Dryinus mobotensis 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 : 333-334

24. Dryinus mobotensis Olmi, Copeland & van Noort , sp. nov.

( Figs 134 , 135C )

Diagnosis. ♀ of Dryinus with head mostly black, granulate, except some irregular longitudinal keels along frontal line; mesosoma black; pronotum weakly excavated, not humped ( Fig. 134B ); forewing with distal half darkened; propodeal declivity with two complete longitudinal keels; protarsomere 1 about twice as long as 4; enlarged claw ( Fig. 135C ) slightly shorter than protarsomere 5, with big subapical tooth.

Description. ♀ ( Fig. 134 ). Fully winged; body length 4.7 mm. Head black, except mandible testaceous and anterior half of clypeus yellow; antenna testaceous, except antennomeres 7–10 brown; mesosoma black; metasoma and legs brown.Antenna clavate; antennomeres in following proportions: 13:6:22:12:10:8:8:7:6:7. Head ( Fig. 134C ) dull, granulate and with few longitudinal keels along frontal line; frontal line complete; occipital carina complete; POL = 6; OL = 4; OOL = 7; OPL = 1.5; TL = 3; greatest breadth of lateral ocelli about as long as TL. Pronotum dull, granulate, weakly excavated, with posterior collar hardly visible. Mesoscutum and mesoscutellum dull, granulate ( Fig. 134A ). Notauli incomplete, approximately reaching 0.5 × length of mesoscutum. Metanotum unsculptured. Metapectal-propodeal disc reticulate rugose, slightly shorter than propodeal declivity (18:25); propodeal declivity reticulate rugose, with two complete longitudinal keels and median area sculptured by transverse keels, except small central unsculptured area. Forewing ( Fig. 134D ) with distal half darkened; distal part of 2r-rs&Rs vein about twice as long as proximal part (14:7). Protarsomeres in following proportions: 21:2.5:4:10:17. Enlarged claw ( Fig. 135C ) with one large subapical tooth and one row of five bristles. Protarsomere 5 ( Fig. 135C ) with two rows of 10 lamellae; apex with approximately 17 lamellae. Tibial spurs 1/1/2.

♂. Unknown.

Material examined. Type: ♀ holotype (CASTYPE19458): MADAGASCAR: Toamasina, Mobot site, Anala- lava, 7 km SW of Foulpointe, 17°42’32’’S 49°27’29’’E, 80 ft., 12–19.X.2007, MT, low altitude dense humid forest, MG-37A-05 ( CAS.

Hosts. Unknown.

Distribution. Madagascar.

Etymology. The species is named mobotensis after the collection locality in Mobot site (Toamasina, Madagas- car).

Figures

FIGURE 134. Dryinus mobotensis Olmi, Copeland & van Noort sp. nov., ♀ holotype: habitus in dorsal (A) and lateral (B) view; head in frontal view (C); forewing (D).

FIGURE 135. A–C, E: chelae of Dryinus species. A: D. mayogo (Benoit), holotype; B: D. milleri Olmi, Copeland & van Noort sp. nov., holotype. C: D. mobotensis Olmi, Copeland & van Noort sp. nov., holotype. E: D. modestus Olmi, holotype. D: head of Dryinus modestus Olmi, ♀ holotype, in dorsal view. Scale bar: A: 0.2 mm; B: 0.13 mm; C: 0.12 mm; D: 0.26 mm; E: 0.09 mm.