frass in a sentence

Examples

1. The pupa is contained in an oval cocoon made of frass.
2. Pupation takes place inside a black, frass-covered ovate cocoon
3. The frass is black and deposited in an irregular central line.
4. Dorsally it is often covered with fragments of frass or detritus.
5. Most frass is deposited in the first part of the mine.
6. The frass is deposited in the first part of the mine.
7. The frass is light green at first but becomes grey later.
8. The frass is deposited in the oldest part of the mine.
9. Most frass is deposited in the oldest part of the mine.
10. Later, they spin a nest of silk webbing and frass.