Dryinus adgressor Xu, Olmi & He, 2006

Xu, Zaifu, Olmi, Massimo & He, Junhua, 2013, Dryinidae of the Oriental region (Hymenoptera: Chrysidoidea), Zootaxa 3614 (1), pp. 1-460 : 258-259

2. Dryinus adgressor Xu, Olmi & He, 2006

( Plate 74D )

Dryinus adgressor Xu, Olmi & He 2006c: 92 .

Description of Female. Fully winged; length 4.8–5.8 mm. Head black, except mandible, margins of clypeus, anterior region of face between antennal toruli, gena and part of ventral surface testaceous; antenna testaceous; mesosoma black, except pronotum testaceous (except for brown lateral regions of pronotum); metasoma brown; foreleg brown, except coxa, trochanter and stalk of femur whitish, part of protarsus and chela testaceous; midleg whitish, except club of femur, proximal and distal fourth of tibia, last tarsal segment brown; hindlegs whitish, except part of coxa, club of femur, proximal and distal fifth of tibia, last tarsal segment brown. Antenna clavate; antennal segments of holotype in following proportions: 7:5:30:15:13:9:7:5:4.5:7.5; in specimen from China, Nanling National Nature Reserve, antennal segments in following proportions: 8:6:38:22:16:10:8:8:7:11. Head dull, hairy, very slightly excavated; holotype with head granulated, reticulate rugose and irregularly striate; in specimen from China, Nanling National Nature Reserve, head granulated, with some irregular longitudinal keels and slightly rugose. Frontal line complete; occipital carina complete, laterally not reaching eyes. Holotype with POL = 5.5; OL = 5; OOL = 16; OPL = 3; TL = 7; greatest breadth of posterior ocelli as long as OL; in specimen from China, Nanling National Nature Reserve, POL = 3; OL = 2.5; OOL = 10; OPL = 1; TL = 3; greatest breadth of posterior ocelli as long as OL. Pronotum shiny, hairy, alutaceous, with many longitudinal striae on lateral regions, around disc and on posterior collar; pronotum with disc humped and posterior collar long; pronotal tubercle not reaching tegula. Scutum of holotype dull, hairy, granulated and reticulate rugose; scutum of specimen from China, Nanling National Nature Reserve, with lateral regions granulated and reticulate rugose and median region granulated and with many rugosities near posterior margin. Notauli almost complete, almost reaching posterior margin of scutum (but slightly visible near posterior margin of scutum among areolae). Scutellum and metanotum of holotype dull, hairy, granulated and reticulate rugose; scutellum of specimen from China, Nanling National Nature Reserve, granulated, not rugose. Metapleura dull, strongly transversely striate. Propodeum hairless, reticulate rugose, without longitudinal or transverse striae, with dorsal surface longer than posterior surface (17:10). Fore wing with three dark transverse bands; in holotype distal part of stigmal vein about three times as long as proximal part (25:8); in specimen from China, Nanling National Nature Reserve, distal part of stigmal vein less than three times as long as proximal part (23:10). Protarsal segments of holotype in following proportions: 26:4:8:20:33; Protarsal segments of specimen from China, Nanling National Nature Reserve, in following proportions: 24:4:7:20:32. Enlarged claw ( Plate 74D ) with one strong subdistal tooth and one row of 9–11 lamellae. Segment 5 of protarsus ( Plate 74D ) with two rows of approximately 31–32 lamellae; distal apex with 13–20 lamellae. Tibial spurs 1/1/2.

Male. Unknown.

Material examined. Type: holotype ♀: CHINA: Guangdong, Shixing County, Chebaling National Nature Reserve , 21.VIII.2003, Zaifu Xu leg. ( ZJUC) . Other material. CHINA: Guangdong, Nanling National Nature Reserve , 16.X.2007, Zaifu Xu leg., 1♀ ( SCAU) .

Hosts. Unknown.

Distribution. China (Guangdong).

Figures

PLATE 74. A, B, D, E. Chelae. C. Male genitalia. A. Dryinus sp. of group 4 (from Olmi 1984). B, C. D. achterbergi, holotype (B) and paratype (C) (from Olmi 1991). D. D. adgressor, holotype (from Xu et al. 2006c). E. D. alboniger, holotype (from Olmi 1992a). Scale bar 0.39 mm for A, 0.18 mm for B, 0.22 mm for C, 0.26 mm for D, 0.32 mm for E.