Crucifer Flea Beetle vs Fall Webworm

Side-by-side species comparison

Attribute Crucifer Flea Beetle Fall Webworm
Scientific Name Phyllotreta cruciferae Hyphantria cunea
Order Coleoptera Lepidoptera
Family Chrysomelidae Erebidae
Size 2-3 mm 25-42 mm wingspan
Habitat Grasslands Grasslands
Diet Herbivores Herbivores
Regions North America, Europe North America, Europe, Asia
Conservation Not Evaluated Not Evaluated

Crucifer Flea Beetle

A shiny black jumping beetle that causes shothole damage on canola and mustard seedlings. It is one of the most serious pests of prairie canola crops.

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Did You Know?

Canola seed treatments with neonicotinoids were developed primarily to combat this beetle.

Fall Webworm

A native North American moth whose caterpillars build communal silk webs on tree branches. It has become invasive in Europe and Asia.

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Did You Know?

Unlike tent caterpillars, fall webworm nests enclose the foliage the larvae are feeding on.