Caterpillar Tachinid vs European Cherry Fruit Fly

Side-by-side species comparison

Attribute Caterpillar Tachinid European Cherry Fruit Fly
Scientific Name Lydella thompsoni Rhagoletis cerasi
Order Diptera Diptera
Family Tachinidae Tephritidae
Size 5-8 mm 4-5 mm
Habitat Farmland Orchards
Diet Parasites Omnivores
Regions Europe, North America Europe, Western Asia
Conservation Least Concern Least Concern

Caterpillar Tachinid

A small gray parasitic fly that attacks European corn borer larvae. It was introduced to North America as a biological control agent.

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Did You Know?

Females deposit live larvae rather than eggs directly onto the host caterpillar.

European Cherry Fruit Fly

A small black fly with distinctive wing banding that infests sweet and sour cherries. Larvae feed inside cherries, causing them to rot and drop.

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Did You Know?

It is a textbook example of sympatric speciation, with host races on sweet and sour cherries.