pest photo

F. Bertaux, GRISP, Antibes, Bugwood.org
Arrowhead scale
Unaspis yanonensis

Arrowhead scale (Unaspis yanonensis) is an insect pest.

This scale reproduces quickly and feeds on twigs, leaves, and fruit of citrus trees. It has been one of the most devastating pests of citrus trees where infestations are present in Japan.

Map Icon
Survey Maps