Galeopsomyia fieris 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 : 310-312

Galeopsomyia fieris Hansson sp.nov.

( Figs 392, 393 , 791 , 970 )

Diagnosis (female). Antennal clava short with a weak constriction between C1 and C2 and with apex pointed ( Fig. 791 ), flagellum short, flagellum+pedicel 1.2× as long as width of mesoscu- tum; genal carina present; mesoscutellum ( Fig. 392 ) with median part with weak reticulation and shiny, lateral parts with strong reticulation, meshes elongate; submedian grooves with outer margin absent, slightly curved and diverging slightly towards posterior part; dorsellum with median carina; propodeum ( Fig. 392 ) with longitudinal carinae on either side of median carina, lateral to carinae with strong reticulation, callus with four setae; gaster ( Fig. 392 ) 2.2× as long as wide, medio-basal Gt 1 with short longitudinal carinae laterally, tergites with very strong large-meshed reticulation.

Female holotype: length of body 1.9mm (paratypes 2.2mm).

Scape yellowish-brown with apico-dorsal part brown, pedicel and flagellum brown. Head with frons, including scrobes, golden-green, clypeus dark brown; vertex metallic bluish-green. Mesoscutum and mesoscutellum golden-green, propodeum dark brown with metallic blue tinges. Legs with fore coxa dark brown with metallic blue tinges, mid coxa dark brown, hind coxa metallic bluish-green; trochanters, femora and tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster dark brown, Gt 1,5-7 with metallic blue tinges; gonoplac yellowish-brown.

Antenna with a weak constriction between C1 and C2. Frons with strong reticulation, clypeus smooth; 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 parts close to notauli rugose; midlobe with a complete median groove, with 14 scattered setae on rugose parts. Mesoscutellum with median part with weak reticulation shiny, lateral parts with strong reticulation, meshes elongate; submedian grooves with outer margin absent, slightly curved and diverging slightly towards posterior part; with 11 setae scattered over lateral parts. Dorsellum with weak sculpture and shiny, with median carina. Propodeum with a strong median carina that expands gradually towards posterior part; with strong irregular carinae and strong reticulation; callus with four setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with six setae on dorsal surface of submarginal vein; speculum open below; costal setal row unbroken.

Petiole transverse with strong sculpture on dorsal part. Gaster elongate; medio-basal Gt 1 with short longitudinal carinae laterally; tergites with very strong reticulation.

Relative measurements: head length, dorsal view 21; head length, frontal view 33; POL 10.5; OOL 6.5; lateral ocellus diameter 4; head width 43.5; mouth width 13.5; malar space 12.5; eye length 19; scape length 17; scape width 4; pedicel+flagellum length 45; pedicel length 6; pedicel width, dorsal view 4; F1 length 7.5; F1 width 4; F2 length 8; F2 width 4.5; F3 length 6.5; F3 width 5; clava length 14.5; clava width 6; C3 length 6; spicule length 2; mesosoma length 60; mesosoma width 39; midlobe of mesoscutum length 21; mesoscutellum length 22.5; mesoscutellum width 20; median part of mesoscutellum width (measured medially) 7; median part of mesoscutellum, width in anterior part 7.5; median part of mesoscutellum, width in posterior part 9.5; lateral part of mesoscutellum, width (measured medially) 4.5; dorsellum length 2; propodeum length 9.5; costal cell length 34; costal cell width (measured at widest part) 2.5; marginal vein length 33; stigmal vein length 11; gaster length 71; gaster width 32; Gt 2 length (measured medially) 7; Gt 4 length (measured medially) 12; Gt 7 length (measured medially) 9; Gt

7

width (measured at base) 12; longest cercal seta length 10; shortest cercal seta length 6.

Male. Length of body of body 2.1–2.3mm.

Antenna ( Fig. 970 ) with scape triangular and widest at apex; plaque dark brown and situated in apical half; dorso-basal whorls of long setae present on F1–F4 and on C1–C2. Gaster long ovate. Otherwise as in female.

Relative measurements: head length, dorsal view 23; head length, frontal view 40; head width 52; mouth width 16; malar space 15; eye length 23; scape length 21.5; scape width 8.5; plaque length 11; pedicel length 7; pedicel+flagellum length 78; F1 length 5.5; F1 width 5; F2 length 10; F2 width 5; F3 length 11.5; F3 width 5; F4 length 11.5; F4 width 5; clava length 26; clava width 5; mesosoma length 77; mesosoma width 52; gaster length 79; gaster width 38.5; longest subbasal seta on F1, length 33.

Hosts. Reared from leaf gall induced by unidentified Cecidomyiiae on Schefflera rodrigueziana ( Araliaceae ). The gall is spherical, up to 10 mm in diameter, detachable and usually found on the underside of the leaf.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Cartago, Rio Macho , v.1998, from Schefflera rodrigueziana spherical leaf gall ( NHMUK) . Paratypes: 2♀ 4♂ with same label data as holotype ( MZLU, MZUCR, NHMUK) .

Figures

Figs 392–395. Galeopsomyia fieris, holotype ♀ – (392) habitus dorsal view; (393) habitus lateral view. Galeopsomyia flora, holotype ♀ – (394) habitus dorsal view; (395) habitus lateral view.

Figs 791–798. Head incl. antennae, lateral view ♀ – (791) Galeopsomyia fieris; (792) G. giria; (793) G. gonzalezi; (794) G. gavia; (795) G. flora; (796) G. gridis; (797) G. graciliclava; (798) G. hesperis.

Figs 968–970. Head incl. antennae/body, lateral view, paratype ♂. (968) Galeopsomyia chrysops; (969) G. coccolobae; (970) G. fieris.