Phorid flies on sticky tape
Photo: Whitney Cranshaw, Colorado State University, Bugwood.org
- Their common name, humpbacked fly, reflects their humpbacked appearance.
- Adults are about 1/64 - 1/4" in size.
- There are several species of small black flies that may occasionally become pests in buildings.
- These can include phorid flies which breed in decaying organic matter of plant or animal origin.
- Extremely large numbers of phorid flies on the first floor of a structure may indicate a broken drain or sewer line under the structure.
- Remove or dry the organic matter where the larvae live will eliminate the problem.
2020
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