Flattened Giant Millipede Beetle vs Ash Whitefly Parasitoid

Side-by-side species comparison

Attribute Flattened Giant Millipede Beetle Ash Whitefly Parasitoid
Scientific Name Passalus unicornis Encarsia inaron
Order Coleoptera Hymenoptera
Family Passalidae Eulophidae
Size 30-45 mm 0.5-1 mm
Habitat Woodlands Woodlands
Diet Wood Feeders Parasitoids
Regions Central Africa (Cameroon, Gabon, DRC, Congo) Europe, Asia, North America
Conservation Least Concern Least Concern

Flattened Giant Millipede Beetle

A large, flattened bess beetle with a shiny black body and a small horn on the head. Adults and larvae live together in rotting logs in a subsocial arrangement. Adults produce sounds by rubbing their hindwings against the abdomen.

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Did You Know?

Parents feed their larvae pre-chewed wood and communicate with them using stridulatory sounds, one of the few examples of parental care in beetles.

Ash Whitefly Parasitoid

A minute parasitoid wasp that attacks whitefly nymphs on ash trees and other hosts. It was introduced to California to control the ash whitefly.

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Did You Know?

It successfully eliminated ash whitefly as a pest in southern California within just a few years of introduction.