Pachycerus segnis (Germar, 1824)

on Boraginaceae

gall

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.

synonyms

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

references

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

mod 15.v.2019