Dryinus dentatiforceps Olmi, Copeland & van Noort, 2019

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van, 2019, Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea), Zootaxa 4630 (1), pp. 1-619 : 365-366

48. Dryinus dentatiforceps Olmi, Copeland & van Noort , sp. nov.

( Figs 147D , 148 )

Diagnosis. ♀ of Dryinus with head granulate, not sculptured by irregular keels; notauli absent; forewing with two dark transverse bands; enlarged claw ( Fig. 147D ) spatulate, with one long row of 13 teeth extending from proximal region to apex and one row of 11 lamellae.

Description. ♀ ( Fig. 148 ). Fully winged; body length 3.4 mm. Head black, except mandible testaceous and clypeus brown; antenna brown, except scape and pedicel testaceous; mesosoma black, except lateral margins of pronotum testaceous; metasoma brown; legs testaceous, except metatibia and inner side of metafemur club darkened. Antenna clavate; antennomeres in following proportions: 11:5:22:12:10:8:8:6:5:8. Head weakly excavated, dull, granulate; occiput slightly granulate; frontal line complete; occipital carina incomplete, only present behind and on sides of lateral ocelli; temple absent; lateral ocelli touching occipital carina; POL = 5; OL = 3; OOL = 8; greatest breadth of posterior ocellus shorter than OL (2:3). Pronotum dull, granulate, crossed by deep anterior transverse furrow and strong posterior transverse furrow; posterior collar short; disc humped; pronotal tubercle not reaching tegula. Mesoscutum dull, granulate and reticulate rugose. Notauli absent. Mesoscutum with two longitudinal keels similar to notauli. Mesoscutellum dull, granulate and slightly rugose. Metanotum reticulate rugose. Metapectal-propodeal disc reticulate rugose; propodeal declivity reticulate rugose, with two longitudinal keels. Forewing with two dark transverse bands; distal part of 2r-rs&Rs vein longer than proximal part (11:6). Hind wing hyaline. Protarsomeres in following proportions: 18:3:7:13:22. Enlarged claw ( Figs 147D , 148D ) spatulate, with one long row of 13 teeth extending from proximal region to apex and one row of 11 lamellae. Protarsomere 5 ( Figs 147D , 148D ) with three rows of 5 (very long) + 27 lamellae; apex with group of about 13 lamellae. Tibial spurs 1/1/2.

♂. Unknown.

Material examined. Type: ♀ holotype: SOUTH AFRICA: Western Cape, Gamkaberg Nature Reserve , 33°39.941’S 21°53.505’E, 315 m, 8.II–21.III.2009, MT, Gamka Thicket, S. van Noort leg., SAM-HYM-A023302 ( SAMC) .

Hosts. Unknown.

Distribution. South Africa.

Etymology. The species is named dentatiforceps (= pince with teeth) because of the long row of teeth present in the enlarged claw.

Figures

FIGURE 147. A: Dryinus aethiopicus (Olmi): genitalia of ♂ paratype. B–D: chelae of Dryinus species holotypes: B: D. bekilyensis (Benoit); C: D. botswanensis (Olmi); D: D. dentatiforceps Olmi, Copeland & van Noort sp. nov. Scale bar: A: 0.15 mm; B: 0.12 mm; C: 0.10 mm; D: 0.07 mm.

FIGURE 148. Dryinus dentatiforceps Olmi, Copeland & van Noort sp. nov., ♀ holotype: habitus in dorsal (A) and lateral (B) view; head in frontal view (C); chela (D).