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Description of a new species of Grahamisia Delucchi from Sri Lanka and key to the world species (Hymenoptera: Chalcidoidea: Pteromalidae)

2004; Wildlife Information Liaison Development Society; Volume: 19; Issue: 9 Linguagem: Inglês

10.11609/jott.zpj.1208.1616-8

0973-2551

P. M. Sureshan, T. C. Narendran,

Insect-Plant Interactions and Control

antennal scape whitish-yellow with a brown band on ventro basal part, pedicel and first five and base of fifth funicular segments pale brown, upper part of F6, F7 completely and club whitish-yellow.Head: (including scrobe) Uniformly and moderately reticulate; clypeal area slightly raised, anterior margin straight, slightly wider than long; clypeal and paraclypeal area finely reticulated and with minute piliferous punctures, malar grooves distinct.Head in dorsal view 2.1x as wide as long; vertex with three pairs of dark brown setae; POL 1.2x OOL; genae weakly reticulate; malar space little shorter than half length of eye; eyes separated 0.9x their height, eye 1.4x as long as wide in profile; scrobe wide, not reaching median ocellus.Head in front view 1.13x as wide as long.Antennae inserted above lower margin of eyes, interantennal area slightly raised, toruli separated slightly more than their individual diameter, scape little shorter than eye, pedicel plus flagellum 1.4x as long as head width, pedicel slightly shorter than F1 and F2 combined; funicular segments slightly widening towards the tip; F1-F3 equal, F4-F6 slightly shorter than F3; F7 as long as F3, club three segmented, but sutures not distinct, as long as 3.5 preceding segments combined and 2.7x as long as wide.Thorax: Yellowish-brown.Pronotum distinctly reticulate punctuate dorsally, lateral panel transversely striate.Mesoscutum 1.6x as wide as long, reticulate punctuate, reticulation stronger on median lobe than on sides, notauli meet in the middle, each scapula with a seta distally, black spot distinctly punctured.Scutellum medially 0.6x as long as mesoscutum, with 2 pairs of setae, frenal area longitudinally striate.Propodeum medially 0.82x as long as mesoscutum, finely reticulate without median carina, plicae on either side united above base of nucha to form of a 'V'-shaped structure with several small oblique longitudinal carinulae on either side.Prepectus smooth.Mesopleuron transversely striate except in subalar area smooth.Metapleuron smooth.Brachypterous, forewing stump just short of reaching base of petiole, as long as hind coxa, with a brown spot on the tip, with 4 strong brown setae (third one lost in the holotype, but present in the paratype), tegulae also with a short seta.Fore and hind coxae and basal part of hind femora whitish-yellow, remainder of legs yellowishbrown; hind coxae transversely striated dorsolaterally, 2x as long as broad.Relative lengths of hind coxa 11, femur 18, tibia 20, tarsus 16.Gaster: Yellowish-brown dorsally except with an yellow transverse band covering hind part of T1 and base of T2,