Heydenia gibsoni Sureshan, 2009

Heydenia gibsoni Sureshan, 2009

( Figs 8B View FIGURE 8 , 9E View FIGURE 9 , 10 View FIGURE 10 )

Heydenia gibsoni Sureshan, 2009:114‒116 .

Material examined. INDIA: Karnataka, Doddaballapura , 26.vi.2024, coll. Hemanth ( 3♀ on separate cards) ; Karnataka, Chikkaballapur, Gudibande , 19.vii.2024, coll. Hemanth ( 1♀ and 1♂ on separate cards) .

Diagnosis. FEMALE. Body length 2.6–4.2 mm; face with iridescent lanceolate setae ( Fig. 10A View FIGURE 10 ); POL 2× OOL; gena reticulate with distinct smooth and shiny area below outer margin of eye ( Fig. 10C View FIGURE 10 ), extending to vertex ( Fig. 10B View FIGURE 10 ); antenna with clava subequal to combined length of preceding three segments ( Fig. 10C View FIGURE 10 ); lateral panels of pronotum angled at about 90° to the dorsal surface ( Fig. 10D View FIGURE 10 ) and with a punctate region as in Fig. 10E View FIGURE 10 ; axillae uniformly reticulate ( Fig. 10D View FIGURE 10 ); dorsellum smooth and shiny ( Fig. 10F View FIGURE 10 ); propodeal plical region with distinct median carina and plicae forming well defined hexagonal area ( Fig. 10F View FIGURE 10 ); profemur with ventral margin distally and protibia with dorsal margin having distinct spines ( Fig. 10G View FIGURE 10 ); fore wing with basal cell bare, infuscation near STV narrow, almost triangular, and with a small spot below ( Fig. 10I View FIGURE 10 ); metasoma with petiole wider than long, widening posteriorly ( Fig. 10H View FIGURE 10 ), Gt 1 and Gt 2 with posterior margins distinctly incised medially ( Fig. 10J View FIGURE 10 ); ovipositor sheath 1.6× length of metatibia ( Fig. 9E View FIGURE 9 ).

MALE. Closely similar to female but body length 2.2–3.6 mm and POL 1.4× OOL.

Variation. POL 1.45–2.00× OOL (females).

Biology. Complete biology unknown. In the present study the specimens were reared from dead branch cuttings of Pongamia pinnata (L.) Pierre. ( Fabaceae ) and an undetermined tree.

Distribution. India ( Karnataka) (new record), Sri Lanka ( Sureshan 2009).