In Missouri, deer and elk may be infected.
Many animals show no external sign of infection, although minor nasal discharge may be present.
Hunters frequently find the larvae in the head or body cavity while processing their deer.
The larvae range from white to yellowish brown and may average 1 to 13⁄8 inches in length.
No. People cannot be infected by nose botflies or their larvae.
There is no known risk to humans.
None. People are not at risk.
Meat from affected animals is safe for human consumption.
Yes. The meat is safe for animal consumption when it is cooked properly. Nasal botflies, however, can directly infect some livestock such as sheep and goats.
Developing larvae of botflies in the genus Cephenemyia. Adult female flies eject developing larvae into the nostrils of deer.