Where are dobsonflies located?

Where are dobsonflies located?

The dobsonfly is found throughout most of eastern North America east of the Continental Divide from Canada to Mexico near flowing streams which provide habitat for its larvae.

Where do Dobson flies lay eggs?

Female dobsonflies lay eggs very soon after mating. They produce up to three masses of eggs, usually on the undersides of leaves, branches, or other structures over-hanging a stream. Each mass may contain as many as 1000 eggs, laid in 1-5 layers and covered with a white protective material.

Why is there a dobsonfly in my house?

The main reason why these insects enter into homes is their attraction to lights. The closer you live to a river or stream, the more likely it is that you will come across these insects.

Where do Dobson flies come from?

Dobsonflies develop from underwater larvae known as hellgrammites. The larvae live for up to three years among rocks on the bottom of flowing rivers and streams where they feed on insects and small fish. They typically occur only in high quality, well-oxygenated water.

Are dobsonflies rare?

The dobsonfly is an uncommon aquatic insect Being so close to water, aquatic insects were commonplace.

What eats the dobsonfly?

Adults are eaten by many fish, birds and bats. Using their long mandibles, males grab females around their wings.

Are dobsonflies common?

The larvae (commonly called hellgrammites) are aquatic, living in streams, and the adults are often found along streams as well. The nine genera of dobsonflies are distributed in the Americas, Asia, and South Africa….

Are dobsonflies in Pennsylvania?

Most dobsonflies in Pennsylvania emerge in spring and summer. Adult dobsonflies live only a few days. They are large, weak fliers.