Crovettia afra 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 : 61-63

1. Crovettia afra Olmi, Copeland & van Noort , sp. nov.

( Figs 18D, E , 19 , 20 A–C)

Diagnosis. ♀ and ♂ of Crovettia with head and mesoscutum granulate ( Fig. 19 ); 2r-rs&Rs vein straight and with apex not broadened ( Fig. 18D ); metapectal-propodeal disc and propodeal declivity reticulate rugose.

Description. ♀. Fully winged; body length 1.6–1.7 mm. Head black, except mandible testaceous; antenna testaceous; mesosoma black; metasoma brown; legs yellow-testaceous. Antenna clavate; antennomeres in following proportions: 5:5:4.5:4.5:4.5:4.5:4.5:4.5:4:7. Head dull, granulate; frontal line absent; occipital carina complete; POL = 5; OL = 3; OOL = 3.5; OPL = 3; TL = 4; greatest breadth of lateral ocelli shorter than OL (2:3). Mesoscutum and mesoscutellum dull, granulate. Notauli absent. Metanotum dull, rugose. Metapectal-propodeal disc dull, reticulate rugose, without transverse posterior keel; propodeal declivity with tracks of two longitudinal keels. Forewing hyaline, without dark transverse bands; 2r-rs&Rs vein straight and with apex not broadened (as in Fig. 18D ); pterostigma large and black, occasionally brown. Tibial spurs 1/1/2.

♂. Fully winged ( Fig. 19 ); body length 1.4–1.8 mm (holotype 1.4 mm). Head black, except mandible testaceous; antenna brown or testaceous; mesosoma black; metasoma brown; legs completely yellow-testaceous, or testaceous, except meso- and metafemur, meso- and metatibia and last tarsomere darkened. Antenna filiform; antennomeres in following proportions: 3.5:3.5:3:3:3.5:4:4.5:5:5:7. Head ( Fig. 19C ) dull, granulate; frontal line incomplete, present in anterior third of frons; occipital carina complete; POL = 5; OL = 3; OOL = 4; OPL = 1; TL = 3; greatest breadth of lateral ocelli shorter than OL (2:3). Mesoscutum and mesoscutellum dull, granulate. Notauli absent or incomplete (in holotype reaching about 0.5 × length of mesoscutum). Metanotum dull, rugose. Metapectal-propodeal disc dull, reticulate rugose, without transverse posterior keel; propodeal declivity without longitudinal keels. Forewing ( Fig. 19D ) hyaline, without dark transverse bands; 2r-rs&Rs vein straight and with apex not broadened ( Fig. 18D ); pterostigma large and black, occasionally brown. Paramere much ( Fig. 20A ) or slightly ( Figs 20B, C ) longer than penis; basivolsella usually with two distal bristles ( Figs 20 A-C), rarely (in specimen from Kenya, 0.62884°S 36.42969°E) with one distal bristle. Tibial spurs 1/1/2.

Material examined. Types: ♂ holotype (CASTYPE19454): MADAGASCAR: Antsiranana, Montagne d’Ambre National Park, 12°30‘52‘‘S 49°10‘53‘‘E, 960 m, 19.III–6.IV.2001, MT, MA-01-01A-09, R. Harin’Hala leg. ( CAS) . Paratypes: KENYA: Coast Prov., Arabuko-Sokoke Forest , 3.30958°S 39.96538°E, 80 m, 15–29.XII.2014, MT in bush outside forest, R. Copeland leg. , 1♂ ( NMK); Coast Prov., Taita Hills, Mwatate area , 3.48444°S 38.33251°E, 1011 m, 13–27.XII.2011, MT, below Bura Bluff, riverine forest, R. Copeland leg., MO/346 , 1♂ ( MOLC); Coast Prov., Muhaka Forest , 4.32664°S 39.52462°E, 41 m, 1–15.XI.2014, MT, indigenous forest, R. Copeland leg. , 1♀ ( NMK); same locality label, 7–21.II.2015 , 1♀ ( NMK); same locality label, 27.XII.2015 – 9.I.2016 , 1♂ ( NMK); same locality label, 5–19.XI.2015 , 1♀ ( NMK); same locality label, 27.IX–11.X.2015 , 1♀ ( NMK); Rift Valley Prov., Mlozi, Naivasha , 0.62884°S 36.42969°E, 1909 m, 5–6.VII.2015, MT, Acacia xanthophloea woodland, R. Copeland leg., MO/347 , 1♂ ( MOLC). MADAGASCAR: Antsiranana, Montagne d’Ambre National Park , 12°31.13‘S 49°10.45‘E, 1125 m, 6–21.IV.2001, MT, MA-01-01D-07, R. Harin’Hala leg. , 1♂ ( MOLC); Antsiranana, Montagne d’Ambre National Park , 12°31S 49°11‘‘E, 975 m, 4–10.III.2001, MT, M.E. Irwin, E.I. Schlinger & R. Harin’Hala leg., MA-01-01B-06 , 1♀ ( CAS); Fianarantsoa, Ranomafana National Park, Vohiparara , 21°13.57‘S 47°22.19‘E, at broken bridge, 1110 m, 15–21.XII.2001, MT, high altitude rainforest, R. Harin’Hala leg., MA-02-09A-07 , 2♂♂ ( CAS, MOLC); same locality label, 6–15.XII.2001, MA-02-09A-06 , 1♂ ( CAS); Fianarantsoa, Ranomafana National Park , radio tower at forest edge, 21°15.05‘S 47°24.43‘E, 1130 m, 15–21.XII.2001, MT, mixed tropical forest, R. Harin’Hala leg., MA-02-09B-07 , 1♂ ( CAS); same locality label, 22–28.XI.2001, MA-02-09B-04 , 1♂ ( CAS) , 1♀ ( MOLC); same locality label, 14–21.I.2002, MA-02-09B-12 , 1♀ ( MOLC); same locality label, 27.VI–7.VII.2003, MA-02-09B-65 , 1♀ ( CAS); Fianarantsoa, Ranomafana National Park, Belle Vue at Talatakely , 21°15.99’S 47°25.21’E, 1020 m, 8–15.XI.2001, MT, secondary tropical forest, MA-02-09C-02, R. Harin’Hala leg. , 1♂ ( CAS); same locality label, 4–16.V.2003, MA-02-09C-60 , 1♀ ( CAS); same locality label 22–28.XI.2001, MA- 02-09C-04 , 1♂ ( CAS); same locality label, 16.X–8.XI.2001, MA-02-09C-01 , 1♂ ( CAS) .

Hosts. Unknown.

Distribution. Kenya, Madagascar.

Etymology. The species is named afra after the collection site in the Afrotropical region.

Figures

FIGURE 18. Crovettia sp. ♀ n dorsal (A) and lateral (B) view. Crovettia afra Olmi, Copeland & van Noort sp. nov.: head in frontal view of ♂ specimen from Kenya, Muhaka Forest (C); forewing of holotype (D). Scale bar: A: 2.2 mm; B: 1.84 mm; C: 0.79 mm; D: 0.8 mm.

FIGURE 19. Crovettia afra Olmi, Copeland & van Noort sp. nov., ♂ holotype: habitus in dorsal (A) and lateral (B) view; head in frontal view (C); forewing (D).

FIGURE 20. ♂ genitalia of Crovettia afra Olmi, Copeland & van Noort sp. nov.: A: holotype; B: specimen from Madagascar, 21°15.99’S 47°25.21’E; C: specimen from Kenya, 3.30958°S 39.96538°E. Scale bar: A: 0.20 mm; B: 0.16 mm; C: 0.19 mm.