They create a lobe case with many small leaf fragments attached to it.

The larvae are aquatic and form a case of leaf fragments.

The small leaf fragment remains part of the case.

They create a composite leaf case, built of 2-3 leaf fragments.

Some very large leaf fragments are found in the central part.

Pour about a quarter cup of acetone onto the leaf fragments.

They fully mine out a number of leaf fragments.

The fully developed case consists of three successive leaf fragments.

It is composed of two leaf fragments placed behind each other.

The case is composed of 8-10 small leaf fragments.