DRAIN FLIES - Entomology

drains, sewage treatment beds and standing water. H ow ever, w hen food i s sc arce t hey b ecom e canni ba listic. Following a feeding period, larvae pupate and soon em erge as adul t flies. Adu lts live o nly three to four days without foo d, but they can sur vive f or wee ks if nec tar or other liquid carbohydrate sources are available. ................
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