Dahlia Longhorn vs Rice Stem Borer Egg Parasitoid

Side-by-side species comparison

Attribute Dahlia Longhorn Rice Stem Borer Egg Parasitoid
Scientific Name Agapanthia dahli Trichogramma japonicum
Order Coleoptera Hymenoptera
Family Cerambycidae Trichogrammatidae
Size 10-22 mm 0.3-0.5 mm
Habitat Farmland Farmland
Diet Parasitoids Parasitoids
Regions Europe, Turkey, Iran, Central Asia Asia
Conservation Least Concern Least Concern

Dahlia Longhorn

A medium-sized longhorn with dense olive-green pubescence and a prominent yellow dorsal stripe on the pronotum. It is widely distributed across Europe and the Near East. Larvae develop inside the stems of umbellifers and composites.

💡

Did You Know?

Larvae create a distinctive plug of frass at the base of the stem before pupating inside a silken cocoon.

Rice Stem Borer Egg Parasitoid

A minute parasitoid wasp widely used in Asian rice paddies to control stem borer moths. It is mass-reared on factitious host eggs.

💡

Did You Know?

China alone produces trillions of these wasps each year for rice pest management.