Swede Midge vs Sheep Ked

Side-by-side species comparison

Attribute Swede Midge Sheep Ked
Scientific Name Contarinia nasturtii Melophagus ovinus
Order Diptera Diptera
Family Cecidomyiidae Hippoboscidae
Size 1.5-2 mm 4-7 mm
Habitat Farmland Farmland
Diet Gall Makers Blood Feeders
Regions Europe, North America Cosmopolitan - worldwide where sheep are raised
Conservation Least Concern Least Concern

Swede Midge

A minute yellowish-brown gall midge that attacks brassica crops by distorting growing points. Its tiny larvae feed inside developing buds, causing characteristic twisted and swollen growth.

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Did You Know?

It was first detected in North America in 2000 and has since become a major emerging pest of brassica crops.

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.