SIZE: 9-12 mm. COLOUR: Brownish yellow, with several pale and dark markings.

ROSTRUM (beak): First segment thick, directed away from head, exposed, at most with its base lying between bucculae (ridges underneath head)

HUMERI (pronotum hind corners) pointed like a spine. SIDES OF ABDOMEN with hind corner of segments pointed like a black-tipped spine.

THORAX UNDERSIDE without ear-shaped scent gland opening between mid and hind legs. ABDOMEN UNDERSIDE with strong spine, extended forward as far as mid legs.

BODY LENGTH: About 8 mm. COLOUR: Mostly black; thorax, wing pads with whitish outline; abdomen yellowish white with orange red tinge, 2 large black transverse plates between 2 smaller plates near midline; legs dark with broad pale middle band; antennae black, segment 2, often 3, yellowish red at tip. WING PADS pointed at tip.