Madeiran Ground Beetle vs North American Alderfly

Side-by-side species comparison

Attribute Madeiran Ground Beetle North American Alderfly
Scientific Name Carabus lundbladi Sialis infumata
Order Coleoptera Megaloptera
Family Carabidae Sialidae
Size 20-25 mm 15-20 mm wingspan
Habitat Forests Rivers & Streams
Diet Predators Predators
Regions Madeira (Portugal) Eastern North America
Conservation Vulnerable Least Concern

Madeiran Ground Beetle

A large, black, flightless ground beetle endemic to the island of Madeira. It inhabits the ancient laurel forests that are remnants of a once-widespread subtropical forest.

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Did You Know?

Madeira's ancient laurel forests are a UNESCO World Heritage Site and harbor several endemic invertebrate species including this beetle that have survived there since before the last ice age.

North American Alderfly

A small, dark-winged alderfly common near ponds and slow streams across eastern North America. Adults are clumsy fliers often found resting on streamside plants.

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Did You Know?

Larvae spend one to two years burrowing in pond mud before emerging for a brief adult life of just days.