A revision of the Neotropical spider genus Ancylometes Bertkau (Araneae: Pisauridae)
Author
Höfer, H.
Author
Brescovit, A. D.
text
Insect Systematics & Evolution
2000
31
323
360
http://unknown
journal article
HOEFER2000A
Ancylometes pantanal
sp. n.
(Fig. 52, 53, 63)
Type material. - Female
holotype
and female
paratype
from Pantanal Sul-Matogrossense, Passo da Lontra,
Corumba
, Brazil, May 23 1993, J. Raizer col., deposited in IBSP 19482 (
holotype
) and 19483.
Figures 52-53 [drawings].
Ancylometes pantanal
sp.n.
: (52) female epigyne, ventral view; (53) same, dorsal view. Scale bars = 1 mm.
Etymology
. - The specific name refers to the region where the only specimens of the species were collected.
Diagnosis. - Female epigyne wider than long with medianly very broad median plate, anteriorly with spoonlike projection and narrowing strongly to posterior margin (Fig. 52). Lateral plates anteriorly covered by median plate. Due to lateral extension of median plate copulatory ducts open on lateral sides and describe a right-angled turn. Spermathecae relatively small (Fig. 53).
Description. - Female (
holotype
). Coloration as typical for genus, except prosoma with narrow, white paramedian bands and abdomen dorsally with small white spots and laterally with white stripes. Chelicerae with 3 promarginal and 4 retromarginal teeth.
Measurements. Total length 19.8. Prosoma 9.0 long, 7.2 wide. Clypeus 1.0. Eye diameters and interdistances: AME 0.44, ALE 0.34, PME 0.56, PLE 0.56; AME-AME 0.16, AME-ALE 0.32, PME-PME 0.20, PME-PLE 0.52, ALE-PLE 0.22, AME-PME 0.20, MOQ length 1.2, front width 1.04, back width 1.26.
Legs. I-femur 8.1/ patella 3.9/ tibia 7.3/ metatarsus 6.0/ tarsus 2.8/ total 28.1; II-7.9/ 3.8/ 6.4/ 6.1/ 2.8/ 27.0; III-7.4/ 3.2/ 5.8/ 6.5/ 2.8/ 25.7; IV-9.2/ 4.0/ 8.4/ 11.2/ 4.0/ 36.8. Leg spination: femora I-II p1-1-1, r1-1-1, d1-1-1; III p1-1-1-1, r1-1-1-1, d1-1-1; IV p1-1-1, r1-1, d1-1-1; tibiae I-II p1-1, v2 -2-2; III-IV p1-1, r1-1, v2 -2-2; metatarsi I-II p1-1, r1, v2 -2-1; III-IV p1-1-2, r1-1-2, v2 -2- 2; tarsi III v1; IV v1 -1-1 or v2 -1-2. Epigyne: 4.4 long, 5.2 wide.
Variation (2 females). Total length 18.1-19.8.
Other material examined. - None.
Distribution. - Known only from the type locality in the Pantanal region of Brazil (Fig. 63).
Figure 63 [map]. Distribution of sample sites of
A. amazonicus
,
hewitsoni
,
japura
,
jau
,
pantanal
,
riparius
,
terrenus
.