Galeopsomyia falla Hansson sp.nov.

(Figs 388, 389, 789, 942)

Diagnosis (female). Antenna with a constriction between C1 and C2 (Fig. 789); genal carina present; mesoscutellum (Fig. 388) with strong reticulation with elongate meshes; submedian grooves distinct, slightly curved and diverging towards posterior part, with a strong and complete median groove; propodeum (Fig. 388) with strong reticulation and some irregular carinae, callus with two setae; gaster (Fig. 388) 2.6× as long as wide with apex pointed, medio-basal Gt1 with sharp edges laterally.

Female holotype: length of body 2.8mm (paratypes 1.9–3.5mm).

Scape yellowish-brown, pedicel brown, flagellum dark brown. Head with frons golden-green with scrobes black with metallic tinges and clypeus dark brown; vertex metallic bluish-green. Mesosoma golden-green. Legs with coxae golden-green; trochanters yellowish-brown; fore and mid femora with basal half to two-thirds dark brown, hind femur black with golden-green tinges, apical part on all femora yellowish-brown; tibiae and tarsi yellowish-white to yellowish-brown, T4 pale brown. Petiole black. Gaster golden-green, Gt2-5 golden-purple dorsally, Gt

7 black; gonoplac black.

Antenna with a 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; with a carina between posterior ocelli in posterior part.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with a median groove in posterior half, with 15 adnotaular setae in two rows. Mesoscutellum with strong reticulation with elongate meshes; with a strong and complete median groove; submedian grooves distinct, slightly curved and diverging towards posterior part; with six setae scattered over lateral parts. Dorsellum with strong reticulation, without median carina. Propodeum with a strong median carina that is expanded in posterior part; with some 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 five setae on dorsal surface of submarginal vein; speculum closed; costal setal row broken.

Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt 1 with sharp edges laterally; tergites with weak reticulation.

Relative measurements: head length, dorsal view 25; head length, frontal view 41; POL 10.5; OOL 5.5; lateral ocellus diameter 5; head width 55; mouth width 16; malar space 14.5; eye length 24.5; scape length 19; scape width 5; pedicel+flagellum length 62; pedicel length 7.5; pedicel width, dorsal view 4; F1 length 9.5; F1 width 5; F2 length 10.5; F2 width 5; F3 length 10; F3 width 5; clava length 21.5; clava width 5.5; C3 length 6.5; spicule length 1.5; mesosoma length 74; mesosoma width 51; midlobe of mesoscutum length 31; mesoscutellum length 27; mesoscutellum width 21.5; median part of mesoscutellum width (measured medially) 8.5; 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) 5.5; dorsellum length 3.5; propodeum length 11.5; costal cell length 40; costal cell width (measured at widest part) 2.5; marginal vein length 34; stigmal vein length 10.5; gaster length 131; gaster width 50; Gt 2 length (measured medially) 13; Gt 4 length (measured medially) 21.5; Gt 7 length (measured medially) 18; Gt 7 width (measured at base) 13; longest cercal seta length 16; shortest cercal seta length 6.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Puntarenas, Estación Altamira, Estación, 9º02’N, 83º00’W, 1450m, 7.ii-5.iii. 2002, malaise trap, C. Hansson & Parataxonomos (MZLU) . Paratypes (33♀, CNC, MZLU, MZUCR, NHMUK): 10♀ COSTA RICA, Puntarenas, Estación Altamira, Sendero Los Gigantes, 9º02’N, 83º00’W, 1450m, 7.ii-5.iii.2002, yellow pan trap, C. Hansson & Parataxonomos ; 3♀ COSTA RICA, Puntarenas, Estación Altamira, Sendero Casa Coca, 9º02’N, 83º00’W, 1450-1700m, 7.ii-5.iii.2002, C. Hansson & Parataxonomos ; 5♀ COSTA RICA, Puntarenas, San Vito, Las Cruces, 8º47’N, 82º58’W, 1000-1300m, 7-19.ii.2007, C. Hansson ; 7♀ COSTA RICA, Puntarenas, Estación Biológica Monteverde, 10º20′N, 84º49′W, 1540m, 26.ii.2007, J.S. Noyes ; 1♀ COSTA RICA, Puntarenas, Reserva Privada Karen Mogensen, 9º52′N, 85º03′W, 305m, 14-15.ii.2005, J.S. Noyes ; 1♀ COSTA RICA, Alajuela, Parque Nacional Arenal, Sendero Ceibo, 10º27’N, 84º41’W, 22-23.ii.2016, J.S. Noyes ; 1♀ COSTA RICA, Alajuela, Parque Nacional Arenal, 10°28’N, 84°45’W, 617m, 21-28.ii.2005, C. Hansson ; 1♀ COSTA RICA, Guanacaste, Zona Protectorada Tenorio, Río San Lorenzo, Tierras Morenas, LN 287800_ 427600, 1050m, viii.1994, malaise trap, G. Rodriguez ; 1♀ COSTA RICA, Heredia, Santo Domingo, Parque Ecológico, 09º59′N 84º06′W, 1100m, 9.ii.2018, J.S. Noyes ; 1♀ COSTA RICA, Heredia, Estación Biológica La Selva, 100-200m, 10º26’N, 84º01’W, 30-31.iii.2002, swept, J.A. Azofeifa (NHMUK) ; 1♀ COSTA RICA, Limón, Reserva Biológica Hitoy-Cerere, 9°40’N, 83°02’W, 100m, 24-25.ii.2004, J.S. Noyes ; 1♀ COSTA RICA, San José, San Gerardo de Dota, 9º34’N, 83º43’W, 18-20.ii.2010, J.S. Noyes .