Loxosceles bergeri Strand, 1906

Lotz, L. N., 2012, Present status of Sicariidae (Arachnida: Araneae) in the Afrotropical region, Zootaxa 3522, pp. 1-41: 15-16

publication ID

5FDF2E4A-1F35-4EC8-A1FE-DCE443E4E702

publication LSID

lsid:zoobank.org:pub:5FDF2E4A-1F35-4EC8-A1FE-DCE443E4E702

persistent identifier

http://treatment.plazi.org/id/817E87C3-FFDF-8908-FF1E-6690FA6CBDE7

treatment provided by

Felipe

scientific name

Loxosceles bergeri Strand, 1906
status

 

Loxosceles bergeri Strand, 1906  

( Figs. 9A, 10A, 11A)

Loxosceles bergeri Strand, 1906b: 26   ; Newlands 1986: 64, f. 34–36.

Loxosceles spinulosa, Newlands, 1975: 144   , f. 2–5, 8, 10–13 (syn.).

Types: ♀ holotype from Namibia: Gibeon, Rietmond, [2434'S, 1811'E], C. Berger [not found, possibly lost during World War II]   .

Note: Newlands (1986) looked at specimens from the type locality and suggested revalidating the species. Specimens from the same area were examined and I agree with Newlands’ (1986) findings and his revalidation is here confirmed.

Diagnosis: Male palp cymbium and tibia short, similar to L. pilosa   , L. simillima   , L. smithi   and L. spinulosa   ; differing from L. pilosa   and L. simillima   in the palp cymbium being twice as long as the patella; differing from L. smithi   in the palp femur length being equal to the patella+tibia length; differing from L. spinulosa   in the structure of the embolus ( Fig. 9A). Female spermathecae consist of a large medial round sac and a smaller lateral sac, connected with a short copulatory tube and the two pairs of spermathecae are separated medially; L. bergeri   differ from all other species in this respect, the closest being L. pilosa   where the spermathecae pairs are medially close together ( Fig. 10A).

Female: ( SMN 35438 View Materials ): TL = 10.4; CL = 3.9; CW = 3.1; CLL = 0.5. AME-LE 0.1; Eye diameter 0.2.

Leg measurements:

I II III IV Palp Femur 8.3 8.7 7.7 8.8 1.05 Patella 1.3 1.3 1.3 1.3 0.50 Tibia 8.7 8.8 6.7 8.0 0.75 Metatarsus 8.0 8.5 7.8 9.4 – Tarsus 1.6 1.6 1.4 1.6 1.40 Total 27.9 28.9 24.9 29.1 3.70

Male: ( SMN 46279 View Materials ): TL = 4.4; CL = 3.1; CW = 1.9; CLL = 0.3. AME-LE 0.05; Eye diameter 0.15.

Leg measurements:

I II III IV Palp Femur 7.3 7.6 6.4 7.3 0.75 Patella 0.8 0.8 0.8 0.8 0.30 Tibia 7.4 7.8 5.7 6.8 0.45 Metatarsus 7.2 7.7 6.5 8.2 – Tarsus 1.7 1.6 1.3 1.6 0.60 Total 24.4 25.5 20.7 24.7 2.10

Distribution: Loxosceles bergeri   is distributed from east-central Namibia to north-central South Africa ( Fig. 11A).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Sicariidae

Genus

Loxosceles

Loc

Loxosceles bergeri Strand, 1906

Lotz, L. N. 2012
2012
Loc

Loxosceles spinulosa, Newlands, 1975: 144

Newlands, G. 1975: 144
1975
Loc

Loxosceles bergeri

Newlands, G. 1986: 64
Strand, E. 1906: 26
1906