Western corn rootworm
Larva — Coleoptera
Identification key : 
Leaf beetle larva and allies (Larva) 
Beetles (others) (Adult (and nymphs resembling the adult))
Scientific name : Diabrotica virgifera virgifera
Other names : Corn rootworm
Yellow beetle with black stripes, about 5 mm long, native to the Americas and present in Europe since 1992. Larvae live in the soil and feed on maize roots, causing plants to lodge («goose-necking»); adults eat silks and pollen. Females lay eggs in maize fields, so the insect depends mainly on maize grown year after year.
Crops affected : Corn
Source : Diabrotica virgifera virgifera (DIABVI)[Overview] — EPPO Global Database — EPPO
This page lists the bio-preparations in the collection that other references associate with this opportunist: Western corn rootworm.
Warning: the associations between recipes and opportunists come from other references (traditional practices, publications, user feedback). They are neither a recommendation nor a claim of effectiveness. There is no certainty regarding the preparation, application and use of these bio-preparations. See the regulations
No published recipe is associated with this opportunist yet.
Rust Caterpillars / worms Beetles Weevil Helminthosporium leaf spot European corn borer Fall armyworm Stolbur (bois noir) Fusarium head blight Sugarcane borer Cotton bollworm (Helicoverpa) Aster yellows