Galeopsomyia coriolis Hansson & Hanson 2023, sp.nov.

Galeopsomyia coriolis Hansson sp.nov.

(Figs 348, 349, 1064)

Diagnosis (female). Antennal clava with distinct constriction between C1 and C2 (Fig. 1064); genal carina present; mesoscutellum (Fig. 348) with median part with weak reticulation and a weak median groove in posterior two-thirds, outer margin of submedian grooves absent, grooves with transverse and strong carinae, lateral parts with strong reticulation; dorsellum with median carina; propodeum (Fig. 348) with strong irregular carinae, callus with three setae; petiole transverse with strong sculpture on dorsal part; gaster (Fig. 348) 2.0× as long as wide, medio-basal Gt

1 with longitudinal short carinae, tergites with weak reticulation.

Female holotype: length of body 2.1mm (paratypes 1.7–2.1mm).

Scape yellowish-brown apical part brown, pedicel and flagellum dark brown. Head with frons golden-green, scrobes black, clypeus dark brown; vertex golden-green. Mesosoma golden-green with red tinges. Legs with fore coxa dark brown to black with apical part apical yellowish-brown, mid coxa pale brown, hind coxa black with metallic tinges and with apical part yellowish-brown; trochanters, femora and tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt 1 golden, Gt 2-4 metallic purple, Gt5-7 black with metallic tinges; gonoplac black.

Antenna with distinct constriction between C1 and C2. Face below level of antennal toruli with strong reticulation, clypeus smooth, frons rugose, scrobes with weak reticulation; with genal carina. Vertex with weak reticulation and shiny outside ocellar triangle, rugose inside ocellar triangle.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe, midlobe rugose on parts close to notauli; midlobe with a weak median groove in posterior half, with 12 scattered adnotaular setae. Mesoscutellum with median part with weak reticulation and a weak median groove in posterior two-thirds; outer margin of submedian grooves absent, grooves with transverse and strong carinae; lateral parts with strong reticulation and with six scattered setae. Dorsellum with strong reticulation, with median carina. Propodeum with a strong median carina that expands in posterior part; with strong irregular carinae; callus with three setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with 4&6setae on dorsal surface of submarginal vein; speculum open below; costal setal row unbroken.

Petiole transverse with strong sculpture on dorsal part. Gaster elongate; medio-basal Gt 1 with longitudinal short carinae; tergites with weak reticulation.

Relative measurements: head length, dorsal view 24.5; head length, frontal view 42; POL 10.5; OOL 5.5; lateral ocellus diameter 6; head width 54; mouth width 14; malar space 14; eye length 25; scape length 20; scape width 5; pedicel+flagellum length 62; pedicel length 7; pedicel width, dorsal view 4; F1 length 10.5; F1 width 5; F2 length 10; F2 width 5; F3 length 9.5; F3 width 5; clava length 20.5; clava width 6; C3 length 6; spicule length 2; mesosoma length 68; mesosoma width 47; midlobe of mesoscutum length 25; mesoscutellum length 26; mesoscutellum width 21.5; median part of mesoscutellum width (measured medially) 9; median part of mesoscutellum, width in anterior part 9; median part of mesoscutellum, width in posterior part 11; lateral part of mesoscutellum, width (measured medially) 4; dorsellum length 4; propodeum length 12; costal cell length 32; costal cell width (measured at widest part) 2.5; marginal vein length 30; stigmal vein length 11; gaster length 81; gaster width 41; Gt 2 length (measured medially) 10; Gt 4 length (measured medially) 15; Gt 7 length (measured medially) 9; Gt

7 width (measured at base) 12; longest cercal seta length 14; shortest cercal seta length 7.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Puntarenas, San Vito, Las Cruces, 8º47’N, 82º58’W, 1000-1300m, 7-19.ii.2007, C. Hansson (MZLU). Paratypes (4♀, MZLU, MZUCR, NHMUK): 1♀ with same label data as holotype; 2♀ COSTA RICA, Puntarenas, Estación Altamira, Sendero Los Gigantes, 9º02’N, 83º00’W, 1450m, 7.ii-5.iii.2002, C. Hansson & Parataxonomos; 1♀ COSTA RICA, Alajuela, Parque Nacional Arenal, 10°28’N, 84°45’W, 617m, 21.ii-28.ii.2005, C. Hansson.