Omphale erugata, Hansson, Christer & Shevtsova, Ekaterina, 2012

Hansson, Christer & Shevtsova, Ekaterina, 2012, Revision of the European species of Omphale Haliday (Hymenoptera, Chalcidoidea, Eulophidae), ZooKeys 232, pp. 1-157 : 92-94

Omphale erugata sp. n. Figures 356-364528

Material.

Holotype female in BMNH, glued to a card, labelled: "ENGLAND: Middlesex, Southgate (1), 12.vii.1968, M.W.R. de V. Graham".

Diagnosis.

Frons and vertex smooth (Figs 363, 364); frontal suture very weakly V-shaped, almost straight (Fig. 363); occipital margin with an edge (Fig. 364); antennal scrobes join at frontal suture; notauli as distinct smooth and deep grooves in posterior ⅔, grooves gradually widening towards posterior part (Fig. 361); female gaster elongate (Fig. 356), 1.9 × as long as mesosoma; forewing with row of admarginal setae with all, or most, arising from ventral part of marginal vein and with radial cell bare (Fig. 359).

Description.

Female. Length of body 1.4 mm. Antenna with scape yellowish brown, pedicel and flagellum dark brown; pedicel + flagellum 1.5 × as long as distance between eyes; first flagellomere 1.1 × as long and 1.2 × as wide as second flagellomere (Fig. 362); flagellomeres with scattered short setae, flagellomeres 1-4 ventrally also with a set of long setae attached close to base and reaching beyond apex of flagellomere attached to; longitudinal sensilla on flagellomeres as long as flagellomere attached to; clava 1-segmented. Face golden, strigose; clypeus golden green (Fig. 357), strigose, semicircular (Fig. 363), 1.2 × as wide as high; gena dark brown with golden tinges; lower frons golden green, smooth; interscrobal area smooth; antennal scrobes join at frontal suture; frontal suture very weakly V-shaped, almost straight; upper frons and vertex golden, smooth (Fig. 364). Occipital margin with an edge (Fig. 364).

Mesoscutum golden purple (Fig. 358), with engraved and strong reticulation (Fig. 361), midlobe with two pairs of setae; notauli as distinct smooth and deep grooves in posterior ⅔, grooves gradually widening towards posterior part. Scutellum golden purple (Fig. 358), with engraved and strong reticulation (Fig. 361), with anterior margin curved forwards. Axillae golden purple (Fig. 358). Dorsellum golden (Fig. 358), smooth and flat (Fig. 361), 0.5 × as long as wide, and 0.9 × as long as length of median propodeum. Entire lateral mesosoma dark brown with metallic tinges (Fig. 356). Transepimeral sulcus weakly curved forwards. Propodeum dark brown with metallic tinges (Fig. 358), smooth (Fig. 361); propodeal callus with two setae. Legs with coxae and femora pale brown (Fig. 356); tibiae and tarsi pale brown; midleg with first tarsomere 0.3 × as long as length of tarsus. Forewing transparent, veins yellowish brown, setae dark brown (Fig. 359); speculum closed; admarginal setae 7, arising from marginal vein; radial cell bare; postmarginal vein as long as stigmal vein. Hind wing transparent, apex rounded (Fig. 359). Forewing WIP (Fig. 360) with apical ½ blue, basal ½ with bands in yellow, magenta and blue.

Petiole yellowish brown. Gaster with first tergite golden green, remaining tergites dark brown with metallic tinges, smooth, elongate and 1.9 × as long as length of mesosoma; 7th tergite 0.1 × as long as length of gaster.

Male. Unknown.

Hosts.

Unknown.

Distribution.

United Kingdom (Fig. 528).

Etymology.

From the Latin erugo = clear of wrinkles, smooth, referring to the smooth and shiny head.