Galeopsomyia nishidai 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 : 413-415

Galeopsomyia nishidai Hansson sp.nov.

( Figs 540, 541 , 852 )

Diagnosis (female). Antenna with distinct constriction between C1 and C2 ( Fig. 852 ); genal carina present; mesoscutellum ( Fig. 540 ) with submedian grooves curved and diverging towards both anterior and posterior parts, outer margin absent in anterior two-thirds, median part 3.6× as long as wide with very weak reticulation, lateral parts with strong reticulation; dorsellum with median carina; propodeum ( Fig. 540 ) with strong irregular carinae, median carina with a longitudinal fovea, callus with five setae; fore and hind coxae dark and metallic, mid coxa dark brown ( Fig. 541 ); petiole transverse with strong sculpture on dorsal part; gaster ( Fig. 540 ) 2.4× as long as wide, medio-basal Gt 1 with longitudinal carinae laterally, Gt 1 with weak reticulation, Gt 2–7 with strong reticulation.

Female holotype: length of body 2.4mm (paratypes 2.6–3.0mm).

Scape yellowish-brown with apico-dorsal part brown, pedicel and flagellum dark brown to black. Head with frons golden-green with scrobes black and clypeus dark brown; vertex golden-green. Mesosoma golden-green. Legs with fore and hind coxae black with metallic green tinges, hind coxa with anterior part yellowish-brown, mid coxa dark brown; trochanters, femora, tibiae and tarsi yellowish-brown, femora with base and T4 brown. Petiole black. Gaster with Gt 1 golden-green, Gt 2 golden-green in anterior half and metallic purple in posterior half, Gt3-5 metallic purple with sides golden-green, Gt6 golden-green, Gt 7 black; gonoplac black.

Antenna with a distinct constriction between C1 and C2. Face below level of toruli with strong reticulation, clypeus smooth, frons rugose, antennal scrobes with weak reticulation; with genal carina. Vertex with strong reticulation outside ocellar triangle, with wrinkled sculpture inside ocellar triangle; with a carina between posterior ocelli in posterior part. Occipital margin carinate.

Mesoscutum with strong reticulation, with isodiametric meshes on sidelobes, midlobe with elongate meshes on median part, rugose on parts close to notauli, with a weak median groove in posterior three-quarters; midlobe with 15 scattered setae on rugose parts. Mesoscutellum with submedian grooves curved and diverging towards both anterior and posterior parts, outer margin absent in anterior two-thirds, median part with very weak reticulation, lateral parts with strong reticulation with seven scattered setae. Dorsellum with weak sculpture, with median carina. Propodeum with a strong median carina that gradually widens towards posterior part, concave; with strong irregular carinae and strong reticulation; callus with five setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with five setae on dorsal surface of submarginal vein; speculum open below (apical seta absent); costal setal row unbroken.

Petiole transverse with strong sculpture on dorsal part. Gaster elongate; medio-basal Gt 1 with longitudinal carinae laterally; Gt 1 with weak reticulation in anterior half, tergites otherwise with strong reticulation.

Relative measurements: head length, dorsal view 25; head length, frontal view 42; POL 11; OOL 7; lateral ocellus diameter 5.2; head width 56.5; mouth width 15; malar space 14.5; eye length 23.5; scape length 21; scape width 5; pedicel+flagellum length 65; pedicel length 6.5; pedicel width, dorsal view 4.5; F1 length 10; F1 width 6; F2 length 12; F2 width 6; F3 length 10.5; F3 width 5.5; clava length 23; clava width 5.5; C3 length 7.5; spicule length 2.5; mesosoma length 73; mesosoma width 51; midlobe of mesoscutum length 32; mesoscutellum length 28.5; mesoscutellum width 23; median part of mesoscutellum width (measured medially) 8; median part of mesoscutellum, width in anterior part10; median part of mesoscutellum, width in posterior part 11; lateral part of mesoscutellum, width (measured medially) 4; dorsellum length 5; propodeum length 12; costal cell length 39; costal cell width (measured at widest part) 2.5; marginal vein length 37; stigmal vein length 14; gaster length 100; gaster width 41; Gt 2 length (measured medially) 11; Gt 4 length (measured medially) 19; Gt 7 length (measured medially) 10; Gt 7 width (measured at base) 13; longest cercal seta length 17; shortest cercal seta length 5.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Puntarenas, San Vito, Estación Biológica Las Alturas , 8°57’N, 82°50’W, 1500m, 17-18.ii.2012, J.S. Noyes ( NHMUK) . Paratypes (8♀, MZLU, MZUCR, NHMUK) : 7♀ COSTA RICA, Puntarenas , Estación Altamira, Sendero Los Gigantes, 9º02’N, 83º00’W, 1450m, 7.ii-5.iii.2002, C. Hansson & Parataxonomos ; 1♀ COSTA RICA, Puntarenas , Estación Altamira, Sendero Casa Coca, 9º02’N, 83º00’W, 1450-1700m, 7.ii-5.iii.2002, C. Hansson & Parataxonomos .

Etymology. Named in honour of Kenji Nishida for his work to investigate the biology of insects in Costa Rica, and also imaging them.

Figures

Figs 540–543. Galeopsomyia nishidai, holotype ♀ – (540) habitus dorsal view; (541) habitus lateral view. Galeopsomyia nitida, holotype ♀ – (542) habitus dorsal view; (543) 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.