The brown-banded cockroach (Supella longipalpa) is a small species of cockroach, measuring about 5⁄8 in (10 to 14 mm) long. It is the only species of the genus Supella. It is tan to light brown and has two light-colored bands across the wings and abdomen, they may sometimes appear to be broken or irregular but are quite noticeable. The bands may be partly obscured by the wings. The male has wings that cover the abdomen, while the female has wings that do not cover the abdomen completely. The male appears more slender than the female, the female appears wider.