Dryinus aethiopicus ( Olmi, 1984 )

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van, 2019, Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea), Zootaxa 4630 (1), pp. 1-619 : 361-362

45. Dryinus aethiopicus ( Olmi, 1984)

( Figs 144D , 145A, B , 147A )

Mesodryinus aethiopicus Olmi 1984: 1008 .

Dryinus aethiopicus (Olmi) : Olmi 2004a: 357; Olmi et al. 2015: 356; 2016: 73.

Description. ♀ ( Figs 145A, B ). Fully winged; body length 5.3–6.9 mm. Head black, except mandible and clypeus ferruginous; propleuron black; pronotum black, except margins and posterior collar reddish; rest of mesosoma black; metasoma black-brown, some× with apex reddish; legs testaceous, except coxae and clubs of femora black or brown. Antenna clavate; antennomeres in following proportions: 16:6:27:19:14:11:9:9:8:10. Head shiny, completely reticulate rugose; occipital carina complete; OL shorter than POL; OPL shorter than OL. In specimen from Kenya, 00°61.517’S 34°09.200’’E, POL = 6; OL = 5; OOL = 11; OPL = 2; temple absent; greatest breadth of lateral ocelli longer than OPL (3:2). Pronotum dull, granulate, not humped, crossed by slight anterior and posterior transverse impressions; posterior collar short, slightly visible; pronotal tubercle not reaching tegula. Mesoscutum dull, granulate and reticulate rugose. Notauli absent. Mesoscutum with two longitudinal keels on place of notauli and reaching approximately 0.5 × length of mesoscutum. Mesoscutellum dull, granulate and partly reticulate rugose. Metanotum completely reticulate rugose. Metapectal-propodeal disc reticulate rugose; propodeal declivity reticulate rugose, with two long longitudinal keels. Forewing with two dark transverse bands; distal part of 2r-rs&Rs vein longer than proximal part (20:13). In holotype, protarsomere 1 about as long as 4; protarsomere 3 produced into hook. In specimen from Kenya, 00°61.517’S 34°09.200’E, Protarsomeres in following proportions: 16:4:8:16:31. Protrochanter about twice as long as broad. Enlarged claw ( Fig. 144D ) without subdistal teeth and with three distal lamellae. Protarsomere 5 ( Fig. 144D ) with two rows of approximately 42 lamellae extending continuously to apex (one row is composed of very long lamellae). Tibial spurs 1/1/2.

♂. Fully winged; body length 4.4 mm. Head black, except mandible and clypeus testaceous; antenna testaceous; mesosoma black; metasoma brown; legs testaceous, except coxae and clubs of femora black. Antenna filiform; antennomeres in following proportions: 9:6:20:13:13:14:12:11:9:12. Head shiny, reticulate rugose; occipital carina incomplete; lateral ocelli not touching occipital carina; OL shorter than POL; OPL shorter than OL; temple very short. Mesoscutum shiny, reticulate rugose. Notauli absent. Mesoscutellum dull, granulate, with some areolae. Metanotum reticulate rugose. Metapectal-propodeal disc reticulate rugose; propodeal declivity reticulate rugose, without longitudinal keels. Forewing hyaline, without dark transverse bands; distal part of 2r-rs&Rs vein longer than proximal part (17:9). Genitalia in Fig. 147A . Tibial spurs 1/1/2.

Material examined. Types: ♀ holotype: SIERRA LEONE: Njala , VII.1928, E. Hargreaves leg. (NHMUK) .

Paratypes: CENTRAL AFRICAN REPUBLIC: Boukoko, 1♀, 1♂ (MNHN) . SIERRA LEONE: same locality label as holotype, 11.VII.1925, on cotton leaf, 1♀ (NHMUK); Freetown, 1♀ (AEIC) . Other material: KENYA: Nyanza Prov. , Ungoye, ICIPE Field Station, 00°61.517’S 34°09.200’E, 1147 m, MT, inside seasonally swampy forest, 25.V–8.VI.2006, R. Copeland leg., 1♀ (NMK) .

Hosts. In Central African Republic: unidentified Dictyopharidae (Olmi 1984).

Distribution. Central African Republic, Kenya, Sierra Leone.

Figures

FIGURE 144. A: ♂ genitalia of Dryinus turneri Olmi, Copeland & Guglielmino, from Zimbabwe, Chishawasha. B–E: chelae of Dryinus species holotypes: B: D. ugandanus Olmi; C: D. constantiae Olmi (syn. of D. ugandanus); D: D. aethiopicus (Olmi); E: D. aberrans Benoit. Scale bar: A: 0.15 mm; B: 0.12 mm; C, D: 0.14 mm; E: 0.17 mm.

FIGURE 145. A, B: Dryinus aethiopicus (Olmi), ♀ holotype in dorsal (A) and lateral (B) view. C, D: Dryinus bekilyensis (Ben- oit), ♀ holotype in lateral (C) and dorsal (D) view. Scale bar: A: 3.97 mm; B: 3.31 mm; C, D: 4.23 mm.

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.