Alder Spittlebug vs Cave Cixiid

Side-by-side species comparison

Attribute Alder Spittlebug Cave Cixiid
Scientific Name Aphrophora alni Oliarus polyphemus
Order Hemiptera Hemiptera
Family Aphrophoridae Cixiidae
Size 8-10 mm 4-6 mm
Habitat Woodlands Caves
Diet Sap Feeders Sap Feeders
Regions Europe, Asia Hawaii, Big Island
Conservation Least Concern Vulnerable

Alder Spittlebug

A common European spittlebug found on willows and alders. Nymphs produce copious frothy spittle masses and adults can jump impressive distances.

💡

Did You Know?

The frothy spittle mass protects the nymph from temperature extremes, predators, and parasitoids while also preventing desiccation.

Cave Cixiid

A remarkable cave-adapted planthopper from Hawaiian lava tubes that has lost its eyes and wings. Its body is pale and depigmented, adapted to complete darkness.

💡

Did You Know?

This eyeless cave-dwelling planthopper was one of the first species used to study speciation in cave systems, with different populations in separate lava tubes diverging into distinct species.