Galeopsomyia graciliclava 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 : 323-324

Galeopsomyia graciliclava Hansson sp.nov.

( Figs 17 , 410, 411 , 797 )

Diagnosis (female). Antenna with a slender clava with a weak constriction between C1 and C2, spicule long ( Fig. 797 ); genal carina present ( Fig. 17 ); mesoscutellum ( Fig. 410 ) transverse, 0.9× as long as wide, flattened, with submedian grooves distinct and parallel, median part with weak reticulation; dorsellum without median carina; propodeum ( Fig. 410 ) with strong reticulation, callus with four setae; petiole very short, just a narrow band; gaster ( Fig. 410 ) 1.9× as long as wide, medio-basal Gt1 with longitudinal short carinae, tergites with very strong reticulation; body black with metallic tinges ( Figs 410, 411 ).

Female holotype: length of body 1.8mm.

Scape, pedicel and F1 yellowish-brown, F2-3 and C1 yellowish-brown ventrally and brown dorsally, C2–3 brown. Head with frons black with metallic blue tinges, antennal scrobes and clypeus black; vertex black with metallic tinges. Mesosoma black with metallic tinges. Legs with coxae black; fore and mid trochanters dark brown, hind trochanter yellowish-brown; fore and mid femora dark brown, hind femur yellowish-brown; tibiae and tarsi yellowish-white. Petiole black. Gaster black with metallic tinges; gonoplac black.

Antenna with a weak 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.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe without median groove, with eight scattered adnotaular setae. Mesoscutellum flat, with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate; submedian grooves distinct, straight and parallel; with seven setae scattered over lateral parts. Dorsellum with weak sculpture, without median carina. Propodeum with a strong median carina that expands posteriorly; with strong reticulation; callus with four setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with three setae on dorsal surface of submarginal vein; speculum closed; costal setal row broken.

Petiole very short, just a narrow band. Gaster ovate-elongate; medio-basal Gt 1 with longitudinal short carinae; tergites with very strong reticulation.

Relative measurements: head length, dorsal view 22; head length, frontal view 34; POL 8.2; OOL 6.5; lateral ocellus diameter 4; head width 47; mouth width 19; malar space 12; eye length 20; scape length 18; scape width 4.5; pedicel+flagellum length 51; pedicel length 6.5; pedicel width, dorsal view 3.5; F1 length 7; F1 width 4; F2 length 9; F2 width 4; F3 length 9; F3 width 4; clava length 17; clava width 5; C3 length 6; spicule length 1.5; mesosoma length 58; mesosoma width 43; midlobe of mesoscutum length 16.5; mesoscutellum length 19; mesoscutellum width 22.5; median part of mesoscutellum width (measured medially) 7.5; median part of mesoscutellum, width in anterior part 7.5; median part of mesoscutellum, width in posterior part 7.5; lateral part of mesoscutellum, width (measured medially) 5.5; dorsellum length 2.5; propodeum length 10.5; costal cell length 31; costal cell width (measured at widest part) 3; marginal vein length 26; stigmal vein length 9; gaster length 67; gaster width 36; Gt 2 length (measured medially) 9; Gt 4 length (measured medially) 11.5; Gt 7 length (measured medially) 6; Gt

7

width (measured at base) 14; longest cercal seta length 13; shortest cercal seta length 6.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

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

Etymology. From the Latin gracilis = slender, and clava = club, referring to slender antennal clava.

Figures

Figs 15–22. Galeopsomyia spp., ♀. 15–17. Head lateral view – (15) G. seminarum; (16) G. noyesi (arrow pointing at short genal carina); (17) G. graciliclava (arrow pointing at long genal carina). 18–19. Fore coxa lateral view – (18) G. myrsineae (arrow pointing at carina along anterior margin); (19) G. alas (arrow pointing at carina along posterior margin). 20–21. Hind coxa lateral view – (20) G. noyesi; (21) G. aliosa (arrow pointing at carina along posterior margin). 22. G. carinifer, dorsellum (arrow pointing at median carina).

Figs 408–411. Galeopsomyia gouaniae, holotype ♀ – (408) habitus dorsal view; (409) habi- tus lateral view. Galeopsomyia graciliclava, holotype ♀ – (410) habitus dorsal view; (411) habitus lateral view.

Figs 791–798. Head incl. antennae, lateral view ♀ – (791) Galeopsomyia fieris; (792) G. giria; (793) G. gonzalezi; (794) G. gavia; (795) G. flora; (796) G. gridis; (797) G. graciliclava; (798) G. hesperis.