Galeopsomyia perseae Hansson, 2023

Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 147-148

Galeopsomyia perseae Hansson sp.nov.

( Figs 172, 173 , 717 , 1108)

Diagnosis (female). Antennal clava with a weak constriction between C1 and C2 ( Fig. 717 ); genal carina absent; mesoscutellum ( Fig. 172 ) with elongate meshes; hind coxa with a carina along posterior margin; gaster ( Fig. 172 ) laterally flattened, 4.4× as long as wide, with very short Gt 2, 0.06× as long as Gt 4, Gt 1 with weak reticulation and shiny, Gt 1-4 with a smooth median line, Gt 7 with apical half dark yellowish-brown.

Female holotype: length of body 3.5mm (paratype 3.6mm).

Scape with basal half yellowish-brown and apical half brown, pedicel and flagellum dark brown. Face below level of toruli golden-green but with median part metallic bluish-green, clypeus brown, frons metallic bluish-green, antennal scrobes black; vertex black with blue and green tinges. Mesoscutum golden-green with purple tinges in posterior part; mesoscutellum metallic bluish-green; propodeum golden-green. Legs with fore coxa golden-green, mid coxa dark brown, hind coxa metallic bluish-green; trochanters yellowish-brown; femora dark brown with apex yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster metallic bluish-green with some parts golden-green, Gt 7 with apical half dark yellowish-brown; gonoplac black.

Antenna with a weak constriction between C1 and C2. Face below level of toruli and scrobes with weak reticulation, clypeus smooth, frons with strong reticulation; genal carina absent. 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 an indistinct median groove in posterior two-thirds, with 12 scattered adnotaular setae. Mesoscutellum with strong reticulation, meshes elongate; submedian grooves ±distinct, straight and diverging towards posterior part. Dorsellum with strong reticulation. Propodeum with a wide median carina that expands in posterior part, posterior part concave; callus with two setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation; hind coxa with a carina along posterior margin. Fore wing with four setae on dorsal surface of submarginal vein; speculum open below and towards base of wing; costal setal row unbroken.

Petiole very short, just a narrow band. Gaster very long and laterally flattened; Gt 1 with weak reticulation and shiny, remaining tergites with strong reticulation, Gt 1-4 with a smooth median line.

Relative measurements: head length, dorsal view 28; head length, frontal view 48; POL 11; OOL 7; lateral ocellus diameter 6; head width 61; mouth width 22; malar space 17.5; eye length 28; scape length 21; scape width 5; pedicel+flagellum length 63; pedicel length 9.5; pedicel width, dorsal view 5; F1 length 10; F1 width 5.5; F2 length 9; F2 width 5.5; F3 length 8.5; F3 width 5.5; clava length 21; clava width 6.5; C3 length 7.5; spicule length 1.5; mesosoma length 83; mesosoma width 62; midlobe of mesoscutum length 33.5; mesoscutellum length 28; mesoscutellum width 28; median part of mesoscutellum width (measured medially) 13.5; median part of mesoscutellum, width in anterior part13; median part of mesoscutellum, width in posterior part 17; lateral part of mesoscutellum, width (measured medially) 4.5; dorsellum length 3; propodeum length 9.5; costal cell length 45; costal cell width (measured at widest part) 3; marginal vein length 43; stigmal vein length 13; gaster length 182; gaster width 41; Gt 2 length (measured medially) 3; Gt 4 length (measured medially) 49; Gt 7 length (measured medially) 22; Gt 7 width (measured at base) 17; longest cercal seta length 13; shortest cercal seta length 6.

Male. Unknown.

Hosts. Reared from galls in young fruits of avocado ( Persea americana ) ( Lauraceae ).

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Alajuela, Carrizal , 11.iv.2002, from avocado fruit gall ( NHMUK) . Paratype: 1♀ with same label data as holotype ( MZLU) .

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

Figures

Figs 172–175. Galeopsomyia perseae, holotype ♀ – (172) habitus dorsal view; (173) habi- tus lateral view. Galeopsomyia peruviensis, holotype ♀ – (174) habitus dorsal view; (175) habitus lateral view.

Figs 717–723. Head incl. antennae, lateral view ♀ – (717) Galeopsomyia perseae; (718) G. ramyamanjunathae; (719) G. saga; (720) G. noyesi; (721) G. plaumanni; (722) G. rubii; (723) G. seminarum.