Asteroscopus sphinx, the sprawler, is a moth of the family Noctuoidea.

"Forewing pale luteous grey, more or less strongly dusted with olive grey: a thick black streak from base below cell, with a finer streak above and beyond it, and another beyond it below submedian fold; outer line marked by black vein dashes on a paler space; orbicular stigma flattened, elongate, edged with black; reniform large irregularly 8-shaped, the lower half angled and reaching below median vein: submarginal line pale, preceded by black wedgeshaped marks between veins and followed by black streaks from termen in the intervals, the indentation on submedian fold more strongly marked; veins towards margin finely black; fringe chequered pale and dark grey; hindwing whitish, grey-speckled, the veins darker: a dull grey cellspot, and marginal row of black lunules; the female is darker throughout, more brownish tinged.

The larva is bright velvety green; dorsal and subdorsal lines chalk white, the latter commencing only at segment 4; spiracular line yellowish white, with dark upper edge; face green with two yellow streaks.

The larvae feed on various deciduous trees and shrubs, such as Corylus avellana, Quercus, Fraxinus excelsior and Salix.

[2] Habitats include deciduous and mixed forests, but also such as hedges, gardens, to parks and avenues.