New species of Cheiracanthium (Araneae: Eutichuridae) from Madagascar and the Comoros Islands
Author
Lotz, L. N.
text
Zootaxa
2014
3857
3
301
332
journal article
10.11646/zootaxa.3857.3.1
7c112ae3-5a6b-4410-b413-95533e7166dd
1175-5326
225808
D2A7F86B-7E6C-464A-9935-625C0371E8BD
Cheiracanthium ampijoroa
sp. nov.
Figs 5
,
13–15
Type
material from
Madagascar
:
Holotype
♀,
Mahajanga
, Park National d’Ampijoroa Station Forestiére,
40 km
306ºNW Andranofasika,
16º19’15”S
,
46º48’38”E
,
26.III–1.IV.2001
, Fisher,
et al.
(
CASC
9007584).
Paratypes
: 2♀,
Mahajanga
, Park National d’Ampijoroa Station Forestiére,
40 km
306ºNW Andranofasika,
16º19’15”S
,
46º48’38”E
,
26.III–1.IV.2001
, J.J. Rafanomezantsoa,
et al.
(
CASC
9002655); 1♀, Fianarantsoa, Park National Ranomafana, Tatatakely,
21º14.9’S
,
47º25.6’E
,
5–18.IV.1998
, C.E. Griswold
et al.
(
CASC
).
Etymology.
The name is a noun in apposition of the
type
locality.
Diagnosis.
C. ampijoroa
sp. nov.
is similar to
C. ambrense
sp. nov.
,
C. andranomay
sp. nov.
,
C. anjozorobe
sp. nov.
,
C. ashleyi
sp. nov.
,
C. fisheri
sp. nov.
,
C. griswoldi
sp. nov.
, and
C. rothi
sp. nov.
in the dumbbell-shaped spermathecae. In
C. ampijoroa
sp. nov.
females are differentiated by the copulatory ducts proceeding anteriorly, then laterally and then posteriorly before curving medially (
Fig. 15
). Males unknown.
Description.
Female
: (n = 4): TL = 7.58 (7.00–8.20); CL = 3.08 (2.60–3.50); CW = 2.25 (1.90–2.50); OAL = 0.43 (0.40–0.45); OAW = 1.36 (1.15–1.50); CLL = 0.1 (0.1–0.1). Chelicerae: robust with long fangs; cheliceral fang furrow with eight teeth of unequal size, PMT:RMT = 3:5 (
Fig. 13
). Measurements: AME–AME 0.10; AME–ALE 0.25; AME diameter 0.20; PME–PME 0.25; PME–PLE 0.30; PME diameter 0.15; MOQAW 0.50; MOQPW 0.55; CI (CL/CW) 1.40; LL:CL 5.49; STL 1.70; STW 1.25. Leg measurements: I—4.5+1.4+5.4+5.6+2.3 = 19.2; II—3.0+1.1+3.0+3.2+1.1 = 11.4; III—2.2+0.9+1.8+2.3+0.9 = 8.1; IV—3.3+1.1+3.0+3.6+1.1 = 12.1; palp—1.6+0.5+1.2+1.3 = 4.6. Leg spines: I 0-1p-1p,
1v-2v-
0, 2v-
2v-1v
; II 0-1p-1p, 1v-2
v1
p-0, 2v -2
v1
p-
1v
; III 0- 1p-1p1r,
1v-
1p1r-0, 2
v1
p1r-2
v1
p1r-3
v1
p1r; IV 0-1p-1p1r,
1v-
1r-0, 2
v1
p-2
v1
p1r-3
v1
p1r. Abdomen (
Fig. 5
): greywhite with indistinct heartmark. Epigynum (
Figs 14–15
): wider than long with two depressions separated by a septum; copulatory openings in the posterior-medial edge of depressions; internally, copulatory ducts proceed anterolaterally, curving medially before ending in medio-posterior part of dumbbell-shaped spermathecae; fertilization ducts exit spermathecae posteromedially.
Male
: unknown.
Distribution.
Only known from two localities in central
Madagascar
(
Fig. 21
).
Habitat.
Collected in tropical dry forest.