Galeopsomyia verbesinae 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 : 467-468

Galeopsomyia verbesinae Hansson sp.nov.

( Figs 620, 621 , 878 , 996 )

Diagnosis (female). Antenna with a weak constriction between C1 and C2 ( Fig. 878 ); genal carina present and strong; mesoscutellum ( Fig. 620 ) with weak reticulation on median part, meshes elongate, and with a complete median groove, submedian grooves distinct, straight and diverging slightly towards posterior part; dorsellum with median carina; petiole transverse with strong sculpture on dorsal part; gaster ( Fig. 620 ) 2.9× as long as wide, medio-basal Gt1 with a sharp edge shaped like an inverted U (as in Fig. 24 ), tergites with weak reticulation, gonoplac elongate, as long as length of hind femur ( Fig. 621 ).

Female holotype: length of body 2.6mm (paratypes 2.4mm).

Scape yellowish-brown, pedicel and flagellum dark brown. Head with frons metallic bluish-green, clypeus dark brown, antennal scrobes black; vertex metallic bluish-purple. Thoracic dorsum metallic bluish-green. Legs with fore and hind coxae metallic bluish-green, mid coxa black; trochanters pale brown; femora with basal two-thirds black with golden-green tinges and apical one-third yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt1,6 metallic bluish-green, Gt2-5 golden-purple, Gt7 black; gonoplac black.

Antenna with a weak constriction between C1 and C2. Face below level of toruli with weak reticulation, clypeus smooth, frons rugose, antennal scrobes with weak reticulation; with a strong genal carina, reaching to level of lower margin of eye. 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 a weak median groove in posterior half, with 12 scattered adnotaular setae. Mesoscutellum with weak reticulation on median part and with a complete median groove, lateral parts with strong reticulation, meshes elongate; submedian grooves distinct, straight and diverging slightly towards posterior part; with seven setae scattered over lateral parts. Dorsellum with weak sculpture and shiny, with median carina. Propodeum medially with strong irregular carinae and laterally with strong reticulation; callus with six 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 broken.

Petiole transverse with strong sculpture on dorsal part. Gaster elongate; medio-basal Gt1 with a sharp edge shaped like an inverted U; tergites with weak reticulation.

Relative measurements: head length, dorsal view 23; head length, frontal view 41; POL 10.5; OOL 6; lateral ocellus diameter 4.5; head width 54; mouth width 15; malar space 15.5; eye length 24; scape length 18; scape width 4.5; pedicel+flagellum length 54; pedicel length 7; pedicel width, dorsal view 4; F1 length 8.5; F1 width 5; F2 length 8.5; F2 width 5; F3 length 8; F3 width 5.5; clava length 18.5; clava width 6; C3 length 6.5; spicule length 2; mesosoma length 71; mesosoma width 49; midlobe of mesoscutum length 28.5; mesoscutellum length 26; mesoscutellum width 24; median part of mesoscutellum width (measured medially) 9.5; median part of mesoscutellum, width in anterior part 9.5; median part of mesoscutellum, width in posterior part 10; lateral part of mesoscutellum, width (measured medially) 5; dorsellum length 3.5; propodeum length 6; costal cell length 34; costal cell width (measured at widest part) 3; marginal vein length 34; stigmal vein length 10.5; gaster length 121; gaster width 42; Gt 2 length (measured medially) 11; Gt 4 length (measured medially) 21; Gt 7 length (measured medially) 17; Gt 7 width (measured at base) 13; longest cercal seta length 14; shortest cercal seta length 7.

Male. Length of body 1.2–2.0mm.

Antenna ( Fig. 996 ) with scape widest in the middle; plaque brown and situated just above of the middle but does not reach apex; dorso-basal whorls of long setae present on F1–F4 and C, with a ventro-basal whorl of long setae on C1. Gaster long ovate. Otherwise as in female.

Relative measurements: head length, dorsal view 20; head length, frontal view 38; head width 50; mouth width 12.5; malar space 13.5; eye length 21; scape length 17; scape width 5; plaque length 7; pedicel length 7; pedicel+flagellum length 73; F1 length 5; F1 width 4.5; F2 length 9; F2 width 4.5; F3 length 11; F3 width 4; F4 length 11.5; F4 width 3.5; clava length 28.5; clava width 3.5; mesosoma length 68; mesosoma width 44; gaster length 75; gaster width 34; longest subbasal seta on F1, length 30.

Hosts. Reared from leaf gall induced by an unidentified Cecidomyiidae on Verbesina turbacensis ( Asteraceae ).

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Guanacaste, Bosque Nacional Diriá, Cerro Retallano, Alrededores Torre de Control de Incendio , LN 238550_358650, 600-700m, 18.ix-18.x.2001, malaise trap, I. Jiménez ( NHMUK) . Paratypes: 3♀ 14♂ COSTA RICA, Guanacaste, Reserva Forestal Monte Alto, Hojancha, 17.viii.2001, from cecid gall Verbesina turb., I. Jimenez ( MZLU, MZUCR, NHMUK) .

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

Figures

Figs 620–623. Galeopsomyia weinmanniae, holotype ♀ – (620) habitus dorsal view; (621) habitus lateral view. Galeopsomyia wilsonae, holotype ♀ – (622) habitus dorsal view; (623) habitus lateral view.

Figs 872–878. Head incl. antennae, lateral view ♀ – (872) Galeopsomyia triozae; (873) G. tigrensis; (874) G. umanai; (875) G. veluda; (876) G. truncata; (877) G. wilsonae; (878) G. verbesinae.

Figs 993–996. Head incl. antennae/body, lateral view, paratype ♂. (993) Galeopsomyia piperae; (994) G. schefflerae; (995) G. truncata; (996) G. verbesinae.

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.