Dermestid A scanning electron micrograph of a Dermestid beetle. This is a common indoor pest, and the larval fecal material is allergenic. May 6, 2014 | portfolio
Booklouse A booklouse is an indoor pest that produces allergenic fecal matter. May 6, 2014 | portfolio
Cladosporium A scanning electron micrograph of Cladosporium mold growth from a culture. May 6, 2014 | portfolio