Dirhininae is a subfamily of chalcidid wasps in the family Chalcididae. There are four genera.
Dirhinini have a pair of horns on the head and found in the tropics. This group has more than 100 species but many are undescribed.
It develops as a parasite using a host, usually various Brachycera.
The wasp uses its horns, mandible, and their heavy body to emerge from the host.
References
External links
Dirhininae in the Universal Chalcidoidea Database