Walnut Husk Fly vs Rose Thrips

Side-by-side species comparison

Attribute Walnut Husk Fly Rose Thrips
Scientific Name Rhagoletis completa Thrips fuscipennis
Order Diptera Thysanoptera
Family Tephritidae Thripidae
Size 5-7 mm 1.2-1.6 mm
Habitat Orchards Orchards
Diet Fruit Feeders Pollen Feeders
Regions North America, Southern Europe Europe, Asia
Conservation Least Concern Not Evaluated

Walnut Husk Fly

A fruit fly whose larvae feed inside walnut husks, staining and damaging the nuts. It has become an invasive pest in European walnut-growing regions.

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Did You Know?

Larval feeding stains walnut shells black, making them unmarketable even though the nut inside may be fine.

Rose Thrips

A common European thrips found in rose flowers and other blossoms. It feeds on pollen and flower petals.

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Did You Know?

Rose thrips are one of the most frequently encountered insects when sniffing garden roses on summer days.