Sheep Ked vs Apple Maggot Fly

Side-by-side species comparison

Attribute Sheep Ked Apple Maggot Fly
Scientific Name Melophagus ovinus Rhagoletis pomonella
Order Diptera Diptera
Family Hippoboscidae Tephritidae
Size 4-7 mm 4-6 mm
Habitat Farmland Orchards
Diet Blood Feeders Fruit Feeders
Regions Cosmopolitan - worldwide where sheep are raised Eastern North America
Conservation Least Concern Least Concern

Sheep Ked

A completely wingless, tick-like blood-sucking fly that lives permanently in sheep wool. Its flattened body and strong claws allow it to cling firmly to wool fibers.

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Did You Know?

Despite being called a ked or tick, it is actually a true fly that has completely lost its wings through evolution.

Apple Maggot Fly

A fruit fly pest whose larvae tunnel through apple flesh causing brown trails. It is a textbook example of sympatric speciation by host plant shifting.

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Did You Know?

It shifted from native hawthorn to introduced apple trees in under 200 years, creating genetically distinct races.