Neodryinus robustus Olmi

Xu, Zaifu, Olmi, Massimo & He, Junhua, 2011, Revision of the Oriental species of the genus Neodryinus Perkins 1905 (Hymenoptera: Dryinidae: Gonatopodinae), with description of a new species from China, Zootaxa 2790, pp. 1-22 : 19-20

15. Neodryinus robustus Olmi

( Fig. 25 )

Neodryinus robustus Olmi 1984: 1082 .

Material examined. Types: Holotype, female, LAOS: Vientiane Province, Ban Van Eue ( BPBM!).

Diagnosis. Female with occipital carina incomplete, distinct on sides of posterior ocelli, laterally not extending beyond 0.5 length of OOL; pronotum only with an anterior very deep transverse furrow, without a posterior impression; notauli absent; legs black-brown; enlarged claw tapering, with a subapical tooth located very near distal apex ( Fig. 25 ). Male unknown.

Redescription. Female: fully winged; length 5.0 mm. Head black, except mandibles reddish; antenna black, except ventral side of segment 1 testaceous and segment 10 reddish; mesosoma and metasoma black; legs black. Antenna clavate. Head dull, excavated, granulated; face and vertex sculptured by numerous longitudinal keels; occipital carina incomplete, only present behind and on sides of posterior ocelli, laterally not extending beyond 0.5 length of OOL. Palpal formula 6/3. Pronotum granulated and sculptured by numerous longitudinal keels, crossed by a transverse impression; posterior edges of pronotum rounded, not produced into lobes. Scutum dull, granulated and sculptured by numerous longitudinal keels, weakly reticulate rugose. Notauli absent. Scutellum reticulate rugose and sculptured by numerous longitudinal keels. Metanotum very reduced, short. Propodeum completely reticulate rugose; posterior surface with two complete longitudinal keels. Forewing with two dark transverse bands; distal part of stigmal vein much longer than proximal part. Fore trochanters about four times as long as broad. Fore tarsal segment 1 longer than segment 4 (27:17). Enlarged claw ( Fig. 25 ) with a subapical tooth and a row of eight bristles. Segment 5 of fore tarsus ( Fig. 25 ) with two rows of 21 lamellae; distal apex with a group of at least 12 lamellae. Tibial spurs 1/0/2.

Male: unknown.

Distribution. Only known in the type locality.

Hosts. Unknown.

Figures

FIGURES 25 – 27. 25. Neodryinus robustus, Ψ, holotype, chela. 26. N. sumatranus, Ψ from Sri Lanka, chela. 27. N. taiwanensis, Ψ, holotype, chela. Scale bar 0.08 mm for 25, and 0.09 mm for 26, 27.