Dryinus daviesi, Olmi, 2009

Olmi, Massimo, 2009, New species of South African Dryinidae (Hymenoptera: Chrysidoidea), African Invertebrates 50 (2), pp. 447-447 : 452-453

Dryinus daviesi sp. n.

Fig. 7

Etymology: This species is named after Mr Greg Davies.

Description:

Female.

Fully winged; length 4.06 mm. Head black, with mandibles testaceous; clypeus black, with lateral regions testaceous; antennae brown-testaceous, with segment 10 testaceous; mesosoma and gaster black; legs brown, with coxae and clubs of femora black.Antennae clavate; antennal segments in the proportions 13:6:26:12:9:8:6.5:6:5.5:8; rhinaria present on segments 5–10. Head dull, granulated, with a few longitudinal and irregular keels on face; frontal line complete; occipital carina complete; POL=3; OL=3; OOL=9; OPL= 1; TL=3; greatest breadth of posterior ocelli longer than OPL (2:1); posterior ocelli situated on virtual straight line joining the posterior edges of the eyes; posterior margin of vertex excavated. Pronotum shiny, slightly granulated, with numerous slight striae on lateral regions; pronotum crossed by a strong posterior transverse furrow and a slight anterior transverse impression; posterior collar short; pronotal tubercles not reaching tegulae. Scutum dull, strongly reticulate rugose, with anterior third of median region shiny,

smooth, sculptured by few slight irregular striae. Notauli incomplete, reaching about 0.6 length of scutum. Scutellum and metanotum dull, granulated. Propodeum reticulate rugose, without longitudinal or transverse keels, with dorsal surface about as long as inclined posterior surface. Forewing with three dark transverse bands; distal part of stigmal vein longer than proximal part (13:6). Fore tarsal segments in the proportions 17:3:8:18:28. Segment 3 of fore tarsus produced into a hook. Enlarged claw ( Fig. 7 ) with a large subapical tooth and a row of 10 lamellae. Segment 5 of fore tarsus ( Fig. 7 ) with two rows of 9+17 lamellae; distal apex with a group of about 18 lamellae. Tibial spurs 1,1,2.

Male. Unknown.

Holotype: ^SOUTH AFRICA: KwaZulu-Natal: Ngoye Forest [28 ° 50'S: 31 ° 44'E], i–iv.2006, Malaise trap in closed-canopy indigenous forest, G. Davies; “ Dryinus daviesi sp. n. M. Olmi det. 2008, ^” [red label] ( NMSA).

Hosts: Unknown.

Comparison: D. daviesi belongs to Dryinus erraticus group. The female of this new species is similar to that of D. orophilus ( Benoit, 1950) , but the body is more robust and the posterior collar of the pronotum is completely black (testaceous or reddish in D. orophilus ).

Subfamily Gonatopodinae Kieffer in Kieffer & Marshall, 1906

Figures

Figs 7, 8. Chelae: (7) Dryinus daviesi sp. n., female holotype; (8) Gonatopus ntumenensis sp. n., female holotype. Scale bars = 0.14 mm.