Galeopsomyia matearis 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 : 378-379

Galeopsomyia matearis Hansson sp.nov.

( Figs 488, 489 , 830 )

Diagnosis (female). Antenna with distinct constriction between C1 and C2 ( Fig. 830 ); genal carina present; mesoscutellum ( Fig. 488 ) with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate; submedian grooves distinct, straight and converging slightly towards posterior part; dorsellum with median carina; propodeum ( Fig. 488 ) with strong irregular carinae, callus with two setae; petiole transverse with strong sculpture on dorsal part; gaster ( Fig. 488 ) 1.9× as long as wide, medio-basal Gt1 with longitudinal carinae laterally, tergites with weak reticulation.

Female holotype: length of body 2.2mm.

Scape yellowish-brown with dorsal edge brown, pedicel and flagellum dark brown. Head with frons metallic bluish-green, clypeus dark brown, antennal scrobes black; vertex metallic bluish-green. Thoracic dorsum golden-green. Legs with coxae dark brown to black; trochanters, femora and tibiae yellowish-brown; T1–3 yellowish-brown, T4 brown. Petiole black. Gaster with Gt1-6 metallic bluish-green, Gt3-5 with median part golden-purple, Gt7 black; gonoplac black.

Antenna with distinct constriction between C1 and C2. Face below level of toruli with weak 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; with a carina between posterior ocelli in posterior part.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe, midlobe rugose on parts close to notauli; midlobe without a median groove, with 16 scattered adnotaular setae. Mesoscutellum with weak reticulation on median part, lateral parts with strong reticulation, meshes elongate; submedian grooves distinct, straight and converging slightly towards posterior part; with seven setae scattered over lateral parts. Dorsellum with weak sculpture and shiny, with median carina. Propodeum with a strong and wide median carina that expands in posterior part; with strong irregular carinae; callus with two 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 Gt1 with longitudinal carinae laterally; tergites with weak reticulation.

Relative measurements: head length, dorsal view 24; head length, frontal view 42; POL 11; OOL 5.5; lateral ocellus diameter 5.5; head width 56; mouth width 15; malar space 14.5; eye length 24; scape length 20; scape width 4.5; pedicel+flagellum length 63; pedicel length 7; pedicel width, dorsal view 4; F1 length 9; F1 width 5; F2 length 10.5; F2 width 5; F3 length 11; F3 width 5; clava length 21.5; clava width 5.5; C3 length 6.5; spicule length 1.5; mesosoma length 72; mesosoma width 51; midlobe of mesoscutum length 28.5; mesoscutellum length 27; mesoscutellum width 22; median part of mesoscutellum width (measured medially) 8.5; median part of mesoscutellum, width in anterior part10; median part of mesoscutellum, width in posterior part 8; lateral part of mesoscutellum, width (measured medially) 4.5; dorsellum length 4.5; propodeum length 12; costal cell length 36; costal cell width (measured at widest part) 2.5; marginal vein length 34; stigmal vein length 12; gaster length 85; gaster width 46; Gt2 length (measured medially) 10.5; Gt4 length (measured medially) 17; Gt7 length (measured medially) 9; Gt7 width (measured at base) 14; longest cercal seta length 14; shortest cercal seta length 5.

Male. Unknown.

Hosts. Unknown.

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Alajuela, San Carlos, Reserva Forestal Arenal , Sendero Pilón, LN 269100_ 457900, 600m, 9.iii-7.iv.2000, malaise trap, G. Carballo ( NHMUK).

Figures

Figs 488–491. Galeopsomyia matearis, holotype ♀ – (488) habitus dorsal view; (489) habitus lateral view. Galeopsomyia maya, holotype ♀ – (490) habitus dorsal view; (491) habitus lateral view.

Figs 827–833. Head incl. antennae, lateral view ♀ – (827) Galeopsomyia majalis; (828) G. medrosa; (829) G. maya; (830) G. matearis; (831) G. meleadis; (832) G. menoris; (833) G. mesana.