Leucospis affinis, shown here, is a parasite of bees and wasps, especially those which nest in cavities in wood. The long ovipositor, which can be seen here running along the back of the abdomen, can penetrate through wood and reach the nest of the hosts. These wasps are relatively uncommon, and vary greatly in size based on the number of eggs which develop on a single host; more eggs mean smaller wasps.

Leucospis affinis