Celaetycheus beiju , Polotow, Daniele & Brescovit, Antonio D., 2013

Polotow, Daniele & Brescovit, Antonio D., 2013, New species of the Neotropical spider genus Celaetycheus Simon, 1897 (Araneae: Ctenidae), Zootaxa 3637 (2), pp. 139-157: 148-149

publication ID

http://dx.doi.org/10.11646/zootaxa.3637.2.5

publication LSID

lsid:zoobank.org:pub:1B5343C3-0426-4014-9F12-E2346DDEEE08

persistent identifier

http://treatment.plazi.org/id/984B87B8-4173-FF98-FF00-DA9BFB90DCFB

treatment provided by

Plazi

scientific name

Celaetycheus beiju
status

new species

Celaetycheus beiju  new species

Figures 8View FIGURE 8. A – D, 14– 15View FIGURE 14View FIGURE 15

Type material. Male holotype from Prado (Fazenda Furado) [17 ° 20 ʹ 27 ʺS, 39 ° 13 ʹ 15 ʺW], Bahia, Brazil, 13–26.IX. 1970, CEPLAC, deposited in IBSP 163485. Paratypes: 1 female, same data as the holotype, deposited in IBSP 163486; 1 male, same locality as the holotype, 08.VIII. 1970, CEPLAC, deposited in IBSP 163487; 1 male from Itamarajú (Fazenda Nossa Senhora das Neves) [17 °02ʹ 20 ʺS, 39 ° 31 ʹ 51 ʺW], Bahia, Brazil, 09.X. 1978, J.S. Santos, deposited in IBSP 163488.

Etymology. “ Beiju  ” is a typical meal of the Brazilian culinary tradition, very popular in the northeast of Brazil. It is prepared with cassava starch as a kind of pancake or crepe, traditionally filled with coconut and cheese. The other common name for this meal is “Tapioca”.

Diagnosis. Males of Celaetycheus beiju  sp. nov. ( Figs 8 A –BView FIGURE 8. A – D) can be distinguished from the remaining species of the genus by the male palp with an elongated and large median tegular projection pointing prolaterally and embolus with a basal projection. Females of C. beiju  sp. nov. ( Figs 8 C –DView FIGURE 8. A – D) resemble those of C. caruru  sp. nov. ( Figs 10 C –DView FIGURE 10. A – D) by the subtriangular shape of the median sector of the epigynum, but can be distinguished from those by the presence of elongated lateral lobes on the lateral sector of epigynum ( Fig. 8 CView FIGURE 8. A – D).

Description. Male (holotype IBSP 163485). Total length 3.4. Carapace 1.8 long, 1.55 wide. Eye diameters: AME 0.10, ALE 0.08, PME 0.16, PLE 0.16. Leg measurements: I: femur 1.65 / patella 0.63 / tibia 1.5 / metatarsus 1.55 / tarsus 0.85 / total 6.18; II: 1.55 / 0.65 / 1.25 / 1.45 / 0.75 / 5.65; III: 1.5 / 0.6 / 1.15 / 1.6 / 0.75 / 5.6; IV: 2.0/ 0.65 / 1.6 / 2.2 / 1.05 / 7.5. Leg formula 4123. Leg spination: tibia I –II v 2 - 2 - 2 - 2 - 2, p 1 - 1, r 1 - 1, III –IV v 2 - 2 - 2, p 1 - 1, r 1 - 1; metatarsus I –IV v 2 - 2 - 2, p 1 - 1 - 1, r 1 - 1 - 1. Palpal femur with short spines close to the proximal area; coxa and trochanter of leg II with short and thick spines ( Fig. 14View FIGURE 14 B). Palp ( Figs 8 A –BView FIGURE 8. A – D): tibia straight, slightly longer than cymbium; retrolateral tibial apophysis with bifid tip; ventral tibial apophysis short; short median apophysis with a prolateral cup-shaped projection; embolus thin and elongated.

Female (paratype IBSP 163486). Total length 4.7. Carapace 1.9 long, 1.7 wide. Eye diameters: AME 0.12, ALE 0.10, PME 0.17, PLA 0.17. Leg measurements: I: femur 1.45 / patella 0.65 / tibia 1.35 / metatarsus 1.3 / tarsus 0.6 / total 5.35; II: 1.5 / 0.65 / 1.2 / 1.25 / 0.6 / 5.2; III: 1.4 / 0.6 / 1.2 / 1.2 / 0.6 / 5.0; IV: 1.8 / 0.6 / 1.5 / 1.95 / 0.85 / 6.7. Leg formula 4123. Leg spination: tibia I –II v 2 - 2 - 2 - 2 - 2, p0, r0, III –IV v 2 - 2 - 2, p 1 - 1, r 1 - 1; metatarsus I –II v 2 - 2 - 2, p0, r0, III –IV v 2 - 2 - 2, p 1 - 1 - 1, r 1 - 1 - 1. Epigynum ( Figs 8 C –DView FIGURE 8. A – D): median sector, short and large, not covering the lateral lobes on the lateral fields; copulatory duct projected; head and base and head of spermathecae small; fertilization ducts thin.

Distribution. Prado and Itamarajú, State of Bahia, northeast Brazil ( Fig. 15View FIGURE 15 B).

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Ctenidae

Genus

Celaetycheus