Pest-flies
Guides
Polleniidae
cluster flies
Polleniidae is a family of calyptrate flies in the order Diptera, commonly known as "cluster flies." The family was elevated from subfamily rank within Calliphoridae to full family status in 2019 based on phylogenetic evidence. It comprises approximately 150 species in eight genera, with Pollenia being the most diverse and widespread genus containing about 95 species. Members are primarily soil-dwelling and develop as endoparasitoids of earthworms.