Aleochara (genus - parasitoids)
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Aleochara (parasitoids) Gravenhorst, 1802
This is a large genus of rove beetles with a world-wide distribution and around 500 species. While other rove beetles are predators or scavengers, the members of the genus Aleochara are parasitoids of fly pupae. For example Aleochara bilineata is a parsitoid of the cabbage root fly (Delia radicum) and other Delia species and considered a useful natural enemy of Delia pest species. Females lay their eggs in the soil, then the hatching larvae search for pupae of their hosts, enter them and develop as solitary parasitoids.
Currently, the following species have been entered into the system:
