Galeopsomyia idris 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 : 331-332

Galeopsomyia idris Hansson sp.nov.

( Figs 422, 423 , 1077)

Diagnosis (female). Antenna with a weak constriction between C1 and C2, and between C2 and C3 (Fig. 1077); genal carina present; mesoscutellum ( Fig. 422 ) with very weak reticulation on median part and with median groove indicated but weak, lateral parts with strong reticulation, meshes elongate, submedian grooves with outer margin mainly indistinct, straight and ±parallel; dorsellum with median carina; propodeum ( Fig. 422 ) with a narrow median carina, with strong irregular carinae and strong reticulation, callus with four setae; petiole transverse with strong sculpture on dorsal part; gaster ( Fig. 422 ) ovate, 1.7× as long as wide; medio-basal Gt1 with longitudinal short carinae, tergites with strong reticulation, gonoplac short with tip blunt ( Fig. 423 ). Small (1.4mm), predominantly dark brown species ( Figs 422, 423 ).

Female holotype: length of body 1.4mm.

Scape yellowish-brown, pedicel and flagellum dark brown. Head, mesosoma and metasoma dark brown. Legs with coxae dark brown; trochanters, femora, tibiae and tarsi yellowish-brown.

Antenna with a weak constriction between C1 and C2, and between C2 and C3. Frons with weak reticulation, clypeus smooth; with genal carina. Vertex with strong reticulation. Occipital margin with an edge behind ocellar triangle.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, ±elongate on midlobe; midlobe with a median groove in posterior half, and with five adnotaular setae in one row. Mesoscutellum with very weak reticulation on median part and with median groove indicated but weak, lateral parts with strong reticulation, meshes elongate; submedian grooves with outer margin mainly indistinct, straight and ±parallel; with five setae scattered over lat- eral parts. Dorsellum with weak sculpture and shiny, with median carina. Propodeum with a narrow median carina; with strong irregular carinae and strong reticulation; callus with four setae. Fore and mid coxae with weak reticulation and shiny, hind coxa with strong reticulation. Fore wing with three setae on dorsal surface of submarginal vein; speculum closed; costal setal row unbroken.

Petiole transverse with strong sculpture on dorsal part. Gaster ovate; medio-basal Gt 1 with longitudinal short carinae; tergites with strong reticulation; gonoplac short with tip blunt.

Relative measurements: head length, dorsal view 16; head length, frontal view 26; POL 7; OOL 5; lateral ocellus diameter 3; head width 35; mouth width 10; malar space 10; eye length 15; scape length 13; scape width 3; pedicel+flagellum length 41; pedicel length 5; pedicel width, dorsal view 3; F1 length 5.5; F1 width 3; F2 length 7; F2 width 3; F3 length 6; F3 width 3; clava length 16.5; clava width 4; C3 length 5.5; spicule length 1.5; mesosoma length 40; mesosoma width 28; midlobe of mesoscutum length 14; mesoscutellum length 14; mesoscutellum width 12.5; median part of mesoscutellum width (measured medially) 4.5; median part of mesoscutellum, width in anterior part 4.5; median part of mesoscutellum, width in posterior part 5; lateral part of mesoscutellum, width (measured medially) 2.5; dorsellum length 2; propodeum length 6.5; costal cell length 19; costal cell width (measured at widest part) 1.5; marginal vein length 21; stigmal vein length 7; gaster length 51; gaster width 30; Gt 2 length (measured medially) 6; Gt 4 length (measured medially) 9; Gt 7 length (measured medially) 5; Gt

7

width (measured at base) 11; longest cercal seta length 12; shortest cercal seta length 4.5.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined. Holotype ♀ COSTA RICA, Heredia, Chilamate, 75m, vii-viii.1989, Paul Hanson ( NHMUK).

Figures

Figs 420–423. Galeopsomyia hiata, holotype ♀ – (420) habitus dorsal view; (421) habitus lateral view. Galeopsomyia idris, holotype ♀ – (422) habitus dorsal view; (423) habitus lateral view.