Ancylometes pantanal, 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: 350-359

publication ID

HOEFER2000A

persistent identifier

http://treatment.plazi.org/id/AC43D3C9-0DE3-1D90-90DC-657C5E051E46

treatment provided by

Thomas

scientific name

Ancylometes pantanal
status

sp. n.

Ancylometes pantanal   sp. n.

(Fig. 52, 53, 63)

Type material. - Female holotype and female paratype from Pantanal Sul-Matogrossense, Passo da Lontra, Corumbá, Brazil, May 23 1993, J. Raizer col., deposited in IBSP 19482 (holotype) and 19483.

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).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Ctenidae

Genus

Ancylometes