Dryinus undulatus (Benoit, 1950)

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van, 2019, Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea), Zootaxa 4630 (1), pp. 1-619 : 351-352

37. Dryinus undulatus (Benoit, 1950)

( Fig. 141F )

Lestodryinus undulatus Benoit 1950b: 226 .

Richardsidryinus undulatus (Benoit) : Olmi 1984: 919.

Dryinus undulatus (Benoit) : Olmi 2004a: 357; Guglielmino & Olmi 2006: 46; Olmi et al. 2015: 360; 2016: 77.

Description. ♀. Fully winged; body length 6.0– 7.5 mm. Head black, except mandible, clypeus and anterior region of frons (more along orbits) yellow (in specimen from Kenya, 1.00661°N 37.38631°E, clypeus brown-black); antenna testaceous, except antennomeres 3 and 6–8 and dorsal side of scape and pedicel brown (in specimen from Mozambique, 8 km N of Maúa, antenna black, except articulation between flagellomeres 1 and 2, flagellomere 8, distal half of flagellomere 2 and proximal half of flagellomere 3 whitish; in specimen from Uganda, Kampala, antenna brown, except articulation between flagellomeres 1 and 2, distal third of flagellomere 2, flagellomeres 5 and 8 whitish); propleuron black; pronotum black, except margins slightly reddish; rest of mesosoma black; metasoma brown; legs brown-black, except tarsi testaceous. Antenna clavate; antennomeres in following proportions: 6:3.5:32:19:12:6:6:4.5:4:6. Head dull, granulate and with numerous slight longitudinal keels on frons and vertex; occipital carina complete; lateral ocelli not touching occipital carina, situated behind virtual straight line joining posterior edges of eyes; OPL shorter than OL; POL = OL; TL more than twice as long as POL. In specimen from Kenya, 00°04.364’N 36°97.554’E, POL = 4; OL = 3; OOL = 14; OPL = 1; TL = 9; greatest breadth of lateral ocelli shorter than POL (2:4). In specimen from Central African Republic, 04°03’N 17°02’E, POL = 4, TL = 7. Pronotum dull, granulate, with numerous keels around disc; pronotum crossed by slight anterior transverse impression and strong posterior transverse furrow; anterior collar absent; posterior collar long; pronotal tubercle not reaching tegula. Mesoscutum and mesoscutellum dull, granulate, sculptured by numerous slight longitudinal keels. Notauli incomplete, almost reaching posterior margin of the mesoscutum. Metanotum rugose. Metapectal-propodeal disc reticulate rugose; propodeal declivity reticulate rugose, without longitudinal keels. Forewing with two dark transverse bands; distal part of 2r-rs&Rs vein much longer than proximal part (10:4). Protarsomere 1 slightly longer than 4 (15:13); protarsomere 3 produced into hook. Enlarged claw ( Fig. 141F ) with one large subdistal tooth and one row of 9 lamellae (in specimen from Kenya, 00°04.364’N 36°97.554’E, 8 lamellae + 1 seta). Protarsomere 5 ( Fig. 141F ) with two rows of about 39 lamellae; apex with at least 60 lamellae. Tibial spurs 1/1/1.

♂. Unknown.

Material examined. Type: ♀ holotype: DEMOCRATIC REPUBLIC OF THE CONGO: Kivu, Nialopul , 21.III.1929, A. Collart leg. ( MRAC) . Other material: BURUNDI: Bururi , 1♀ ( CAS). CENTRAL AFRICAN RE- PUBLIC: 150 km NWW Mbaiki , 04°03’N 17°02’E, 620 m, 14.VI.2009, J. Halada leg. , 1♀ ( OLL). KENYA: Rift Valley Prov., Ol Pejeta Conservancy, 00°04.364’N 36°97.554’E, 1825 m, MT, near Pelican Hse , next to Euclea stand, 13–27.I.2006, R. Copeland leg. , 1♀ ( NMK); Rift Valley Prov., Matthews Range , 1.00661°N 37.38631°E, 1006 m, 9–23.I.2016, MT, Sarara campsite, shrubland, R. Copeland leg. , 1♀ ( NMK). MOZAMBIQUE: Niassa Prov., approximately 8 km N of Maúa, Coração Sagrado de Jesús de Maúa Mission , reared from and adult of Elasmoscelis cimicoides Spinola, C. 11.XI.1999, B. 12.XI.1999, Sf. 1.XII.1999, M. Olmi reared , 1♀ ( MOLC) ( Olmi 2004a). UGANDA: Kampala, IV.1936, T.H.C. Taylor leg. , 1♀ ( NHMUK) .

Hosts. Lophopidae ( Guglielmino et al. 2013) : in Mozambique: Elasmoscelis cimicoides Spinola.

Distribution. Burundi, Central African Republic, Democratic Republic of the Congo, Kenya, Mozambique, Uganda.

Figures

FIGURE 141. Chelae of Dryinus species holotypes. A: D. seyrigi Benoit. B: D. shimbanus Olmi. C: D. sierranus Olmi. D: D. spangleri Olmi. E: D. whittleorum Olmi, Copeland & van Noort sp. nov. F: D. undulatus (Benoit). Scale bar: A: 0.12 mm; B: 0.18 mm; C: 0.19 mm; D: 0.23 mm; E: 0.14 mm; F: 0.15 mm.