Galeopsomyia pilonensis 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 : 445-446

Galeopsomyia pilonensis Hansson sp.nov.

( Figs 586, 587 , 867 )

Diagnosis (female). Antennal clava with distinct constriction between C1 and C2 ( Fig. 867 ); genal carina present; mesoscutellum ( Fig. 586 ) with weak reticulation and elongate meshes on median part, lateral parts rugose, submedian grooves slightly curved and diverging towards both anterior and posterior parts, with outer margin indistinct; dorsellum without median carina; propodeum ( Fig. 586 ) with strong reticulation, callus with two setae; petiole transverse with strong sculpture on dorsal part; gaster ( Fig. 586 ) 2.0× as long as wide, medio-basal Gt1 with longitudinal short carinae, Gt1-4 with weak reticulation.

Female holotype: length of body 2.7mm (paratypes 2.0– 2.6mm).

Scape dark brown with base yellowish-brown, pedicel and flagellum dark brown. Head with frons golden-green, clypeus dark brown, antennal scrobes golden-purple; vertex metallic bluish-green. Mesoscutum golden, mesoscutellum and propodeum golden-red. Legs with fore and mid coxae metallic bluish-green, hind coxa golden-red; trochanters yellowish-brown; femora with basal half dark brown and apical half yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 dark brown. Petiole black. Gaster with Gt1 metallic golden, remaining tergites golden-green with purple tinges; gonoplac black.

Antenna with distinct constriction between C1 and C2. Frons rugose and also with strong reticulation, clypeus smooth, 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 rugose close to notauli; midlobe with a very weak median groove, and with 14 scattered setae on rugose parts. Mesoscutellum with weak reticulation with elongate meshes on median part, lateral parts rugose; submedian grooves slightly curved and diverging towards both anterior and posterior parts, with outer margin indistinct; with ten setae scattered over lateral parts. Dorsellum with strong sculpture, without median carina. Propodeum with a strong median carina that expands in posterior part, with strong reticulation; callus with two 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 slightly open below; costal setal row unbroken.

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

Relative measurements: head length, dorsal view 22; head length, frontal view 34; POL 8; OOL 5; lateral ocellus diameter 4.5; head width 42.5; mouth width 12.5; malar space 12; eye length 20; scape length 16; scape width 4.5; pedicel+flagellum length 52; pedicel length 5.5; pedicel width, dorsal view 3.5; F1 length 8.5; F1 width 4; F2 length 9; F2 width 4; F3 length 8.5; F3 width 4.5; clava length 17.5; clava width 5; C3 length 5.5; spicule length 1; mesosoma length 62; mesosoma width 40; midlobe of mesoscutum length 23; mesoscutellum length 22.5; mesoscutellum width 18.5; median part of mesoscutellum width (measured medially) 7.5; median part of mesoscutellum, width in anterior part 8.5; median part of mesoscutellum, width in posterior part 8.5; lateral part of mesoscutellum, width (measured medially) 3.5; dorsellum length 3; propodeum length 10; costal cell length 32; costal cell width (measured at widest part) 2.5; marginal vein length 28; stigmal vein length 9; gaster length 81; gaster width 40; Gt 2 length (measured medially) 7.5; Gt 4 length (measured medially) 18; Gt 7 length (measured medially) 7.5; Gt 7 width (measured at base) 12; longest cercal seta length 12; 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) . Paratypes (2♀, MZLU, NHMUK): 1♀ COSTA RICA, Alajuela , San Carlos, Parque Nacional Arenal, Sector Cerro Chato, LN 269500_460900, 1100m, 14.iii-24.iv.2001, G. Carballo ; 1♀ COSTA RICA, Alajuela , Parque Nacional Arenal, La Peninsula , 10º27’N, 84º45’W, 25.ii.2003, J.S. Noyes .

Etymology. Named after type locality, Sendero Pilón.

Figures

Figs 584–587. Galeopsomyia picuda, holotype ♀ – (584) habitus dorsal view; (585) habitus lateral view. Galeopsomyia pilonensis, holotype ♀ – (586) habitus dorsal view; (587) habitus lateral view.

Figs 864–871. Head incl. antennae, lateral view ♀ – (864) Galeopsomyia perla; (865) G. picuda; (866) G. teronadis; (867) G. pilonensis; (868) G. schefflerae; (869) G. pyrillia; (870) G. rugosa; (871) G. weinmanniae.