Hypera postica Gyllenhal, 1813
Common names: Alfafa weevil, Lucerne (leaf)weevil, Clover leaf weevil [En], Phytonome de la luzerne, Phytonome variable [Fr], Luzerneblattnager [De], Punteruolo della medica [It], Gorgojo de la alfalfa, gusano verde [Es]
Tubize, BRABANT ● Belgium
Description: The adult is brown, 4-6.5 cm length, convex, oblong, with distinctive dark stripe along the back, 3 light stripes on the side, made of light hairs and irregular spots.
The rostrum is 3 times larger than long.
The larva (10-15 mm length) is green with a longitudinal white stripe and a dark head.
Biology: Female imagos lay 600 to 800 eggs in the stems and petioles of alfafa and other Fabaceae from Spring to Summer.
Larvae are active from early Spring.
Hibernation occur in form of adults, eggs or larvae.
Habitat: Meadows, fields of alfafa and other Fabaceae.
Distribution: Europe, Western Asia, Northern Africa – from Scandinavia to Egypt and Iran, introduced in North America (USA and Canada) from the beginning of the 20th century.
Wikipedia, Hypera postica [Fr]