The galls ... appear as small reddish or brownish blisters on the surface of the leaf ... [A] single gall produces a blister on both surfaces ... [E]mergence holes[, which] can be seen on both sides of a single leaf ... are round and tend to be in the center of the gall. The galls can be quite numerous ... in excess of 40 in a single square centimeter.
”- Schauff, M.E. & Garrison, R. : (2000) An Introduced Species of Epichrysocharis (Hymenoptera: Eulophidae) Producing Galls on Eucalyptus in California with Notes on the Described Species and Placement of the Genus©