- Bed Bug (adult female)
- Bed Bugs (left: male; right: female) (4/26/2023)
- Bed Bugs (various instar stages; two smaller nymphs [top of photo] and two adults [lower right])
- Bed Bug (an engorged male) (dorsal view) (4/27/2022)
- Size Comparisons: Adult Bed Bug (Left), Bed Bug Nymph (Middle), and Sesame Seed (Right)
- Black Flies
- Deer Fly (their larvae are aquatic)
- Deer Flies (additional examples)
- Fleas (Cat Flea shown here)
- Cat Flea bites on a child’s feet and legs
- Head Louse
- Head Lice
- Horse Fly
- Horse Fly
- Horse Flies (additional examples)
- Mites (Dust Mites) (Parasitic Mites of Humans)
- Mosquito (Ochlerotatus canadensis)
- Mosquito
- Stable Fly


![Bed Bugs (various instar stages; two smaller nymphs [top of photo] and two adults [lower right])](https://extension.umaine.edu/home-and-garden-ipm/wp-content/uploads/sites/43/2025/03/Bed-Bugs-Various-Stages-113022-150x150.jpg)















