May 7, 2018 A cluster fly is a large type of fly, which looks similar to ordinary houseflies. Cluster flies have yellowish golden hairs on the thorax region of their bodies and have a checkered dark and light coloured pattern on their abdomen. Their wings overlap across their gut, allowing them to easily fly. They are considered household pests because they tend to infest houses, especially during the winter season. Cluster flies prefer hibernating in a warm and sheltered env
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