Various shapes and sizes of hornet nests.

Bed bug - Various life stages, signs and feces stains.

A Carpenter Bee actively chewing on a wood soffit.

Various pictures of dead fleas and on a pant leg.

Various pictures of Powder Post Beetle activity

A termite swarmer (with wings), pictures of live termites (workers) and pictures of termite shelter tubes, often viewed in crawlspaces, basements, etc.