Joseph Berger, Bugwood.org
leafy spurge gall midge (Spurgia esulae) adult(s)
USDA APHIS Plant Protection and Quarantine , USDA APHIS PPQ, Bugwood.org
(a) adult (b) gall made by midge larva (inset)
Norman E. Rees, USDA Agricultural Research Service - Retired, Bugwood.org
opened gall containing larvae and pupae
L.L. Berry, Bugwood.org
Eggs of the leafy spurge gall midge (Spurgia esulae), a biological control agent of leafy spurge (Euphorbia esula).
L.L. Berry, Bugwood.org
Gall caused by the leafy spurge gall midge (Spurgia esulae), a biological control agent of leafy spurge (Euphorbia esula).