Plant Parasites of Europe

leafminers, galls and fungi

Pachycerus segnis

Pachycerus segnis (Germar, 1824)

on Boraginaceae


weevil larvae in an egg-shaped swelling, up to 3 cm long, of the root collar; probably they pupate in the soil.

host plants

Boraginaceae, oligophagous

Anchusa azurea; Cynoglossum cheirifolium, creticum; Echium vulgare; Heliotropium europaeum.


Pachycerus cordiger (Germar, 1819) nec Fuessly, 1775; P. madidus Schoenherr, 1823 nec (Olivier, 1807); Buhr inadvertently cited the species as P. madidus (Olivier).


Buhr (1964a), Dauphin & Aniotsbehere (1997a), Dieckmann (1983a), Houard (1909a), Mifsud & Colonnelli (2010a), Rheinheimer & Hassler (2010a), Stejskal & Trnka (2013a).

Last modified 8.iii.2020