Diglyphomorphomyia parva, Hansson, 2022

Hansson, Christer, 2022, Diglyphomorphomyia Girault (Chalcidoidea: Eulophidae) new to the Neotropical region including nine new species, Zootaxa 5141 (4), pp. 321-340 : 330-332

Diglyphomorphomyia parva sp. nov.

Figs 11, 12 , 29

Diagnosis. Head dark brown to black, antennal flagellum yellowish-brown ( Figs 11, 12 ); mesoscutum, axillae, dorsellum and propodeum yellowish-brown ( Fig. 12 ), mesoscutellum yellowish-brown to dark brown; legs with coxae and trochanters whitish, remaining parts of legs yellowish-brown ( Fig. 11 ), fore wing hyaline ( Fig. 11 ); pronotal collar without a carina along anterior margin ( Fig. 12 ); midlobe of mesoscutum with three pairs of setae, middle pair short and weak ( Fig. 12 ); mesoscutellum with sublateral grooves slightly sinuate in lateral part, joining in posterior part ( Fig. 12 ).

Description (female holotype). Length 1.2mm. Frons and vertex with very weak reticulation. Pronotal collar without a carina along anterior margin. Mesoscutum and mesoscutellum with weak reticulation; midlobe of mesoscutum with three pairs of setae, middle pair short and weak; mesoscutellum with sublateral grooves joining in posterior part. Dorsellum and propodeum smooth, without reticulation; propodeal callus with five setae. Fore wing with four setae on dorsal surface of submarginal vein; with nine admarginal setae; costal cell with a row of eight setae on ventral surface, apico-dorsal margin with four setae. Gaster short ovate.

Colour. Head dark brown to black. Antennae yellowish-brown. Mesoscutum, axillae, dorsellum and propodeum dark yellowish-brown, mesoscutellum dark brown. Legs with coxae and trochanters whitish, remaining parts of legs yellowish-brown. Wings hyaline. Petiole yellowish-brown. Gaster with Gt 1 yellowish-brown with darker sides, Gt 2–7 and gonoplac dark brown.

Relative measurements. Head: length in dorsal view 15; length in frontal view 24; width 31; POL 7; OOL 3.5; mouth width 10; malar space 6.5; eye height 16; lateral ocellus maximum width 2.5; scape length 14; scape width 3; pedicel length 5.5; pedicel width in dorsal view 2.5; pedicel+flagellum length 35; F1 length 4.5; F2 length 4.5; F3 length 5; F4 length 5; antennal clava length 9; F1 width 2.6; F2 width 3; F3 width 3; F4 width 3; antennal clava width 4. Mesosoma: length 38; width 35; midlobe of mesoscutum length 13; mesoscutellum length 14; mesoscutellum width 13; dorsellum length 2; propodeum length 7; mid tarsus length 18; mid tarsus T4 length 3.5; hind tarsus length 18; hind tarsus T4 length 3.5; fore wing length 53; fore wing width 30; costal cell length 19; costal cell width 1.2; marginal vein length 19; postmarginal vein length 10; stigmal vein length 7. Gaster: length 42; width 30; Gt 1 length 18; Gt

7 length 2; Gt

7 width 8.

Variation in paratypes. Length 0.9–1.4mm. Mesoscutellum yellowish-brown to dark brown. Propodeal callus with 5–7 setae. Costal cell with 2–4 setae on apico-dorsal margin. Otherwise as in holotype.

Male. Unknown.

Distribution. Costa Rica.

Etymology. From the Latin parva = small, referring to the small size of specimens of this species.

Material. Holotype female: COSTA RICA, Guanacaste, Parque Nacional Santa Rosa , 2–24.iv.1987, D.H. Janzen & I.D. Gauld ( NHMUK) . Paratypes (25♀, CNC, MZLU, MZUCR, NHMUK): following from same locality as holotype but collected 26.x–16.xi.1985 (4♀), 7–28.xii.1985 (1♀), 18.i–8.ii.1986 (1♀), 24.v–14.vi.1986 (1♀), 5–26.vii.1986 (1♀), 14.viii–6.ix.1986 (1♀), 6–27.ix.1986 (1♀), 27.ix–18.x.1986 (2♀), 18.x–8.xi.1986 (2♀), 21.ii–14.iii.1987 (3♀), 14.iii–4.iv.1987 (1♀), 24.iv.1987 (1♀), 25.iv–16.v.1987 (3♀); 1♀ COSTA RICA, Heredia, Estación Biológica La Selva , 75 m, 10º26’N, 84º01’W , 14.ix.1995; 1♀ from same locality as previous but collected ii.1996; 1♀ COSTA RICA, Limón, Reserva Biológica Hitoy Cerere, Estación , LN 184250_ 641800, 300m , 17.vi–17.vii.1999, F. Umaña.

Figures

FIGURES 9–12. Diglyphomorphomyia spp. nov., females; 9–10. D. metallica; 9 body in dorsal view, holotype; 10 body in lateral view, holotype; 11–12. D. parva; 11 body in lateral view, paratype; 12 body in dorsal view, paratype.

FIGURES 25–30. Diglyphomorphomyia spp. nov., head in frontal view, females; 25 D. albiclava, paratype; 26 D. albicoxa, paratype; 27 D. cristata, holotype; 28 D. metallica, holotype; 29 D. parva, paratype; 30 D. pedunculata, paratype.