Large-legged Chalcid vs Desert Leaf-Footed Bug

Side-by-side species comparison

Attribute Large-legged Chalcid Desert Leaf-Footed Bug
Scientific Name Chalcis myrifex Narnia femorata
Order Hymenoptera Hemiptera
Family Chalcididae Coreidae
Size 4-7 mm 15-20 mm
Habitat Heathland Heathland
Diet Parasitoids Sap Feeders
Regions North America North America
Conservation Not Evaluated Least Concern

Large-legged Chalcid

A parasitoid wasp with conspicuously thickened hind femora used to brace itself while ovipositing. It attacks the pupae of tachinid flies and various Lepidoptera.

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Did You Know?

Despite looking like it could jump powerfully, those thick hind legs are mainly used for gripping, not leaping.

Desert Leaf-Footed Bug

A gray-brown bug with expanded hind legs found on cacti in the American Southwest. Males use their enlarged legs to wrestle rival males for mates.

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Did You Know?

Males with better nutrition as juveniles develop larger hind legs and win more fights for female access.