, 17°24′20.34″ S, 14°13′01.20″ E, 18 Aug. 2005, G. Binford leg. ( NMNW 45843View Materials)GoogleMaps  ; 1 ♀, Kaokoland, Opuwo, Baynes Mountain, Epembe , 17°04′32.9″ S, 13°02′08.5″ E, 20 Apr. 2006, EduVentures 8 leg. ( NMNW 47266View Materials)GoogleMaps  ; 1 ♂, 1 ♀, Munutum River [18°17′ S, 12°04′ E], 19 Oct. 1988, H. Kleinhans leg. ( NMNW 40863View Materials)GoogleMaps  ; 1 ♂, Okahama water point , 17°10′34.1″ S, 12°59′54.7″ E, 25 Apr. 2006, EduVentures 8 leg. ( NMNW 47271View Materials)GoogleMaps  ; 1 ♂, Möwe Bay , 19°20′ S, 12°40′ E, 1990, D. and J. Bartlett leg. ( NMNW 42684View Materials)GoogleMaps  ; 1 ♂, Ruacana, 17°25′ S, 14°19′ E, 25–27 Aug. 1973, State Museum leg. ( NMNW 35801View Materials)GoogleMaps  .

Description

Male (n=5)

TL= 19.5 (11.6–28.7); CL=4.98 (4.7–5.6); CW= 4.94 (4.7–5.6); CLL= 0.59 (0.50–0.65). AME- LE= 0.5; eye diameter=0.2. Carapace reddish-brown, cephalic area slightly darker; abdomen and legs yellow-brown. Body and legs with lancet-like curved macrosetae, more strongly curved on body than on legs. Embolus thick over most of the length, tapered apically, point blunt and slightly twisted at base of thinner part ( Fig. 20 View Figure ).

Leg measurements:

Natural history

Hexophthalma dolichocephala  have been collected in Desert, Nama Karoo and Savanna biomes, by pitfall traps and by hand from under rocks.

Distribution

Hexophthalma dolichocephala  is distributed in the northwestern corner of Namibia ( Fig. 25 View Figure ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Sicariidae

Genus

Hexophthalma

Loc

Hexophthalma dolichocephala ( Lawrence, 1928 )

Lotz, Leon N. 2018

2018
Loc

Sicarius dolichocephalus

: 222

Loc

Sicarius dolichocephalus

: 49 : 8

Loc

Hexophthalma dolichocephala

: 850