Food Sources
Earthworms are a major source of food for Pollenia rudis. The main species of earthworm that these cluster flies infect are Aporrectoda caliginosa, Aporrectoda chlorotica, Eisenia lucens, Lumbricus rubellus, and Lumbricus terrestris. Immediately after the larvae hatch, they begin looking for worms. The first instar larvae eat their way through the integument section of the earthworm’s epidermis. While feeding, the P. rudis larvae leave the spiracles outside of the earthworm. Inside the earthworm, the larvae feed until they are ready to pupate. The adult P. rudis are, in most cases, herbivores. They feed on many types of organic matter. Plant sap, fruit, flowers and feces are common energy pathways for P. rudis. P. rudis is also attracted to malt extract, acetyl acetate and the proteins in animal meat.
Read more about this topic: Pollenia Rudis, Characteristics
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