Tobacco Caterpillar Braconid vs Swede Midge

Side-by-side species comparison

Attribute Tobacco Caterpillar Braconid Swede Midge
Scientific Name Microplitis demolitor Contarinia nasturtii
Order Hymenoptera Diptera
Family Braconidae Cecidomyiidae
Size 2-4 mm 1.5-2 mm
Habitat Farmland Farmland
Diet Parasitoids Gall Makers
Regions North America, South America, Australia Europe, North America
Conservation Not Evaluated Least Concern

Tobacco Caterpillar Braconid

A small endoparasitoid wasp that injects polydnavirus along with its eggs into caterpillar hosts. It is an important natural enemy of soybean looper and corn earworm.

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Did You Know?

It injects a symbiotic virus along with its eggs that suppresses the caterpillar's immune system.

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.