Idiops harti ( Pocock, 1893 )

Fonseca-Ferreira, Rafael, Guadanucci, José Paulo Leite, Yamamoto, Flávio Uemori & Brescovit, Antonio Domingos, 2021, Taxonomic revision of the Neotropical spiders of the genus Idiops Perty, 1833 (Araneae, Idiopidae), with description of four new species, European Journal of Taxonomy 780 (1), pp. 1-71 : 40-41

Idiops harti ( Pocock, 1893)

Figs 4B , 5C , 22

Pseudidiops harti Pocock, 1893: 407 , pl. 19, figs 1–3.

Idiops harti – Raven 1985: 158.

Diagnosis

The female of Idiops harti differs from that of other species of the genus by having the spermathecae with short ducts (same length as the diameter of the receptacula) and a well-marked division between them, by having the receptacula shaped like a bean ( Fig. 22 ) and by having only an internal row of large teeth on the chelicera ( Fig. 5C ).

Type material

Holotype TRINIDAD AND TOBAGO • ♀; Trinidad; J.H. Hart leg.; BMNH 1893.3.25.1.

Description

Male

Unknown.

Female (holotype BMNH 1893.3.25.1)

MEASUREMENTS. TBL 18.8, CL 12.2, CW 9.8, LL 0.8, LW 1.3, SL 5.8, SW 5.6.

COLOR. Carapace and legs light brown. Abdomen brown.

PROSOMA. Eye tubercle: 1.7 long; 1.1 wide. AME-ALE distance 0.7. Eye diameters:AME 0.44, ALE 0.4, PME 0.3, PLE 0.4. Thoracic fovea procurved with 7 cuspules. Maxilla with 104 cuspules, distributed through ventral area. Basal segment of chelicerae with a prolateral row of 6 large teeth and one small retrolateral tooth ( Fig. 4C ).

PALP AND LEG MEASUREMENTS. Palp = 10.6 (3.6, 2.4, 2.3, 2.3), I = 12.8 (4.3, 2.8, 2.9, 1.9, 0.9), II = 11.5 (3.9, 2.5, 2.3, 1.8, 1), III = 8.6 (2.4, 1.9, 1.5, 1.8, 1), IV = 15.8 (4.5, 2.9, 3.5, 3.3, 1.6).

SPINATION. Palp: Fe p0-0-2, Pa p0-1-1, Ti p6-5-9, r3-6-8, Ta p8-6-9, r9-8-7. Leg I: Ti p3-3-8, r3-5-6, Mt p6-4-4, r5-5-3, Ta p3-1-1, r1-2-1. Leg II: Ti p3-4-6, r1-1-3, Mt p6-5-6, r2-2-4, Ta p2-3-1, r2-2-1. Leg III: Fe d0-0-1, Pa p3-5-9, r0-1-0, Ti v0-0-2, p2-4-7, Mt v0-0-2, p2-1-3, r1-2-1. Leg IV: Pa p0-0-1, Ti v1-1-2, r1-1-1, Mt v1-2-1-3.

SPERMATHECAE. Short ducts, receptacula wider than long ( Fig. 22A ).

Distribution

Trinidad and Tobago. Known only from the type locality ( Fig. 3B ).

Figures

Fig. 4. Distribution of species of Idiops Perty, 1833 in the Neotropical region (part).

Fig. 5. Chelicera teeth arrangement. A. Smaller retrolateral teeth arranged in rows (I. camelus (Mello- Leitão, 1937)). B. Smaller retrolateral teeth arranged randomly (I. germaini Simon, 1892). C. Smaller retrolateral teeth absent (I. harti (Pocock, 1893)). Scale bars = 1 mm.

Fig. 22. Idiops harti (Pocock, 1893), ♀, genitalia, holotype (BMNH 1893.3.25.1). A. Dorsal view. B. Frontal view. Scale bar = 1 mm.

Fig. 3. Distribution of species of Idiops Perty, 1833 in the Neotropical region (part).