Plain grey hawkmoth Psilogramma increta (Walker, [1865]) | Butterflies and Moths of North America

Family: Sphingidae

Subfamily:

Identification: Forewing upperside uniform grey in the pale form, with the transverse lines poorly defined; a black oblique bar at the apex of the discal cell; the apical lines, the costal part of the discal lines, and two discal streaks all very conspicuous against the pale background. In the dark form, all black markings heavier on the forewing upperside, and with a conspicuous black medio-costal area; apical area darker. The underside of the abdomen is usually pure white in this species and brownish in the very similar Psilogramma discistriga (Walker, 1856). Males can make a weak hissing sound by rubbing scales over spines at the end of the abdomen.

Wing Span: 3.6-4.8 cm

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Range: It is found from north-eastern China, Japan and Korea, south and east through China, Taiwan, Vietnam, Thailand, the Philippines and Peninsular Malaysia, to the Greater Sunda Islands, west through Myanmar, Nepal, Sri Lanka and India to Kashmir. It is an introduced species in Hawaii.

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