Rice Weevil vs Mediterranean Flour Moth

Side-by-side species comparison

Attribute Rice Weevil Mediterranean Flour Moth
Scientific Name Sitophilus oryzae Ephestia kuehniella
Order Coleoptera Lepidoptera
Family Curculionidae Pyralidae
Size 2-3.5 mm 10-14 mm body; 20-25 mm wingspan
Habitat Indoors Indoors
Diet Seed Feeders Seed Feeders
Regions Worldwide Worldwide
Conservation Not Evaluated Least Concern

Rice Weevil

A small reddish-brown weevil that is one of the most destructive stored grain pests worldwide. Adults bore into kernels to lay eggs inside.

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Did You Know?

A single female can lay up to 400 eggs in her lifetime, each deposited inside an individual grain kernel.

Mediterranean Flour Moth

A major pest of flour mills that produces dense silken webbing that clogs milling machinery. It is pale grey with zigzag markings on the forewings.

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Did You Know?

It was the first insect used to demonstrate biological pest control with parasitoid wasps in the early 1900s.