Galeopsomyia gouaniae 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 : 322-323

Galeopsomyia gouaniae Hansson sp.nov.

( Figs 408, 409 , 973 , 1075)

Diagnosis (female). Antenna with distinct constriction between C1 and C2 (Fig. 1075); frons with a strong swelling below eye; genal carina present; mesoscutum and mesoscutellum with white setae ( Fig. 408 ); mesoscutellum ( Fig. 408 ) with median part with weak reticulation and shiny, lateral parts rugose, outer margin of submedian grooves absent; dorsellum with median carina; propodeum ( Fig. 408 ) with strong reticulation and irregular carinae, callus with three setae; gaster ( Fig. 408 ) 2.4× as long as wide, medio-basal Gt1 with longitudinal carinae laterally, tergites with strong large-meshed reticulation, gonoplac yellowish-brown ( Fig. 409 ). Male flagellum with dorso-basal whorls of setae with short setae ( Fig. 973 ).

Female holotype: length of body 2.3mm (paratypes 2.4–2.7mm).

Scape yellowish-brown, pedicel pale brown, flagellum dark brown. Face below level of toruli golden-green, clypeus dark brown, frons metallic bluish-green; vertex golden-green. Thoracic dorsum golden-green. Legs with fore and mid coxae yellowish-brown, hind coxa golden-green with apex yellowish-brown; trochanters, femora and tibiae yellowish-white; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt1 metallic bluish-green, Gt2 golden-green, Gt3-4 golden-green with posterior part metallic purple, Gt5-6 golden-green with anterior part metallic purple, Gt7 golden-green; gonoplac yellowish-brown.

Antenna with 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.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe, midlobe with parts close to notauli rugose; midlobe with a complete median groove, with 25 scattered setae on rugose parts. Mesoscutellum with median part with weak reticulation, lateral parts rugose; outer margin of submedian grooves absent; lateral parts with 25 setae scattered over entire part. Dorsellum with strong sculpture, with median carina. Propodeum with a strong median carina, posterior part with a fovea; with strong irregular carinae and strong reticulation; callus with three setae. Fore and mid coxae with weak reticulation, hind coxa with strong reticulation. Fore wing with five setae on dorsal surface of submarginal vein; speculum open towards base of wing; costal setal lin unbroken.

Petiole short, just a narrow band. Gaster elongate; medio-basal Gt1 with longitudinal carinae laterally; tergites with strong large-meshed reticulation.

Relative measurements: head length, dorsal view 25; head length, frontal view 40; POL 9.5; OOL 6; lateral ocellus diameter 5; head width 51; mouth width 18.5; malar space 14; eye length 24; scape length 21; scape width 5; pedicel+flagellum length 50; pedicel length 7; pedicel width, dorsal view 4; F1 length 7; F1 width 5; F2 length 7; F2 width 5; F3 length 7.5; F3 width 5.5; clava length 17.5; clava width 6; C3 length 5; spicule length 1; mesosoma length 70; mesosoma width 50; midlobe of mesoscutum length 26.5; mesoscutellum length 27; mesoscutellum width 23; median part of mesoscutellum width (measured medially) 7.5; median part of mesoscutellum, width in anterior part 7; median part of mesoscutellum, width in posterior part 11; lateral part of mesoscutellum, width (measured medially) 5; dorsellum length 5; propodeum length 11; costal cell length 40; costal cell width (measured at widest part) 3; marginal vein length 34; stigmal vein length 13; gaster length 102; gaster width 42; Gt 2 length (measured medially) 10; Gt 4 length (measured medially) 18; Gt 7 length (measured medially) 14; Gt 7 width (measured at base) 15; longest cercal seta length 14; shortest cercal seta length 6.

Male. Length of body of body 1.6mm.

Antenna ( Fig. 973 ) with scape gradually expanding from base; plaque black and situated in apical two-thirds; dorso-basal whorls of setae short and present on F1–F4 and on C1. Gaster long ovate. Otherwise as in female.

Relative measurements: head length, dorsal view 20.5; head length, frontal view 32; head width 41.5; mouth width 16; malar space 11; eye length 20; scape length 19.5; scape width 6.5; plaque length 13; pedicel length 6; pedicel+flagellum length 48; F1 length 4.5; F1 width 4; F2 length 5.5; F2 width 4; F3 length 6; F3 width 4; F4 length 6; F4 width 4; clava length 19; clava width 4; mesosoma length 60; mesosoma width 37; gaster length 62; gaster width 32; longest subbasal seta on F1, length 13.

Hosts. Reared from blister-like leaf gall on Gouania sp. ( Rhamnaceae ), probably induced by Cecidomyiidae .

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, San José, Casa Mata , 1900m, 3.viii.2010, from Gouania leaf gall, P. Hanson ( NHMUK) . Paratypes (6♀ 1♂, MZLU, MZUCR, NHMUK) : 4♀ 1♂ with same label data as holotype ; 1♀ COSTA RICA, San José, Zurqui de Moravia , 1600m, iv.1992, P. Hanson ; 1♀ COSTA RICA, Cartago, La Cangreja , 9º48’N, 83º58’W, 1950m, vi-vii.1992, P. Hanson .

Etymology. Named after the host plant of the gall from which this species was reared.

Figures

Figs 408–411. Galeopsomyia gouaniae, holotype ♀ – (408) habitus dorsal view; (409) habi- tus lateral view. Galeopsomyia graciliclava, holotype ♀ – (410) habitus dorsal view; (411) habitus lateral view.

Figs 971–973. Head incl. antennae/body, lateral view, paratype ♂. (971) Galeopsomyia globosa; (972) G. gonzalezi; (973) G. gouaniae.