Galeopsomyia allisonbrownae 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 : 221-222

Galeopsomyia allisonbrownae Hansson sp.nov.

( Figs 262, 263 , 1058)

Diagnosis (female). Antenna with distinct constriction between C1 and C2 (Fig. 1058); genal carina present; mesoscutellum ( Fig. 262 ) with submedian grooves straight and ±parallel, median part with very weak reticulation; dorsellum without median carina; propodeum ( Fig. 262 ) with strong carinae and strong reticulation, callus with two setae; fore and mid coxae pale brown, hind coxa dark brown to black ( Fig. 263 ); petiole transverse with strong sculpture on dorsal part, with anterolateral corners as sharp points ( Fig. 262 ); gaster ( Fig. 262 ) ovate, 1.4× as long as wide, tergites with strong reticulation, gonoplac short with tip blunt. Small (1.6mm), predominantly dark brown to black species ( Figs 262, 263 ).

Female holotype: length of body 1.6mm.

Scape yellowish-brown, pedicel pale brown, flagellum dark brown. Head dark brown to black. Mesoscutum, mesoscutellum and propodeum dark brown to black. Legs with fore and mid coxae pale brown, hind coxa dark brown to black; trochanters pale brown; femora dark brown with apex yellowish-brown; tibiae and tarsi yellowish-brown with T4 pale brown. Petiole black. Gaster dark brown.

Antenna with a distinct constriction between C1 and C2. Frons with strong reticulation, clypeus smooth, antennal scrobes with weak reticulation; with genal carina. Vertex with strong reticulation outside ocellar triangle, with wrinkled sculpture inside ocellar triangle. Occipital margin with a sharp carina behind ocellar triangle.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe without median groove, with ten scattered adnotaular setae. Mesoscutellum with very weak reticulation on median part and strong reticulation on lateral parts, meshes elongate; with an indistinct median groove in anterior two-thirds; submedian grooves distinct in posterior two-thirds, straight and ±parallel; with five setae scattered over lateral parts. Dorsellum with strong reticulation, without median carina. Propodeum with a narrow median carina that expands in very posterior part; with 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 unbroken.

Petiole transverse with strong sculpture on dorsal part, with anterolateral corners as sharp points. Gaster ovate; tergites with strong reticulation; gonoplac short with tip blunt.

Relative measurements: head length, dorsal view 19; head length, frontal view 34; POL 8.5; OOL 6; lateral ocellus diameter 4; head width 45; mouth width nm; malar space 11.5; eye length 19; scape length 17; scape width 4; pedicel+flagellum length 50; pedicel length 6; pedicel width, dorsal view 3.5; F1 length 8; F1 width 4; F2 length 8; F2 width 4; F3 length 7.5; F3 width 4; clava length 18; clava width 4.5; C3 length 7; spicule length 2.5; mesosoma length 57; mesosoma width 39; midlobe of mesoscutum length 18; mesoscutellum length 20; mesoscutellum width 20; median part of mesoscutellum width (measured medially) 8; median part of mesoscutellum, width in anterior part 8; median part of mesoscutellum, width in posterior part 8; lateral part of mesoscutellum, width (measured medially) 3.5; dorsellum length 3; propodeum length 3; costal cell length 25; costal cell width (measured at widest part) 2.5; marginal vein length 25; stigmal vein length 10; gaster length 55; gaster width 38; Gt 2 length (measured medially) 7; Gt 4 length (measured medially) 13; Gt 7 length (measured medially) 5; Gt

7

width (measured at base) 13.5; longest cercal seta length 12; shortest cercal seta length 6.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Guanacaste, Area de Conservacion, Guanacaste, Sector Pailas , Pailas Dos PL 12-6, 10º76’N, 85º33’W, 853m, 18-25.i.2018, D. Janzen, W. Hallwachs (barcoded specimen: BIOUG58476-A04) ( MZLU).

Etymology. Named in honour of Allison Brown in recognition of her years of dedicated management of Costa Rica’s data at the Centre for Biodiversity Genomics, Ontario, Canada.

Figures

Figs 260–263. Galeopsomyia aliante, holotype ♀ – (260) habitus dorsal view; (261) habitus lateral view. Galeopsomyia allisonbrownae, holotype ♀ – (262) habitus dorsal view; (263) habitus lateral view.