Bark lice

Pteroxanium kelloggi · Order: Psocodea · Family: Lepidopsocidae

Damages trees, gardens or crops. It feeds on a variety of trees and garden plants, which can damage gardens and forests.

The bug is brownish-orange with white spots.

How to recognize it

Its body is brownish-orange and covered with white spots.

It occurs in France, Great Britain, Ireland and Madeira.

Recorded in 3 of 51 states and DC. Most records: Washington, California, Oregon.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL

Darker = more records. Counts are museum and citizen-science records, not population size.

Source: GBIF

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Source: GBIF

What does Pteroxanium kelloggi look like?

It is brownish-orange with white spots.

What plants does it feed on?

It eats ash, cedar, gorse, ivy, larch, oak, pine, yew and rhododendrons.

Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia

Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.