Galeopsomyia opima Hansson, 2023

Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 424-425

Galeopsomyia opima Hansson sp.nov.

( Figs 554, 555 , 855 )

Diagnosis (female). Antenna with constriction between C1 and C2 ( Fig. 855 ); with a short genal carina close to mouth opening; mouth wide, 1.6× malar space; mesoscutellum ( Fig. 554 ) 1.2× as long as wide, with weak reticulation on median part and with a ±complete median groove, lateral parts with strong reticulation, meshes elongate, submedian grooves distinct, ±straight and parallel; dorsellum with median carina; propodeum ( Fig. 554 ) with strong reticulation, callus with two setae; petiole very short, just a narrow band; gaster ( Fig. 554 ) 3.9× as long as wide, Gt 7 2.2× as long as width at base, medio-basal Gt1 with longitudinal short carinae, tergites with strong reticulation.

Female holotype: length of body 3.9mm.

Scape yellowish-brown with dorsal edge darkened, pedicel and flagellum dark brown. Head with lower half of frons golden-green, upper half of frons and vertex metallic bluish-green, antennal scrobes black, clypeus dark brown. Mesosoma metallic bluish-green with dorsellum and propodeum golden-green. Legs with coxae metallic bluish-green; trochanters pale brown; femora dark brown with metallic tinges and with apical one-third yellowish-brown; tibiae and tarsi yellowish-brown, T4 brown. Petiole black. Gaster with Gt1,6 metallic bluish-green, Gt2-5 metallic purple, Gt

7

black; gonoplac yellowish-brown.

Antenna with a constriction between C1 and C2. Frons with strong reticulation, clypeus with weak reticulation; with a short and weak genal carina close to mouth opening. Vertex with strong reticulation outside ocellar triangle, inside triangle with wrinkled sculpture.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes and elongate on midlobe; midlobe with 14 scattered adnotaular setae, with a median groove in posterior half. Mesoscutellum with weak reticulation on median part and with a ±complete median groove, lateral parts with strong reticulation, meshes elongate; submedian grooves distinct, ±straight and parallel; with 16 setae scattered over lateral parts. Dorsellum with strong reticulation, with median carina. Propodeum with strong reticulation; callus with two setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with seven setae on dorsal surface of submarginal vein; speculum closed; costal setal row unbroken.

Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt1 with longitudinal short carinae; tergites with strong reticulation.

Relative measurements: head length, dorsal view 34; head length, frontal view 58; POL 14; OOL 9; lateral ocellus diameter 5.5; head width 69; mouth width 33; malar space 21; eye length 30; scape length 25; scape width 6; pedicel+flagellum length 75; pedicel length 10; pedicel width, dorsal view 4.5; F1 length 13; F1 width 5.5; F2 length 13; F2 width 5.5; F3 length 13; F3 width 5.5; clava length 23; clava width 6.5; C3 length 7; spicule length 2; mesosoma length 94; mesosoma width 67; midlobe of mesoscutum length 41; mesoscutellum length 37; mesoscutellum width 31.5; median part of mesoscutellum width (measured medially) 13; median part of mesoscutellum, width in anterior part12; median part of mesoscutellum, width in posterior part 14; lateral part of mesoscutellum, width (measured medially) 7.5; dorsellum length 5; propodeum length 10.5; costal cell length 51; costal cell width (measured at widest part) 4.5; marginal vein length 49; stigmal vein length 16; gaster length 197; gaster width 50; Gt 2 length (measured medially) 21; Gt 4 length (measured medially) 34; Gt 7 length (measured medially) 38; Gt 7 width (measured at base) 17; longest cercal seta length 13; shortest cercal seta length 8.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ labelled “ACG8” [ COSTA RICA, Guanacaste, Area de Conservación Guanacaste , no date] ( MZLU).

Figures

Figs 552–555. Galeopsomyia opala, holotype ♀ – (552) habitus dorsal view; (553) habitus lateral view. Galeopsomyia opima, holotype ♀ – (554) habitus dorsal view; (555) habitus lateral view.

Figs 850–855. Head incl. antennae, lateral view ♀ – (850) Galeopsomyia myrsineae; (851) G. osaensis; (852) G. nishidai; (853) G. noblitis; (854) G. opala; (855) G. opima.