Blue Leaf Beetle vs Westwood's Leaf Insect

Side-by-side species comparison

Attribute Blue Leaf Beetle Westwood's Leaf Insect
Scientific Name Colaspidema atrum Cryptophyllium westwoodii
Order Coleoptera Phasmatodea
Family Chrysomelidae Phylliidae
Size 4-6 mm 8-10 cm
Habitat Farmland Forests
Diet Herbivores Herbivores
Regions Southern Europe, North Africa, Western Asia Thailand, Malaysia, Indonesia
Conservation Least Concern Least Concern

Blue Leaf Beetle

A small, oval, dark blue to black beetle with a slight metallic luster. It can be a pest of lucerne (alfalfa) and other legume crops across Southern Europe and North Africa.

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Did You Know?

Large populations can rapidly defoliate alfalfa fields, with damage often concentrated in specific areas of a field called 'hot spots.'

Westwood's Leaf Insect

A large leaf insect named after the entomologist John Obadiah Westwood. Females are broad and bright green, mimicking fresh leaves.

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Did You Know?

Nymphs are reddish-brown when they hatch, mimicking dead leaves before turning green as they mature.