Ancylometes riparius, Höfer, H. & Brescovit, A. D., 2000

Höfer, H. & Brescovit, A. D., 2000, A revision of the Neotropical spider genus Ancylometes Bertkau (Araneae: Pisauridae), Insect Systematics & Evolution 31, pp. 323-360: 351-359

publication ID

HOEFER2000A

persistent identifier

http://treatment.plazi.org/id/9BCAD3DE-057E-B4B7-2538-EACDA1765239

treatment provided by

Thomas

scientific name

Ancylometes riparius
status

sp. n.

Ancylometes riparius   sp. n.

(Fig. 23, 54, 55, 63)

Type material. - Female holotype from Ilha de Marchantaria, Manaus, Amazonas, Brazil, November 3 1987, H. Höfer col. in pitfall trap, with eggsac, deposited in INPA, paratypes from the same locality and collector, 1 female, August 21 1987 (SMNK 314) and 1 female, October 7 1987 (IBSP).

Etymology. - The specific name refers to the riparian habitat where the only specimens were collected.

Diagnosis. - Female epigyne nearly quadratic, median plate very broad anteriorly, its shape regularly triangular with long, narrow projection (Fig. 54). Lateral plates anteriorly covered by median plate. Epigynal openings at anterior-lateral edge, copulatory ducts long, only slightly curved (Fig. 55).

Description. - Female (holotype). Coloration as typical for genus. Chelicerae with 3 promarginal and 4 retromarginal teeth.

Measurements. Total length 21.2. Prosoma 11.3 long, 9.0 wide. Clypeus 0.7. Eye diameters and interdistances: AME 0.56, ALE 0.42, PME 0.52, PLE 0.54; AME-AME 0.3, AME-ALE 0.3, PME-PME0.2, PME-PLE 0.64, ALE-PLE 0.28, AME-PME0.22, MOQ length 1.34, front width 1.3, back width 1.34. Epigyne: 3.7 long, 3.7 wide.

Legs. I-femur 8.7/ patella 4.5/ tibia 7.5/ metatarsus 6.3/ tarsus 3.0/ total 30.0; II- 8.1/ 4.4/ 6.8/ 6.4/ 2.7/ 28.4; III- 7.4/ 4.0/ 6.0/ 6.5/ 2.4/ 26.3; IV- 9.2/ 4.5/ 7.8/ 9.8/ 3.5/ 34.8. Leg spination: femora I p2, d1-1-1; II p1-1, d1-1-1; III p1-1-1-1, d1-1-1, r1-1-1-1; IV p1-1-1-1, d1-1-1, r2; tibiae I p1, V2 -2-2-2; II p1-1, v2 -2-2-2-2; III-IV p1-1, r1- 1, v2 -2-2; metatarsi I-II p1, r1, v2 -2-1; III p1-1-2, r1-1-2, v2 -2-2; IV p1-1-1-1, r1-1-1, v2 -2-2; tarsi III v2 -2-(1); IV v2 -2.

Variation (3 females). Total length 18.4-21.2.

Other material examined. - BRAZIL: Amazonas: Manaus (Ilha de Marchantaria, várzea) 1 [[female]], Oct. 20 1987, H. Höfer (SMNK 1443); 1 [[female]], Nov. 20 1987 (SMNK 1444).

Distribution. - Known only from the type locality in the central Amazon, Brazil (Fig. 63).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Ctenidae

Genus

Ancylometes