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Syrphid Flies

syrphid fly

These flies are called by several names

These flies are called by several names, such as flower flies or hover flies. Most are brightly colored, yellow or orange and black, and may resemble bees or yellowjacket wasps. However, syrphid flies are harmless to people. Usually they can be seen feeding on flowers. It is the larval stage of the syrphid fly that preys on insects. Variously colored, the tapered maggots crawl over foliage and can eat dozens of small, soft-bodied insects each day. Syrphid flies are particularly important in controlling aphid infestations early in the season, when cooler temperatures may inhibit other predators. Similar in appearance to syrphid fly is a larvae. The larvae is a small, bright orange predatory midge (Aphidoletes). These insects often can be seen feeding within aphid colonies late in the season.



 

 

 

Syrphid flies are particularly important in controlling aphid infestations early in the season.

 

 


 

 
 
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