Japanese Beetle vs Lepidostoma Leaf Caddis

Side-by-side species comparison

Attribute Japanese Beetle Lepidostoma Leaf Caddis
Scientific Name Popillia japonica Lepidostoma quercinum
Order Coleoptera Trichoptera
Family Scarabaeidae Lepidostomatidae
Size 8-12 mm 8-11 mm
Habitat Gardens Rivers & Streams
Diet Herbivores Herbivores
Regions North America, East Asia, Europe North America
Conservation Not Evaluated Least Concern

Japanese Beetle

An iridescent green and copper beetle that skeletonizes leaves of over 300 plant species. Larvae are white grubs that damage lawns and turf.

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Did You Know?

Japanese beetles release aggregation pheromones that attract more beetles, leading to mass feeding frenzies on plants.

Lepidostoma Leaf Caddis

A caddisfly named for its association with oak-leaf-rich streams. Larvae build tidy rectangular cases from leaf squares.

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Did You Know?

Larvae preferentially select leaf pieces from certain tree species, showing clear dietary preferences.