Rice Water Weevil vs Children's Stick Insect

Side-by-side species comparison

Attribute Rice Water Weevil Children's Stick Insect
Scientific Name Lissorhoptrus oryzophilus Tropidoderus childrenii
Order Coleoptera Phasmatodea
Family Curculionidae Phasmatidae
Size 2.5-3.5 mm 100-150mm
Habitat Wetlands Woodlands
Diet Herbivores Herbivores
Regions South Asia (India, Sri Lanka; invasive pest spreading across Asian rice-growing regions) Oceania
Conservation Least Concern Least Concern

Rice Water Weevil

A small, grey-brown weevil that feeds on rice roots as a larva and on rice leaves as an adult. Adults create distinctive narrow feeding scars along the surface of rice leaves parallel to the leaf veins.

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Did You Know?

Larvae feed underwater on rice roots, surviving by obtaining oxygen from the rice plant's aerenchyma tissue through specialized spiracles.

Children's Stick Insect

A large Australian leaf insect with broad flattened body and legs. Females are vivid green and resemble eucalyptus leaves. Males are more slender and brown. It was named after the curator of the British Museum.

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Did You Know?

Despite its name, it was named after J.G. Children, a 19th-century zoologist at the British Museum, not for being child-friendly.