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 , 135 C)

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.