Posted by Orseolia on 07-09-2011 08:58
#8
These are excellent images of Ozirhincus tanaceti on Tanacetum vulgare. Larvae develop in the slightly swollen bases of florets. A number of other Anthemidae are also hosts, notably Achillea millefolium. Five species of Ozirhincus are currently listed in the world catalogue of Cecidomyiidae.
Keith Harris