Tobacco Caterpillar Braconid vs Green Shield Bug

Side-by-side species comparison

Attribute Tobacco Caterpillar Braconid Green Shield Bug
Scientific Name Microplitis demolitor Palomena prasina prasina
Order Hymenoptera Hemiptera
Family Braconidae Pentatomidae
Size 2-4 mm 12-14mm
Habitat Farmland Farmland
Diet Parasitoids Sap Feeders
Regions North America, South America, Australia Europe
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.

💡

Did You Know?

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

Green Shield Bug

A common bright green shield-shaped bug that turns bronze-brown before hibernation. A distinctive spring and autumn insect.

💡

Did You Know?

The color change from green to bronze is triggered by day length shortening in autumn, not temperature.