Birch Leafminer vs African Stag Beetle

Side-by-side species comparison

Attribute Birch Leafminer African Stag Beetle
Scientific Name Fenusa pusilla Prosopocoilus savagei
Order Hymenoptera Coleoptera
Family Tenthredinidae Lucanidae
Size 3-4 mm (adult) 35-65 mm
Habitat Forests Forests
Diet Herbivores Wood Feeders
Regions Europe, North America West Africa, Central Africa
Conservation Not Evaluated Least Concern

Birch Leafminer

An invasive European sawfly that mines inside birch leaves in North America. Heavy infestations cause extensive browning and premature leaf drop.

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Did You Know?

Multiple generations per year cause increasingly severe browning through the growing season.

African Stag Beetle

A dark reddish-brown stag beetle with impressive mandibles in males. It inhabits forests where larvae develop in rotting wood.

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Did You Know?

Males lock mandibles and wrestle each other off branches to compete for mating rights.