New world screwworm (Cochliomyia hominivorax)

Last Modified: Thu, 22 Jun 2023 14:27:51 IST
Disease name New world screwworm (Cochliomyia hominivorax)
Animal Health Law Category if applicable N/A
Species affected Multiple(not specified)
Description The New World screwworm1 (NWS), Cochliomyia hominivorax (Coquerel), and the Old World screwworm1 (OWS), Chrysomya bezziana Villeneuve, are both obligate parasites of mammals, including humans, during their larval stages. Both species are in the subfamily Chrysomyinae of the family Calliphoridae of the order Diptera (true flies). Larvae feeding on the skin and underlying tissues of the host cause a condition known as wound or traumatic myiasis, which can be fatal.
Status in Ireland Absent
Date of Last known case of disease in Ireland Never reported
DAFM Division Responsible Bacteriology / Parasitology
Link to relevant external website
Notifiable in Ireland No
WOAH Listed Yes