Galeopsomyia lunaniae Hansson, 2023

Hansson, Christer & Hanson, Paul E., 2023, HYMENOPTERA: CHALCIDOIDEA), 5 The genus Galeopsomyia Girault by Christer Hansson * & Paul E. Hanson **, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 365-366

Galeopsomyia lunaniae Hansson sp.nov.

( Figs 470, 471 , 821 )

Diagnosis (female). Antennal clava with a weak constriction between C1 and C2 ( Fig. 821 ); genal carina present; mesoscutellum ( Fig. 470 ) elongate, 1.2× as long as wide, 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; propodeum ( Fig. 470 ) with strong reticulation and some strong irregular carinae medially, callus with four setae; petiole very short, just a narrow band; gaster ( Fig. 470 ) 2.5× as long as wide, medio-basal Gt 1 with short longitudinal carinae, tergites with strong reticulation.

Female holotype: length of body 2.2mm (paratypes 2.3mm).

Scape yellowish-brown, pedicel and flagellum dark brown. Face below level of toruli golden-green, clypeus dark brown, frons metallic bluish-green, antennal scrobes black. Thoracic dorsum golden-green with blue tinges, anterior one-third of mesoscutum dark brown with weak metallic tinges. Legs with fore and mid coxae dark brown, hind coxa metallic bluish-green; trochanters dark brown; femora dark brown with apex yellowish-brown; tibiae yellowish-brown; T1–3 yellowish-brown, T4 pale brown. Petiole black. Gaster with Gt 1 metallic bluish-green, Gt2-5 dark brown with metallic tinges, Gt6-7 black with metallic tinges; gonoplac black with apex yellowish-brown.

Antenna with a weak constriction between C1 and C2. Face below level of toruli with strong 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.

Mesoscutum with strong reticulation, meshes isodiametric on sidelobes, elongate on midlobe; midlobe with a weak median groove in posterior half, with 13 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 six setae scattered over lateral parts. Dorsellum with weak sculpture, with median carina. Propodeum with strong reticulation, medially with a few strong irregular carinae; callus with four setae. Fore and hind coxae with strong reticulation, mid coxa with weak reticulation. Fore wing with 4&5 setae on dorsal surface of submarginal vein; speculum closed; costal setal row broken.

Petiole very short, just a narrow band. Gaster elongate; medio-basal Gt 1 with short longitudinal carinae; tergites with strong reticulation.

Relative measurements: head length, dorsal view 22; head length, frontal view 35; POL 10; OOL 6; lateral ocellus diameter 4; head width 47; mouth width 17; malar space 12.5; eye length 21.5; scape length 16.5; scape width 4.5; pedicel+flagellum length 47.5; pedicel length 6.5; pedicel width, dorsal view 4; F1 length 7; F1 width 5; F2 length 7; F2 width 5; F3 length 7.5; F3 width 5; clava length 17.5; clava width 5.5; C3 length 5.5; spicule length 1.5; mesosoma length 61; mesosoma width 44; midlobe of mesoscutum length 25; mesoscutellum length 24; mesoscutellum width 20; median part of mesoscutellum width (measured medially) 8.5; median part of mesoscutellum, width in anterior part 8.5; median part of mesoscutellum, width in posterior part 9; lateral part of mesoscutellum, width (measured medially) 4; dorsellum length 3; propodeum length 10.5; costal cell length 31; costal cell width (measured at widest part) 2.5; marginal vein length 31; stigmal vein length 11; gaster length 96; gaster width 38; Gt 2 length (measured medially) 10; Gt 4 length (measured medially) 15; Gt 7 length (measured medially) 17; Gt 7 width (measured at base) 13.5; longest cercal seta length 14; shortest cercal seta length 6.

Male. Unknown.

Hosts. Reared from spherical galls (5–7 mm in diameter) on leaves, young stems and flowers, induced by an unidentified Cecidomyiidae on Lunania mexicana ( Salicaceae ).

Distribution. Costa Rica.

Material examined.

Holotype ♀ COSTA RICA, Alajuela, Estación Biológica A. Brenes, iii.2004, from Lunania mexi- cana gall, P. Hanson ( NHMUK) . Paratypes: 2♀ with same label data as holotype ( MZLU, MZUCR) .

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

Figures

Figs 468–471. Galeopsomyia lumbrada, holotype ♀ – (468) habitus dorsal view; (469) habitus lateral view. Galeopsomyia lunaniae, holotype ♀ – (470) habitus dorsal view; (471) habitus lateral view.

Figs 818–826. Head incl. antennae, lateral view ♀ – (818) Galeopsomyia leonae; (819) G. macanis; (820) G. maculifer; (821) G. lunaniae; (822) G. lumbrada; (823) G. magra; (824) G. malandrina; (825) G. manga; (826) G. manotris.