Omphale clymene (Walker)

Hansson, Christer & Shevtsova, Ekaterina, 2012, Revision of the European species of Omphale Haliday (Hymenoptera, Chalcidoidea, Eulophidae), ZooKeys 232, pp. 1-157 : 46-49

Omphale clymene (Walker) Figures 154-168487512

Entedon clymene Walker, 1839:91. Lectotype female in BMNH, examined.

Omphale clymene (Walker), Graham (1959).

Omphale clymene (Walker), Graham (1963).

Material.

Type material. Lectotype female, type no. 5.2037 in BMNH. Additional material. 134♀ 4♂: Denmark 1♀ (LUZM), France 8♀ (BMNH, RMNH), Germany 1♀ (RMNH), Hungary 54♀ (BMNH, CH), Netherlands 5♀ (RMNH), Slovenia 1♀ (RMNH), Sweden 38♀ 4♂ (CH), United Kingdom 26♀ (BMNH).

Diagnosis.

Forewing speculum open below (Fig. 159), postmarginal vein 1.8-2.0 × as long as stigmal vein, with 3-6 admarginal setae; female antenna with first flagellomere slightly enlarged and distinctly wider than second flagellomere (Fig. 162), flagellomeres 1-4 with a set of long setae attached at base and reaching beyond apex of flagellomere attached to; male antenna with flagellomeres with verticillate setae (Fig. 166); coxae yellowish brown (Fig. 154); forewing with row of admarginal setae with all, or most, from ventral marginal vein and with radial cell (usually) bare (Fig. 159). Male genitalia: phallobase (Fig. 487) with volsellar setae on long extensions and with apex of setae 0.2 × the length of setae from apex of phallobase, digitus triangular and as long as wide; aedeagus short and stout (Fig. 487), with penis valves 1.8 × as long as wide.

Description.

Female. Length of body 1.1-1.6 mm. Antenna with scape yellowish brown with dorso-apical ⅓ dark brown; pedicel and flagellum dark brown; pedicel + flagellum 1.8 × as long as distance between eyes; first flagellomere 1.0 × as long and 1.3 × as wide as second flagellomere (Fig. 162); flagellomeres 1-4 with scattered short setae and ventrally with a set of long setae attached at base and reaching beyond apex of flagellomere attached to; longitudinal sensilla on flagellomeres as long as flagellomere attached to; clava 2-segmented. Face dark brown with golden tinges (Fig. 157), strigose (Fig. 163); clypeus dark brown with green metallic tinges, smooth, semicircular to trapezoid, 2.0 × as wide as high; gena dark brown with golden tinges; lower frons golden with green metallic tinges or spots, purple metallic, or bluish green metallic, with raised weak reticulation; interscrobal area smooth; antennal scrobes join frontal suture separately; frontal suture V-shaped; upper frons golden red with very weak reticulation, shiny; vertex golden with green tinges to purple metallic, smooth outside ocellar triangle, with very weak reticulation inside triangle (Fig. 164). Occipital margin rounded (Fig. 164).

Mesoscutum golden green, bronze (Fig. 155), or blue metallic, with engraved reticulation (Fig. 161), midlobe with two pairs of setae; notauli as indistinct impressions in posterior ½. Scutellum black with green metallic tinges, golden, bronze (Fig. 155), or blue metallic, with engraved reticulation (Fig. 161); 1.2 × as long as wide, with anterior margin smoothly curved forwards. Axillae black with green metallic tinges or bronze (Fig. 155). Dorsellum black with golden and green metallic tinges (Fig. 155), smooth and flat (Fig. 161), with posterior margin raised, 0.3 × as long as wide, and 0.5 × as long as length of median propodeum. Lateral pronotum green metallic (Fig. 154); propleuron dark brown with metallic tinges; prepectus black metallic; acropleuron dark brown; mesepisternum dark brown with metallic tinges; mesepimeron dark brown metallic; transepimeral sulcus distinctly curved. Propodeum golden with green and purple metallic tinges (Fig. 155), or blue metallic, smooth (Fig. 161); propodeal callus with two setae. Coxae yellowish brown (Fig. 154), fore- and hind coxa with base dark brown; femora, tibiae and tarsi yellow; midleg with first tarsomere 0.3 × as long as length of tarsus. Forewing transparent, veins yellowish brown and setae dark brown (Fig. 159); speculum open; admarginal setae 3-5, arising from marginal vein and from membrane just below vein; radial cell bare; postmarginal vein 1.8 –2.0× as long as stigmal vein; stigmal vein long and slender. Hind wing transparent, apex rounded (Fig. 159). Forewing WIP (Fig. 160) with apical ½ magenta, basal ½ predominantly blue, border between apical and basal parts a mix of magenta and blue, basal ½ with a small ovate magenta spot just behind marginal vein and just before stigmal vein.

Petiole yellow to yellowish brown. Gaster with first tergite green metallic, remaining tergites dark brown with golden, purple and green metallic tinges, smooth, elongate and 1.4 –1.5× as long as length of mesosoma; 7th tergite 0.09 × as long as length of gaster.

Male. Length of body 1.1-1.2 mm. Features as in female except as follows. Antenna with scape with outer surface yellowish white, inner surface dark brown with green and blue metallic tinges, with dorsal edge dark brown; pedicel + flagellum 2.4 × as long as distance between eyes; flagellomeres 1-4 with verticillate setae (Fig. 166); clava 1-segmented. Face bluish purple metallic (Fig. 158); clypeus bluish purple metallic or bluish green metallic, rectangular (Fig. 167), 1.8 × as wide as high; gena golden red; lower frons blue metallic, with raised reticulation; interscrobal area with weak reticulation; upper frons bluish green metallic, smooth; vertex inside ocellar triangle purple metallic, outside triangle golden green.

Mesoscutum bluish green metallic (Fig. 156), with engraved reticulation (Fig. 165). Scutellum green metallic with blue metallic tinges (Fig. 156), with engraved reticulation (Fig. 165); 1.1 × as long as wide. Axillae golden green (Fig. 156). Dorsellum blue metallic (Fig. 156). Lateral pronotum golden; propleuron blue metallic; upper mesepimeron purple metallic; lower mesepimeron dark brown metallic. Propodeum bluish green metallic (Fig. 156). Legs with coxae yellowish brown to pale brown with base dark brown; femora pale brown; tibiae and tarsi yellowish brown. Forewing tran-sparent, veins yellowish brown and setae dark brown; admarginal setae 5-6; postmarginal vein 2.0 × as long as stigmal vein.

Petiole dark brown. Gaster with first tergite bluish green metallic, remaining tergites black with golden and green metallic tinges, smooth, 1.3 –1.4× as long as length of mesosoma. Phallobase and aedeagus as in Fig. 487.

Host.

Dasineura pyri ( Diptera : Cecidomyiidae ) (new record).

Distribution.

Czech Republic ( Bouček and Askew 1968), Denmark (new record), France (new record), Germany ( Bouček and Askew 1968), Hungary (new record), Netherlands ( Gijswijt 1976), Russia ( Yefremova 2002), Slovenia (new record), Sweden ( Hansson 1991), United Kingdom ( Walker 1839) (Fig. 512).