Small Minnow Mayfly vs North American Spongillafly

Side-by-side species comparison

Attribute Small Minnow Mayfly North American Spongillafly
Scientific Name Callibaetis ferrugineus Climacia areolaris
Order Ephemeroptera Neuroptera
Family Baetidae Sisyridae
Size 7-11 mm 6-10 mm wingspan
Habitat Ponds & Lakes Ponds & Lakes
Diet Detritivores Omnivores
Regions North America Eastern North America
Conservation Least Concern Least Concern

Small Minnow Mayfly

A mottled brown mayfly common in still waters across North America. Nymphs are excellent swimmers that mimic small minnows.

💡

Did You Know?

It can produce up to three generations per year in warm climates.

North American Spongillafly

A small spongillafly found across eastern North America near fresh water. Its larvae feed on freshwater sponges attached to submerged rocks and logs.

💡

Did You Know?

Larvae pupate on land inside double-walled cocoons after crawling out of the water.