Galeopsomyia eximia Hansson, 2023

Hansson, Christer & Hanson, Paul E., 2023, HYMENOPTERA: CHALCIDOIDEA), 5 The genus Galeopsomyia Girault by Christer Hansson * & Paul E. Hanson **, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 305-306

Galeopsomyia eximia Hansson sp.nov.

( Figs 384, 385 , 787 )

Diagnosis (female). Antenna with strong constriction between C1 and C2 ( Fig. 787 ), flagel- lum elongate, flagellum+pedicel 1.1× as long as width of mesosoma; genal carina present and strong; mesoscutellum ( Fig. 384 ) with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate, submedian grooves strong and slightly curved; dorsellum with median carina; hind coxa ± a weak carina along posterior margin and with 20 strong setae on posterior part; propodeum ( Fig. 384 ) with strong irregular carinae, callus with two setae; petiole very short, just a narrow band; gaster ( Fig. 384 ) 2.2× as long as wide, medio-basal Gt1 with an edge/carina shaped like an inverted U (as in Fig. 24 ).

Female holotype: length of body 2.6mm (paratypes 1.8–2.0mm).

Scape yellowish-brown with dorso-apical part brownish, pedicel and flagellum dark brown. Head with frons golden-green, parts close to eyes metallic greenish-blue, antennal scrobes black with metallic tinges, clypeus yellowish-brown; vertex metallic greenish-blue. Mesoscutum and mesoscutellum metallic greenish-blue with golden tinges; propodeum golden. Legs with fore and hind coxae golden-green, mid coxa dark brown; trochanters yellowish-brown; femora dark brown in basal half and yellowish-brown in apical half; tibiae yellowish-brown to yellowish-white; T1–3 yellowish-white, T4 pale brown. Petiole black. Gaster with Gt1 metallic greenish-blue, Gt2-6 golden-green with blue tinges, Gt7 golden in basal half, black in apical half; gonoplac black.

Antenna with a strong constriction between C1 and C2. Face below level of toruli with strong reticulation, clypeus smooth, frons rugose, antennal scrobes with weak reticulation; genal carina reaching level of lower margin of eye. Vertex with strong reticulation outside ocellar triangle, with wrinkled sculpture inside ocellar triangle.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with a weak median groove, and with 12 scattered adnotaular setae. Mesoscutellum with weak reticulation on median part, lateral parts with stronger reticulation, meshes elongate; submedian grooves strong and slightly curved; with ten setae scattered over lateral parts. Dorsellum with weak reticulation, with median carina. Propodeum with complete median carina and with some irregular carinae on either side; part close to paraspiracular carina with strong reticulation; callus with two setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation; hind coxa ± a weak carina along posterior margin and with 20 strong setae on posterior part. Fore wing with eight setae on dorsal surface of submarginal vein; speculum open at apex; costal setal row unbroken.

Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt1 with an edge/ carina shaped like an inverted U; tergites with strong reticulation.

Relative measurements: head length, dorsal view 25; head length, frontal view 38; POL 10.5; OOL 6; lateral ocellus diameter 5; head width 54; mouth width 16; malar space 14; eye length 22; scape length 18.5; scape width 4.5; pedicel+flagellum length 56; pedicel length 7; pedicel width, dorsal view 4; F1 length 8.5; F1 width 5; F2 length 8.5; F2 width 4.5; F3 length 8; F3 width 4.5; clava length 20; clava width 5; C3 length 7; spicule length 1; mesosoma length 73; mesosoma width 51; midlobe of mesoscutum length 33; mesoscutellum length 28; mesoscutellum width 25; median part of mesoscutellum width (measured medially) 11; median part of mesoscutellum, width in anterior part12; median part of mesoscutellum, width in posterior part 12; lateral part of mesoscutellum, width (measured medially) 4.5; dorsellum length 3; propodeum length 9; costal cell length 40; costal cell width (measured at widest part) 3; marginal vein length 34; stigmal vein length 11; gaster length 110; gaster width 51; Gt 2 length (measured medially) 10; Gt 4 length (measured medially) 22; Gt 7 length (measured medially) 14; Gt 7 width (measured at base) 14; longest cercal seta length 16; shortest cercal seta length 6.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Alajuela, Parque Nacional Volcan Arenal , 10º26’N, 84º43’W, 600m, 26.ii.2013, J.S. Noyes ( NHMUK) . Paratypes (4♀, MZLU, NHMUK) : 2♀ with same label data as holo- type; 1♀ COSTA RICA, Alajuela, Parque Nacional Arenal , 10°28’N, 84°45’W, 617m, 21.ii-28.ii.2005, C. Hansson ; 1♀ COSTA RICA, Puntarenas, Estación Altamira, Sendero Los Gigantes , 9º02’N, 83º00’W, 1450m, 7.ii-5.iii.2002, yellow pan trap, C. Hansson & Parataxonomos .

Figures

Figs 384–387. Galeopsomyia eximia, holotype ♀ – (384) habitus dorsal view; (385) habitus lateral view. Galeopsomyia faina, holotype ♀ – (386) habitus dorsal view; (387) habitus lateral view.

Figs 784–790. Head incl. antennae, lateral view ♀ – (784) Galeopsomyia eridana; (785) G. evgenyzakharovi; (786) G. elisia; (787) G. eximia; (788) G. faina; (789) G. falla; (790) G. fernandezi.

Figs 23–28. Galeopsomyia spp., ♀, first gastral tergite (Gt1) dorsal view – (23) G. epidius; (24) G. osaensis; (25) G. fausta; (26) G. blakeae; (27) G. illydris; (28) G.devania.