Posted by Mucha Fero on 10-05-2011 02:51
#4
John Carr wrote:
Bibio. The strong tibial spurs are distinctive. The female uses them to dig a hole to lay eggs in. On the male they are useless as far as I know.
This is one of two European species that fly late in the year and have swollen hind tarsi in the male -- B. clavipes and B. lepidus.
John thank you very much.