Neodryinus grandis Xu, Olmi et He

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 : 8-9

6. Neodryinus grandis Xu, Olmi et He , sp. nov.

( Fig. 9 )

Etymology. This species is named after the conspicuous size of the holotype.

Types. Holotype, female, P. R. CHINA: Guangdong Province, Nanling National Nature Reserve, 16.x.2007, Zaifu Xu coll. (SCAU!).

Diagnosis. Female with face sculptured by numerous parallel longitudinal keels; occipital carina incomplete, on the sides of the posterior ocelli, extending beyond 0.5 length of OOL; pronotum crossed by an anterior transverse impression, without a posterior impression, with anterior impression very deep; scutum completely reticulate rugose; notauli absent; enlarged claw with a very large subapical tooth situated very near the distal apex ( Fig. 9 ). Male unknown.

Description. Female: fully winged; length 4.7 mm. Head black, with mandibles testaceous; antenna brown; mesosoma black; metasoma brown; legs reddish, with tibiae, stalks of femora, stalks of fore trochanters and part of mid coxae brown. Antenna clavate; antennal segments in following proportions: 14:5:37:21:19:12:9:7:6:8.5; antennal rhinaria present in segments 6–10. Head dull, excavated; face granulated, rugose and with numerous longitudinal and parallel keels; temples and occiput granulated; occiput sculptured by many longitudinal striae; frontal line complete; occipital carina incomplete, only present behind and shortly on sides of posterior ocelli, laterally extending beyond 0.5 length of OOL; POL = 2; OL = 3; OOL = 13; posterior ocelli touching occipital carina; temples distinct; greatest breadth of posterior ocelli as long as OL. Palpal formula 6/3. Pronotum crossed by a strong transverse impression, dull, hairy, granulated and sculptured by numerous longitudinal and parallel keels on anterior collar, lateral regions and disc; posterior edges of pronotum rounded, not produced into lobes. Scutum dull, granulated, hairy and irregularly rugose. Notauli absent. Scutellum dull, granulated, reticulate rugose. Metanotum dull, short, transverse, rugose. Propodeum dull, with a strong transverse keel between dorsal and posterior surface; dorsal surface sculptured by numerous parallel and longitudinal keels, among which there are numerous transverse keels; posterior surface of propodeum with two complete longitudinal keels and median and lateral areas rugose. Mesopleura and metapleura dull and rugose. Forewing with two dark transverse bands; distal part of stigmal vein much longer than proximal part (22:9); hind wing hyaline. Fore tarsal segments in following proportions: 28:3:8:18:32. Enlarged claw ( Fig. 9 ) with a large subapical tooth and a row of nine peg-like hairs. Segment 5 of fore tarsus ( Fig. 9 ) with two rows of about 26 lamellae; distal apex with a group of at least 20 lamellae. Tibial spurs 1/0/2.

Male: unknown.

Distribution. Only known in the type locality.

Hosts. Unknown.

Figures

FIGURES 7 – 10. 7. Neodryinus diffusus, ♂ from Brunei, genitalia; 8. N. dolosus, Ψ, holotype, chela; 9. N. grandis sp. nov., Ψ, holotype, chela; 10. N. isoneurus, Ψ, holotype, chela. Scale bar 0.07 mm for 7 – 9 and 0.13 mm for 10.