Entomophthora muscae (entomopathogen)
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Entomophthora muscae (entomopathogen) (Cohn) Fresen. 1856
This fungus is widely distributed, mainly in temperate regions. It has been reported to infect a variety of different Diptera like fruit flies, house flies or root flies. However, some of these reports might refer to the complex of closely related species, called Entomophthora muscae s.l. The species of this complex are morphologically indistinguishable and include, for example, Entomophthora schizophorae. Each member of this complex appears to have a more restricted host range, with Entomophthora muscae s.str. being most virulent to the house fly, but can infect other Diptera at a lower rate. In house flies the fungus causes higher mortality and forms larger conidia.
Like other species of Entomophthora, E. muscae induces infected flies to rest on top of a plant where it the fly dies, typically with the wings spread out. The fungus then emerges through the soft intersegmental membranes of the abdomen, forming first primary condia which are ejected from the host insect. The primary conidium germinates and forms a secondary condidium which can penetrate a new host.
- Other images of Entomophthora muscae (entomopathogen) (Wikimedia Commons - click to enlarge)
Melanostoma scalare infected by Entomophthora muscae
Scathophaga stercoraria infected by Entomophthora muscae
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