Eurymeros tumespiraculum Bhat 1980

Gupta, Ankita & Achterberg, Cornelis Van, 2022, Review of the Indian species of the genus Eurymeros Bhat (Braconidae: Alysiinae) with some nomenclatural changes, Zootaxa 5162 (5), pp. 576-582 : 577-578

1. Eurymeros tumespiraculum Bhat 1980

( Figs 2 & 3 )

Eurymeros tumespiraculum Bhat 1980 , Entomon 5(2): 157.

Type locality. India: Himachal Pradesh: Dalhousie .

Distribution. India: Himachal Pradesh.

Material examined. India. 2♀; Himachal Pradesh, Chamba District, Dalhousie , 32.5387° N, 75.9710° E, 25 Sept. 2014; Ankita Gupta leg; ( NIM), code— NBAIR /Brac/Alys/Eury/25914 ( NIM).

Redescription

Female. Body length (including ovipositor) 5.4 mm ( Fig. 2 ); fore wing length 4.6 mm.

Colour. Head black; eyes grey; clypeus yellowish brown; mandibles yellowish with dark brown margins, median tooth dark brown; palpi off white; ocelli transparent; antenna with scape and pedicel yellowish brown remaining flagellum brown; mesoscutum dark reddish brown except black lateral sides and black median depression; scutellum and propodeum black; legs in general yellowish with fore and mid femora, tibiae and tarsi darker except hind femur with apical three fourth dark brown, basal one fourth pale yellow and extreme basal margin dark brown; hind tibia brown; wings hyaline with pterostigma dark brown; metasoma with T1 black, remaining tergites reddish brown dorsally and yellowish laterally; ovipositor brown.

Head. Antenna 27 segmented, 0.8 × as long as body; scape 2.4 × as long as wide, F1 3.3 × as long as wide; F2 2.2 × as long as wide; F1 1.3× as long as F2; head transverse, ca. 1.4 × as wide as long in dorsal view, temple and vertex smooth and shiny ( Fig. 3C ), widest distance from eyes 1.8 × as long as eye dorsally; eye length 2.4 × temple in dorsal view; POL: OOL: OD (relative) = 10.9: 15.3: 7.8; malar space subequal to basal width of mandible; face setose, clypeus smooth, distinctly separated from face in colouration. Head 1.2 × as wide as long in frontal view ( Fig. 3A ). Mandible with a sharp protruding median tooth, lateral sides of tooth blunt ( Fig. 3B ).

Mesosoma . Mesosoma ( Fig. 3F ) 1.6 × as long as wide in dorsal view, mesoscutum smooth with median oval depression situated little above the posterior margin in the apical half; notauli absent; scutellum, mesopleuron ( Fig. 3D ) and metapleuron smooth. Propodeum with median carina surrounded by deep crenulae forming two parallel submedian carinae in basal half, submedian carinae bifurcating in apical half; basal half smooth and shiny and apical half with irregular and prominent rugae/carinae appearing as wide reticulations. Wings ( Fig. 3E ). Fore wing 2.7 × as long as wide; pterostigma 5.5 × as long as wide, r arising before middle of pterostigma. Fore wing vein ratio: r:2-SR:3-SR:SR1 = 0.15: 0.46: 0.65: 1.38; 1-SR+M 0.43, not sinuate; 1Cu1: 2Cu1: m-cu – 0.06: 0.44: 0.30. Legs. Hind femur distinctly widened with 7 teeth (one large, 4 medium and two small) and one truncated protuberance ( Fig. 3H ), hind basitarsus 0.4 × as long as hind tibia. Ratio of hind femur: hind tibia: hind tarsus: hind basitarsus-1.4: 1.6: 1.4: 0.6.

Metasoma. Metasoma elongated ( Fig. 3G ); T1 with irregular carinae giving rugose appearance, remaining tergites smooth; T1 1.2 × as long as broad apically (in dorsal aspect), T1 lateral length 0.7; relative median length (T2−T7) 0.49: 0.33: 0.28: 0.27:0.32: 0.09; ovipositor length 1.3 mm, subequal to hind femur in length.

Figures

FIGURE 2. Female of Eurymeros tumespiraculum Bhat, female, India, habitus, lateral aspect.

FIGURE 3. Female of Eurymeros tumespiraculum Bhat, female, India. A. Head in frontal aspect (500 μm); B. Head in lateral aspect with mandible; C. Vertex; D. Mesopleuron; E. Wings; F. Mesosoma; G. Metasoma; H. Hind femur