Siphunculi dark at base (usually dark
throughout); hind coxae dark
Brown sowthistle aphid
Uroleucon sonchi (L.)
Siphunculi pale on basal portion; hind coxae pale
Potato aphid
Macrosiphum euphorbiae (Thomas)
Document 5312, submitted 07 November 2005
This document is made available subject to the conditions
outlined in the disclaimer and
copyright statement.
