Posted by Tony T on 22-09-2007 17:08
#8
Tabanidae,
Hybomitra zonalis, female. 9 July 2005, NB, Canada. Length: range 14-18mm.
Black and yellow banding is quite common in many insects and is thought to be seen as a warning pattern to vertebrate predators. Black & Yellow banding, of course, is the basic colour pattern of stinging wasps which presumably form the model for this and the other wasp mimics.