Diglyphomorphomyia cristata, Hansson, 2022

Hansson, Christer, 2022, Diglyphomorphomyia Girault (Chalcidoidea: Eulophidae) new to the Neotropical region including nine new species, Zootaxa 5141 (4), pp. 321-340 : 327-330

Diglyphomorphomyia cristata sp. nov.

Figs 7, 8 , 27

Diagnosis. Body ( Figs 7, 8 ) yellowish-brown, except dark brown flagellum and black antennal scrobes ( Fig. 27 ), hind tibia and gonoplac, fore wing hyaline with median one-third infuscate with part below stigmal vein and below base of marginal vein dark brown ( Fig. 7 ); pronotal collar with a carina along anterior margin ( Fig. 8 ); midlobe of mesoscutum with three pairs of long and strong setae ( Fig. 8 ); mesoscutellum with sublateral grooves sinuate in lateral part, joining in posterior part ( Fig. 8 ).

Description (female holotype). Length 2.1mm. Frons and vertex with weak reticulation. Pronotal collar with a carina along anterior margin. Mesoscutum with weak reticulation; midlobe with three pairs of long and strong setae. Mesoscutellum, axillae and dorsellum with weak reticulation; mesoscutellum with sublateral grooves joining in posterior part. Propodeum between plicae smooth, without reticulation; callus with eight setae. Fore wing with eight setae on dorsal surface of submarginal vein; with 13 admarginal setae; costal cell with a row of 15 setae on ventral surface, apico-dorsal margin with four setae. Gaster short ovate.

Colour. Head yellowish-brown with antennal scrobes black. Antennae with scape yellowish-brown, pedicel and flagellum dark brown. Mesoscutum, mesoscutellum, dorsellum and propodeum yellowish-brown. Legs yellowishbrown, mid coxa yellowish-white and hind tibia dark brown. Fore wing with median one-third infuscate with part below stigmal vein and below base of marginal vein darker; hind wing hyaline. Petiole and gaster yellowish-brown, gonoplac dark brown.

Relative measurements. Head: length in dorsal view 22; length in frontal view 33; width 47; POL 10; OOL 6; mouth width 15; malar space 8.5; eye height 22; lateral ocellus maximum width 4.5; scape length 20; scape width 3.5; pedicel length 7.5; pedicel width in dorsal view 3.5; pedicel+flagellum length 48; F1 length 7.5; F2 length 7; F3 length 7; F4 length 6; antennal clava length 12; F1 width 4; F2 width 4.5; F3 width 5; F4 width 5.5; antennal clava width 6. Mesosoma: length 67; width 41; midlobe of mesoscutum length 28; mesoscutellum length 27.5; mesoscutellum width 21; dorsellum length 3; propodeum length 13.5; mid tarsus length 25; mid tarsus T4 length 5.5; hind tarsus length 27; hind tarsus T4 length 6.5; fore wing length 87; fore wing width 56; costal cell length 36; costal cell width 3; marginal vein length 35; postmarginal vein length 13; stigmal vein length 12. Gaster: length 76; width 45; Gt 1 length 39; Gt 7 length 5; Gt 7 width 14.

Variation in paratype. Length 1.8mm. Fore wing submarginal vein with six setae on dorsal surface. Propodeal callus with nine setae. Otherwise as in holotype.

Male. Unknown.

Distribution. Costa Rica.

Etymology. From the Latin cristata = ridged, referring to the ridge (carina) along anterior margin of pronotal collar.

Material. Holotype female: COSTA RICA, Puntarenas, Estación Altamira, Sendero a Casa Coca , 9º02’N, 83º00’W, 1450–1700m, 7.ii–5.iii.2002, C. Hansson & Parataxonomos ( MZLU) . Paratype 1♀ COSTA RICA, Puntarenas, Estación Altamira , Estación, 9º02’N, 83º00’W, 1450–1700m, 7.ii–5.iii.2002, C. Hansson & Parataxonomos ( NHMUK) .

Figures

FIGURES 5–8. Diglyphomorphomyia spp. nov., females; 5–6. D. costulata; 5 body in lateral view, holotype; 6 body in dorsal view, holotype; 7–8. D. cristata; 7 body in lateral view, paratype; 8 body in dorsal view, holotype.

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.