Adryinus nigerianus Olmi, 1984

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van, 2019, Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea), Zootaxa 4630 (1), pp. 1-619 : 404-405

6. Adryinus nigerianus Olmi, 1984

( Fig. 164A )

Adryinus nigerianus Olmi1984: 1130 .

Description. ♀. Fully winged; body length 4.1 mm. Head black, except mandible reddish; antenna testaceous; me- sosoma black, except lateral regions of pronotum reddish; metasoma brown-black; legs brown-black, except tarsi testaceous. Antenna clavate; antennomeres in following proportions: 24:17:62:36:28:23:19:15:14:19. Head dull, weakly excavated, granulate and completely reticulate rugose; occiput granulate, without areolae or keels; occipital carina incomplete, reaching approximately 0.5 × length of OOL; POL = 7; OL = 6; OOL = 25. Palpal formula 6/3. Pronotum crossed by transverse impression, dull, granulate and sculptured by some striae on collar around disc; posterior edges of pronotum rounded, not produced into lobes. Mesoscutum completely reticulate rugose. Notauli absent. Mesoscutellum completely reticulate rugose. Metanotum very reduced and short. Metapectal-propodeal disc completely reticulate rugose; propodeal declivity reticulate rugose, with two longitudinal keels. Forewing with two dark transverse bands; distal part of 2r-rs&Rs vein approximately 1.66 as long as proximal part. Protrochanter approximately 4 × as long as broad. Protarsomere 1 longer than 4 (22:14). Enlarged claw ( Fig. 164A ) with one sub- apical tooth and 12 peg-like setae. Protarsomere 5 ( Fig. 164A ) with two rows of nine lamellae; apex with at least six lamellae. Tibial spurs 1/0/1.

♂. Unknown.

Material examined. Type: ♀ holotype: NIGERIA: Niger State, near Mokwa, Zugurma , 26.XII.1971, J.G. Deemingkurmi leg. ( NHMUK).

Hosts. Unknown.

Distribution. Nigeria.

Figures

FIGURE 164. A, B, D: chelae of Adryinus species holotypes: A: A. nigerianus Olmi; B: A. oweni Olmi; D: A. rugidorsalis (Turner). C: prothorax in lateral view of A. rugidorsalis (Turner) ♀ holotype. Scale bar: A, D: 0.10 mm; B: 0.14 mm; C: 0.39 mm.