Howard G. Smith, Hunting Big Game in the City Parks, Ill. Anne Marie Jauss, Nasville, Abingdon Press, 1969, p. 223.
The caddisworms look like caterpillars, often live in portable houses, and sometimes spin silken nets in running water to catch the bits of plant and animal matter-upon which they feed. Their chief food supply consists of tiny plants and animals including the larvae of other insects.