How to Manage Pests

Pests in Gardens and Landscapes

Eucalyptus snout beetle—Gonipterus scutellatus

Adult eucalyptus snout beetles are rust-colored weevils. Their mouth parts are elongated into a short snout and they have clubbed antennae. Larvae are yellowish green in color with a dark stripe and black spots on each side.

Life cycle

Damage

Mature larvae and adult weevils feed only on eucalyptus foliage, the leaves appearing notched, ragged, or scalloped. Young larvae feed only within leaf veins, leaving the leaf epidermis alone.

Solutions

Eucalyptus snout beetle is controlled biologically by Anaphes nitens, an introduced parasitic wasp. No further control is necessary.

Adult eucalyptus snout beetle
Adult eucalyptus snout beetle

Eucalyptus snout beetle damage
Eucalyptus snout beetle damage


Statewide IPM Program, Agriculture and Natural Resources, University of California
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