Galeopsomyia ajax 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 : 215-216

Galeopsomyia ajax Hansson sp.nov.

( Figs 252, 253 , 918 , 1056)

Diagnosis (female). Antennal clava solid and asymmetric (Fig. 1056), scape dark brown, flagellum relatively slender, flagellum+pedicel 1.7× as long as width of mesoscutum; midlobe of mesoscutum with weak reticulation ( Fig. 252 ); mesoscutellum ( Fig. 918 ) with median part 3.6× as long as wide, without median groove, submedian grooves with outer margin absent, curved and diverging towards posterior part; dorsellum with median carina; propodeum ( Fig. 252 ) with strong irregular carinae and strong reticulation; fore and mid coxae dark brown, hind coxa weak metallic blue ( Fig. 253 ); petiole transverse with strong sculpture on dorsal part; gaster ( Fig. 252 ) 2.2× as long as wide, tergites with weak reticulation; mesosoma metallic blue ( Figs 252, 253 ).

Female holotype: length of body 1.6mm.

Antenna dark brown. Head black with metallic blue tinges, clypeus dark brown. Mesoscutum black with metallic bluish-green tinges; mesoscutellum metallic bluish-green; propodeum black with weak metallic blue tinges. Legs with coxae dark brown with metallic tinges; trochanters yellowish-brown; femora brown; tibiae and tarsi yellowish-brown, T4 brown. Petiole black. Gaster with Gt 1 with weak purplish tinges, Gt 2-5 dark brown with metallic tinges, Gt 6 black with metallic bluish tinges, Gt 7 black; gonoplac black.

Antenna with solid clava, asymmetric. Frons with strong reticulation, clypeus smooth, antennal scrobes with weak reticulation; with genal carina. Vertex with strong reticulation outside ocellar triangle, with wrinkled sculpture inside ocellar triangle.

Mesoscutum with weak reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with a weak median groove in posterior half, and with six scattered adnotaular setae. Mesoscutellum with submedian grooves with outer margin absent, median part with very weak reticulation, lateral parts with strong reticulation, with six scattered setae. Dorsellum with weak sculpture, with median carina. Propodeum with a strong median carina that expands in posterior part; with strong irregular carinae and strong reticulation; callus with two setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with four setae on dorsal surface of submarginal vein; speculum closed; costal setal row unbroken.

Petiole transverse with strong sculpture on dorsal part. Gaster elongate; tergites with weak reticulation.

Relative measurements: head length, dorsal view 17; head length, frontal view 30; POL 8; OOL 5.5; lateral ocellus diameter 3; head width 39; mouth width 10; malar space 11; eye length 16; scape length 14.5; scape width 3; pedicel+flagellum length 51; pedicel length 5; pedicel width, dorsal view 3.2; F1 length 6; F1 width 3.3; F2 length 8; F2 width 3.8; F3 length 8.5; F3 width 4; clava length 16; clava width 4; C3 length 5.5; spicule length 2; mesosoma length 44; mesosoma width 31; midlobe of mesoscutum length 17; mesoscutellum length 18; mesoscutellum width 15; median part of mesoscutellum width (measured medially) 5; median part of mesoscutellum, width in anterior part 6; median part of mesoscutellum, width in posterior part 7; lateral part of mesoscutellum, width (measured medially) 2.5; dorsellum length 2.5; propodeum length 8.5; costal cell length 23; costal cell width (measured at widest part) 2; marginal vein length 28; stigmal vein length 8; gaster length 62; gaster width 28; Gt 2 length (measured medially) 7.5; Gt 4 length (measured medially) 10.5; Gt 7 length (measured medially) 7; Gt

7

width (measured at base) 8; longest cercal seta length 10; shortest cercal seta length 3.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Puntarenas, Estación Altamira, Sendero Casa Coca , 9º02’N, 83º00’W, 1450-1700m, 7.ii-5.iii.2002, swept, C. Hansson & parataxonomos ( MZLU).

Figures

Figs 252–255. Galeopsomyia ajax, holotype ♀ – (252) habitus dorsal view; (253) habitus lateral view. Galeopsomyia alambra, holotype ♀ – (254) habitus dorsal view; (255) habitus lateral view.

Figs 915–923. Mesoscutellum dorsal view, holotype ♀ – (915) Galeopsomyia nebulosa; (916) G. chrysops; (917) G. daleskeyae; (918) G. ajax; (919) G. philodendrae; (920) G. maculifer; (921) G. aramis; (922) G. hiata; (923) G. palotis.