Galeopsomyia nitida 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 : 415-416

Galeopsomyia nitida Hansson sp.nov.

( Figs 542, 543 , 848 , 990 )

Diagnosis (female). Antenna with distinct constriction between C1 and C2 ( Fig. 848 ), flagel- lum elongate, flagellum+pedicel 1.5× as long as width of mesosoma; genal carina present; mesoscutellum ( Fig. 542 ) with weak reticulation, meshes elongate, submedian grooves distinct, straight and parallel; dorsellum with median carina; propodeum ( Fig. 542 ) with strong irregular carinae and strong reticulation, median carina wide, expanded in anterior and posterior parts, callus with three setae; petiole very short, just a narrow band; gaster ( Fig. 542 ) 2.2× as long as wide, tergites with relatively weak reticulation, medio-basal Gt1 with a sharp edge shaped like an inverted U (as in Fig. 24 ), tergites with strong reticulation.

Female holotype: length of body 2.1mm (paratypes 1.7–2.2mm).

Scape yellowish-brown, pedicel dark brown, flagellum black. Face below level of toruli black with golden tinges and clypeus black, frons metallic greenish-blue with scrobes black; vertex metallic greenish-blue. Mesoscutum with sidelobes black with metallic purple tinges, midlobe golden-green; mesoscutellum and propodeum golden-green. Legs with fore coxa brown, mid coxa yellowish-brown and hind coxa yellowish-brown at apex and along anterior part, dark brown along posterior part; trochanters yellowish-white; femora, tibiae and tarsi yellowish-white to yellowish-brown. Petiole black. Gaster with Gt1 metallic golden-green, Gt 2-6 black with metallic green and purple tinges, Gt7 black; gonoplac black.

Antenna with distinct constriction between C1 and C1. Frons with strong reticulation, clypeus smooth, antennal scrobes with weak reticulation; with genal carina. Vertex with strong reticulation; with a carina between posterior ocelli in posterior part.

Mesoscutum with strong reticulation and isodiametric meshes on sidelobes, weak reticulation and elongate meshes on midlobe; midlobe with five adnotaular setae in one row. Mesoscutellum with weak reticulation, meshes elongate; submedian grooves distinct, straight and parallel; with five setae scattered over lateral parts. Dorsellum with weak sculpture, with median carina. Propodeum with a wide median carina that expands both in anterior and posterior parts; with strong irregular carinae and strong reticulation; callus with three setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with 5&6 setae on dorsal surface of submarginal vein; speculum closed; costal setal row broken.

Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt1 with a sharp edge shaped like an inverted U; tergites with strong reticulation.

Relative measurements: head length, dorsal view 22; head length, frontal view 35; POL 9; OOL 6.5; lateral ocellus diameter 4.5; head width 48; mouth width 14; malar space 12.5; eye length 21; scape length 20; scape width 4.2; pedicel+flagellum length 65; pedicel length 7; pedicel width, dorsal view 4; F1 length 10; F1 width 4.5; F2 length 10.5; F2 width 4; F3 length 9; F3 width 4; clava length 23.5; clava width 4.5; C3 length 8; spicule length 3.5; mesosoma length 63; mesosoma width 43; midlobe of mesoscutum length 23.5; mesoscutellum length 22; mesoscutellum width 22; median part of mesoscutellum width (measured medially) 9.5; median part of mesoscutellum, width in anterior part 9; median part of mesoscutellum, width in posterior part 10; lateral part of mesoscutellum, width (measured medially) 3; dorsellum length 3.5; propodeum length 10; costal cell length 34; costal cell width (measured at widest part) 2; marginal vein length 35; stigmal vein length 10; gaster length 87; gaster width 40; Gt 2 length (measured medially) 11; Gt 4 length (measured medially) 11; Gt 7 length (measured medially) 16; Gt 7 width (measured at base) 15; longest cercal seta length 16; shortest cercal seta length 5.

Male. Length of body 1.4mm.

Antenna ( Fig. 990 ) with scape widest in the middle; plaque small, dark brown and situated just above the middle; dorso-basal whorls of long setae present on F1–F4 and C1. Gaster long ovate. Otherwise as in female.

Relative measurements: head length, dorsal view 18; head length, frontal view 30; head width 41; mouth width 12; malar space 12; eye length 16; scape length 17; scape width 4; plaque length 2.5; pedicel length 5.5; pedicel+flagellum length 73; F1 length 6; F1 width 4; F2 length 10; F2 width 4; F3 length 12; F3 width 4; F4 length 12; F4 width 3.5; clava length 26; clava width 3; mesosoma length 49; mesosoma width 36; gaster length 53; gaster width 34; longest subbasal seta on F1, length 39.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Alajuela, Parque Nacional Volcan Arenal , 10º26’N, 84º43’W, 600m, 26.ii.2013, J.S. Noyes ( NHMUK) . Paratypes (20♀ 1♂, CNC, MZLU, MZUCR, NHMUK) : 2♀ COSTA RICA, Alajuela, Parque Nacional Volcan Arenal, Sendero Pilón , 10º27’N, 84º43’W, 26.ii.2013, J.S. Noyes ; 1♀ COSTA RICA, Alajuela, 7km N Boca Tapada, Laguna Lagerta Lodge , 10º41’N, 84º11’W, 55m, 18-19.ii.2018, J.S. Noyes ; 2♀ COSTA RICA, Guanacaste, Estación Pitilla , 21.ii.2011, J.S. Noyes ; 1♀ COSTA RICA, Guanacaste, Estación Cacao , 10º55’N, 85º30’W, 1100m, 22.ii.2003, J.S. Noyes ; 1♀ COSTA RICA, Heredia, Estación Biológica La Selva , 75m, 10º26’N, 84º01’W, 27-28.ii.2003, J.S. Noyes; following from same locality as previous but collected 22-24.ii.2012 (1♀), 25.ii.2016 (1♀ 1♂) ; 1♀ COSTA RICA, Limón, Reserva Biológica Hitoy-Cerere, Headquarter , 9º40’N, 83º02’W, 100m, 24- 26.ii.2008, J.S. Noyes ; 5♀ COSTA RICA, Puntarenas, San Vito, Las Cruces, Wilson Botanico , 1150m, 18-22.iii.1990, J.S. Noyes; following from same locality as previous but collected 15-16.ii.2006 (2♀), 7-19.ii.2007 (2♀), 17-18.ii.2012 (1♀) .

Etymology. From the Latin niteo = shiny, referring to the shiny thoracic dorsum.

Figures

Figs 540–543. Galeopsomyia nishidai, holotype ♀ – (540) habitus dorsal view; (541) habitus lateral view. Galeopsomyia nitida, holotype ♀ – (542) habitus dorsal view; (543) habitus lateral view.

Figs 841–849. Head incl. antennae, lateral view ♀ – (841) Galeopsomyia miria; (842) G. montanis; (843) G. moradis; (844) G. myrciae; (845) G. navia; (846) G. neotropicalis; (847) G. nicoyae; (848) G. nitida; (849) G. octava.

Figs 989–992. Head incl. antennae/body, lateral view, paratype ♂. (989) Galeopsomyia nebulosa; (990) G. nitida; (991) G. octava; (992) G. perasphondyliae.

Figs 23–28. Galeopsomyia spp., ♀, first gastral tergite (Gt1) dorsal view – (23) G. epidius; (24) G. osaensis; (25) G. fausta; (26) G. blakeae; (27) G. illydris; (28) G.devania.