The average adult bed bug size ranges from 1/4 to 3/16 of an inch in length. Their flat, wide bodies look significantly bigger after they've taken a blood meal, so a bed bug's actual size varies depending on whether the pests have fed. Once engorged, the pest's body expands into a longer, more cylindrical shape.
What bugs are mistaken for bed bugs?
- Bat bugs. Color: Brown.
- Spider beetles. Color: May range from pale brownish-yellow to reddish brown to almost black.
- Booklice. Color: Pale brown or creamy yellow.
- Carpet beetles. Color: Black with white pattern and orange/red scales.
- Fleas. Color: Reddish-brown.
Can you see bed bugs with the naked eye?
Bed bugs have the following characteristics: They are visible to the naked eye. Adult bed bugs are usually brown in colour. When filled with blood, their colour ranges from red to dark brown.Jun 9, 2021