Predatory flies and Mini Wasps are natural enemies of house flies (Musca domestica) and biting house flies - also called stable flies (Stomoxys calcitrans). They are often found in many pig and cattle stables. Miljøfluen® is specialized in producing predatory flies and mini wasps in such a large scale that farmers can benefit from the qualities of these small insects. Through the years Miljøfluen have gained much expertise in fly control in the various conditions in pig stables, cattle stables, mink farms, and other stables. We know exactly how to overcome the fly plague – throughout the year