Madecadryinus opacus Olmi, 2007

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van, 2019, Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea), Zootaxa 4630 (1), pp. 1-619 : 580-581

2. Madecadryinus opacus Olmi, 2007

( Figs 257B , 258C, D )

Madecadryinus opacus Olmi 2007c: 25 ; Azevedo et al. 2010: 885.

Description. ♀ ( Fig. 257B ). Apterous; body length 1.4 mm. Head black, except clypeus and mandible testaceous; antenna testaceous; mesosoma black, except anterior margin of apparent pronotum testaceous; metasoma brown, except apex testaceous; legs testaceous. Antenna ( Fig. 257B ) clavate, thickened; antennomeres of holotype in following proportions: 8:3:1.5:3:3:3:3:3.5:3.5:6; antennomeres 1 and 10 longer than broad; antennomeres 3–9 as broad as long (length/breadth ratio of antennomere 9 in lateral view: 3.5:3.5; antennomere 6 as long as broad (3:3)); antennomere 2 approximately as long as broad; ADOs present in antennomeres 4–10; antennal toruli contiguous with lateral margins of clypeus. Head rectangular in dorsal view, less broad than long (18:22), dull, covered with short and fine setae, granulate; vertex of head slightly convex; frons very convex; eye ( Fig. 258C ) very small, much shorter than head (4: 22 in dorsal view); ocelli absent; occipital carina distinct, complete on dorsal region of head, but incomplete on lateral regions of head; frontal line absent; mandible with three teeth; clypeus with ventral margin rounded; temple very long, almost 3 × as long as eye (10:4); subocular sulcus absent. Palpal formula 2/2. Propleuron apparently mobile and articulated, hidden under apparent pronotum. Remaining regions of mesosoma completely fused with no sutures separating fused regions; laterally two incomplete sutures visible (suture between apparent pronotum and mesothorax and meso-metapleural suture; sutures incomplete and only partly visible on lateral regions of mesosoma); mesosoma smooth, covered with fine and short setae; mesosoma ( Fig. 257B ) cylindric and divided into two regions (anterior flat dorsal dull and granulate region (corresponding to pronotum, mesonotum, metanotum and metapectal-propodeal disc) and posterior inclined unsculptured region (corresponding to propodeal declivity and showing few transverse striae near apex); in anterior dorsal region no sutures visible, except suture separating dorsal region from lateral regions (suture incomplete, being absent in anterior third of dorsal region probably corresponding to pronotum); propodeal declivity completely surrounded by strong keel separating it from metapectal-propodeal disc and from lateral regions of mesosoma. Protarsomeres in following proportions: 8:2:1:6:7. Protarsomere 3 produced into hook. Enlarged claw ( Fig. 258D ) with one subapical tooth and six bristles. Protarsomere 5 ( Fig. 258D ) with two rows of 3 (long) + 9 lamellae; apex with four lamellae. Tibial spurs 1/0/1.

♂. Unknown.

Material examined. Type: ♀ holotype: MADAGASCAR: Toliara, Analavelona Classified Forest , 29.2 km 343° NNW Mahaboboka, 22°40.30’S 44°11.24’E, 1100 m, 18–22.II.2003, sifted litter, in montane rainforest, Fish- er, Griswold et al. leg., BLF 7820 ( CAS) .

Hosts. Unknown.

Distribution. Madagascar.

Figures

FIGURE 257. Habitus of Madecadryinus species. A: M. humicolus Olmi: ♀ holotype in dorsal view. B: M. opacus Olmi: ♀ holotype in dorsal view. C: M. politus Olmi: ♀ holotype in dorsal view. D, E: M. relictus Olmi: ♀ holotype in dorsal (D) and lateral (E) view.

FIGURE 258. A, B: Madecadryinus humicolus Olmi, ♀ holotype: head in lateral view (A); chela (B). C, D: Madecadryinus opacus Olmi, ♀ holotype: head in lateral view (C); chela (D). E, G: Madecadryinus politus Olmi, ♀ holotype: head in lateral view (E); chela (G). F, H: Madecadryinus ranomafanensis Olmi, Copeland & van Noort sp. nov., ♂ holotype: head in dorsal view (F); genitalia (H). Scale bar: A: 0.13 mm; B, D: 0.03 mm; C, H: 0.08 mm; E: 0.15 mm; F: 0.17 mm; G: 0.04 mm.