Mealworm Beetle vs Ragweed Leaf Beetle

Side-by-side species comparison

Attribute Mealworm Beetle Ragweed Leaf Beetle
Scientific Name Tenebrio molitor Zygogramma suturalis
Order Coleoptera Coleoptera
Family Tenebrionidae Chrysomelidae
Size 12-18 mm 6-8 mm
Habitat Gardens Grasslands
Diet Seed Feeders Herbivores
Regions Worldwide North America (native), introduced to Russia, China, Europe
Conservation Not Evaluated Least Concern

Mealworm Beetle

A dull black-brown darkling beetle best known for its larval form, the mealworm. It is commercially raised worldwide as animal feed.

💡

Did You Know?

Mealworms can digest polystyrene foam, offering a potential solution for plastic waste.

Ragweed Leaf Beetle

A brown beetle with dark longitudinal stripes on the elytra, introduced to several countries as a biocontrol agent against common ragweed. Both adults and larvae feed on ragweed foliage.

💡

Did You Know?

It was introduced from North America to the former Soviet Union in the 1970s as biological control against ragweed, a major hay fever allergen source.