Galeopsomyia alas 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 : 64-65

Galeopsomyia alas Hansson sp.nov.

( Figs 19 , 48, 49 , 908 , 1000)

Diagnosis (female). Antenna with solid clava (Fig. 1000); with genal carina; mesoscutellum 1.0× as long as wide, with elongate meshes ( Fig. 908 ); fore coxa with a strong carina along posterior margin and with part in front of carina concave ( Fig. 19 ), hind coxa without carina along posterior margin; propodeum with a wide median carina that splits in posterior part to form an inverted “Y” ( Fig. 48 ); petiole transverse with strong sculpture on dorsal surface; gaster 2.3× as long as wide, Gt 2 0.3× as long as Gt 4, Gt 1 with weak reticulation and partly smooth, more shiny than remaining tergites and medio-basal part with a ±rectangular-semicircular incision ( Fig. 48 ).

Female holotype: length of body 2.0mm (paratypes 2.0– 2.1mm).

Scape yellowish-brown, pedicel and flagellum brown. Head with frons metallic bluish-green, antennal scrobes black, clypeus dark brown; vertex black with metallic bluish-green tinges. Thoracic dorsum metallic bluish-green. Legs with fore and mid coxae dark brown to black, hind coxa metallic bluish-green; trochanters dark brown; fore and mid femora dark brown with apex yellowish-brown, hind femur black with metallic tinges; fore and mid tibiae yellowish-brown, hind tibia pale brown; T1–3 yellowish-white, T4 dark brown. Petiole black. Gaster with Gt 1 metallic bluish-green, Gt 2-4 golden-purple, Gt 5-6 metallic bluish-green, Gt 7 black with metallic tinges; gonoplac black.

Antenna with solid clava. Frons with strong reticulation, clypeus and scrobes with weak reticulation; with a strong genal carina that reaches level of lower margin of eye. Vertex with strong reticulation outside ocellar triangle, with wrinkled sculpture inside triangle.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes and slightly elongate on midlobe; midlobe with ten scattered adnotaular setae, without median groove. Mesoscutellum with strong reticulation, meshes elongate, submedian grooves weak, wide apart and diverging towards posterior part; anterior pair of setae placed in front of the middle of mesoscutellum. Dorsellum with strong sculpture. Propodeum with a strong and wide median carina, posterior part splits into an inverted “Y”; callus with two setae. Fore and mid coxae with weak reticulation, hind coxa with strong reticulation; fore coxa with a strong carina along posterior margin and with part in front of carina concave; hind coxa without carina along posterior margin. Fore wing with four setae on dorsal surface of submarginal vein; speculum open below and towards base of wing; costal setal row unbroken.

Petiole transverse, with strong sculpture on dorsal surface. Gaster elongate; Gt 1 with weak reticulation, partly smooth, and shiny, remaining tergites with strong reticulation; medio-basal Gt

1

with a ±rectangular-semicircular incision.

Relative measurements: head length, dorsal view 21; head length, frontal view 37; POL 11; OOL 5.5; lateral ocellus diameter 3.5; head width 45; mouth width 15; malar space 13; eye length 21; scape length 16; scape width 3.7; pedicel+flagellum length 40; pedicel length 6.5; pedicel width, dorsal view 4; F1 length 6; F1 width 4; F2 length 6; F2 width 4; F3 length 5; F3 width 4.5; clava length 12; clava width 6.2; C3 length 4.5; spicule length 1; mesosoma length 61; mesosoma width 45; midlobe of mesoscutum length 25; mesoscutellum length 24; mesoscutellum width 23; median part of mesoscutellum width (measured medially) 12; median part of mesoscutellum, width in anterior part10.5; median part of mesoscutellum, width in posterior part 16.5; lateral part of mesoscutellum, width (measured medially) 3.5; dorsellum length 2; propodeum length 8; costal cell length 32; costal cell width (measured at widest part) 3; marginal vein length 30; stigmal vein length 10; gaster length 86; gaster width 37; Gt 2 length (measured medially) 6; Gt 4 length (measured medially) 22; Gt 7 length (measured medially) 6; Gt

7

width (measured at base) 10; longest cercal seta length 12; shortest cercal seta length 5.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Heredia, 11km SE La Virgen , 10°20’N, 84°04’W, 450-550m, 23.ii-20. iv.2003, INBio, OET, ALAS ( NHMUK) . Paratypes (5♀, MZLU, MZUCR, NHMUK) : 1♀ with same label data as holotype ; 1♀ COSTA RICA, Heredia , 6km ENE Vara Blanca, 10°11’N, 84°07’W, 2000m, iii.2002, INBio, OET,ALAS ; 1♀ COSTA RICA, San José, Zurqui de Moravia , 10º03’03’’N, 84º00’22’’W, 1600m, v.1991, P. Hanson ; 2♀ from same locality as previous but collected iv.1992 .

Etymology. Named after the acronym “ALAS” = Arthropods of La Selva.

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 48–51. Galeopsomyia alas, holotype ♀ – (48) habitus dorsal view; (49) habitus lateral view. Galeopsomyia aliosa, holotype ♀ – (50) habitus dorsal view; (51) habitus lateral view.

Figs 907–914. Mesoscutellum dorsal view, holotype ♀ – (907) Galeopsomyia casacocaensis; (908) G. alas; (909) G. mynta; (910) G. corista; (911) G. ladrona; (912) G. methea; (913) G. amphis; (914) G. baldosa.