Urocerus augur Klug.From: Kolk A., Starzyk J. R., 1996: The Atlas of Forest Insect Pests Occurrence: Widespread in Europe, except the northern parts, also in the central Asia and Morocco. Host plants: Mainly the common fir, rarely the Norway spruce and Scots pine. Morphology: The body length of males is 17-20 mm, while females usually are bigger, 18-40 mm in length. The body is elongated, cylindrical. The head is yellow, sporadically black in the front, but in this case always yellow behind eyes. Females are reddish-yellow. The ventral part of abdomen is brownish or black. Dorsal third to seventh segments are black with yellow margins. Legs are yellow with a brownish femora and distal parts of tibiae. The male adult is brownish-yellow with reddish legs. Antennae are filiform, long. Wings are transparent, hyaline. Larvae are whitish with the brownish head and three pairs of very short legs. There is the short dark spine on the apex of larva's abdomen. The mature larva is up to 40 mm long. The pupa is whitish, 30-35 mm long. Biology: Similar to U. gigas. Damage: Similar to U. gigas, but rarely, thus of a low economic importance. Preventive measures and control: Similar to U. gigas. |














