Grape Flea Beetle vs Saunders' Case Moth

Side-by-side species comparison

Attribute Grape Flea Beetle Saunders' Case Moth
Scientific Name Altica chalybea Metura saundersi
Order Coleoptera Lepidoptera
Family Chrysomelidae Psychidae
Size 4-5 mm Case up to 8 cm long; male moth 1.5-2 cm wingspan
Habitat Orchards Heathland
Diet Herbivores Herbivores
Regions Eastern North America Australia
Conservation Least Concern Least Concern

Grape Flea Beetle

A small, metallic dark blue beetle with enlarged jumping legs that feeds on grape buds and young foliage. It can cause significant economic damage in vineyards by destroying developing buds.

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Did You Know?

Adults emerge in early spring to feed on swelling grape buds, and a single beetle can destroy multiple buds before leaves fully develop.

Saunders' Case Moth

A smaller relative of the large case moth that constructs a tapering case of silk and plant debris. Males are dark, short-lived moths while females remain in their cases.

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Did You Know?

Each case is individually crafted and can take over a year to fully construct.