Omphale lugubris Askew

Hansson, Christer & Shevtsova, Ekaterina, 2012, Revision of the European species of Omphale Haliday (Hymenoptera, Chalcidoidea, Eulophidae), ZooKeys 232, pp. 1-157 : 78-81

Omphale lugubris Askew Figures 306-320494524

Omphale lugubris Askew, 2003:34. Holotype female in RMNH, examined.

Omphale?coilus (Walker) var., Graham (1963).

Omphale?coilus (Walker) var., Gijswijt (1976).

Material.

Type material.Holotype female in RMNH. Additional material. 161♀ 1♂: Ireland 2♀ (BMNH), Netherlands 1♀ (RMNH), Russia 123♀ (BMNH, CH, LUZM), Sweden 16♀ 1♂ (BMNH, CH, LUZM), United Kingdom 19♀ (BMNH).

Diagnosis.

Female flagellum short - pedicel + flagellum 1.7 × as long as distance between eyes - with a solid 2-segmented clava (Fig. 314), flagellomeres 1-3 ventrally with one set of setae attached close to base and reaching beyond apex of flagellomere attached to; small species (1.1-1.6 mm); body black with weak bronze and violet reflections (Fig. 306).

Description.

Female. Length of body 1.1-1.6 mm. Antenna with scape and pedicel brown, flagellum dark brown; pedicel + flagellum 1.7 × as long as distance between eyes; first flagellomere 1.4 × as long and 1.0 × as wide as second flagellomere (Fig. 314); flagellomeres with scattered short setae, ventral part of flagellomeres 1-3 also with one set of setae attached close to base and reaching beyond apex of flagellomere attached to; clava 2-segmented. Face dark brown with golden tinges (Fig. 309), smooth (Fig. 315); clypeus dark brown with green metallic tinges, smooth, trapezoid, 1.5 × as wide as high; gena dark brown with golden tinges; lower frons green metallic with golden tinges, with engraved reticulation, subtorular area smooth; interscrobal area with engraved reticulation; antennal scrobes join on frontal suture; frontal suture V-shaped; upper frons green metallic with golden tinges; vertex dark brown with green metallic tinges, with engraved reticulation (Fig. 316). Occipital margin rounded (Fig. 316).

Mesoscutum dark brown with golden and green metallic tinges (Fig. 307), with engraved reticulation (Fig. 313), midlobe with one pair of setae (posterior pair); notauli as indistinct impressions in posterior ½. Scutellum dark brown with golden tinges (Fig. 307), with engraved reticulation (Fig. 313); 1.2 × as long as wide, with anterior margin straight. Axillae dark brown with purple metallic tinges (Fig. 307). Dorsellum dark brown with golden tinges (Fig. 307), smooth and slightly convex (Fig. 313), 0.3 × as long as wide, and 0.4 × as long as length of median propodeum. Entire lateral mesosoma dark brown with metallic tinges (Fig. 306); transepimeral sulcus strongly curved forwards. Propodeum dark brown with golden and green metallic tinges (Fig. 307), smooth (Fig. 313); propodeal callus with two setae. Legs with coxae pale brown with base dark brown, to completely dark brown (Fig. 306), femora dark brown, tibiae and tarsi yellowish brown; midleg with first tarsomere 0.3 × as long as length of tarsus. Forewing transparent, veins and setae yellow (Fig. 311); speculum closed; admarginal setae 7, arising both from marginal vein and membrane behind vein; radial cell setose; postmarginal vein 0.8 × as long as stigmal vein; stigmal vein slender. Hind wing transparent, apex rounded (Fig. 311). Forewing WIP (Fig. 312) with apical ½ yellow and basal ½ blue/yellow (=green), the two areas separated by narrow bands in magenta and blue.

Petiole yellowish brown. Gaster dark brown with purple and green metallic tinges; elongate and 1.4 –1.6× as long as length of mesosoma; 7th tergite 0.1 × as long as length of gaster.

Male. Length of body 1.3 mm. Features as in female except as follows. Antenna with scape expanded, distinctly wider than in female (Fig. 318), inner surface with apical ½ dark brown with metallic tinges and inner ½ yellowish white, outer surface yellowish white with metallic tinges, dorsal edge dark brown; pedicel + flagellum 3.2 × as long as distance between eyes; first flagellomere 1.1 × as long as second flagellomere; flagellomeres with scattered setae; clava 1-segmented. Face bright bluish green metallic (Fig. 310), smooth (Fig. 319); clypeus bright bluish green metallic, trapezoid, 1.6 × as wide as high; gena dark brown and shiny; lower frons golden green, smooth; interscrobal area golden green; upper frons golden, smooth; vertex dark brown with metallic tinges, with engraved weak reticulation (Fig. 320).

Mesosoma, wings and legs as in female.

Petiole yellowish brown, as long as wide with anterior part narrowing off. Gaster dark brown with metallic tinges, 1.2 × as long as length of mesosoma. Phallobase and aedeagus as in Fig. 494.

Hosts.

Associated with Picea ( Gijswijt 1976), but not reared from host.

Distribution.

Germany ( Askew 2003), Ireland (new record), Netherlands (new record), Russia (new record), Sweden (new record), United Kingdom ( Askew 2003) (Fig. 524).

Species of aetius-group not treated here (see above), with remarks on the type specimens for the species