Do cockroaches fly? Yes, some species really do, while others have wings but do not fly. The cockroach that suddenly "flies at you" is usually the large American cockroach, and most of its flight is gliding from a high spot rather than true flight.
Which cockroaches fly?
| Species | Wings | Does it fly? |
|---|---|---|
| American cockroach (large, reddish-brown) | Full wings | Glides and flies short distances, especially in the heat |
| German cockroach (small, in kitchens) | Full wings | Very rarely, it relies on running |
| Oriental cockroach (shiny black) | Short wings | Does not fly |
| Brown-banded cockroach | Males have full wings | Males fly short distances |
Important: young cockroaches (nymphs) have no wings at all, so any small cockroach you see can only walk.
To tell the species apart, see American Cockroach and German Cockroaches.
Why does a cockroach fly at you?
- High temperature: the American cockroach becomes more active and lighter in summer, and flies more when it is above about 30°C.
- Fear and disturbance: when you approach or try to hit it, it glides off the wall or ceiling to escape, usually in a random direction.
- Light: some species are attracted to lights at night and fly towards the lamp or window.
- Looking for a new place: when numbers grow or food and water run out, they move on.
So the cockroach is not attacking you; it is escaping and you happen to be in its path.
Where do flying cockroaches come from?
- Drains and manholes: the American cockroach lives in the sewer network and comes up into the house.
- AC openings, windows and gaps under doors.
- Gardens, roofs and storerooms nearby.
If you see large cockroaches flying, focus on drains and outside openings. If you see many small cockroaches in the kitchen, these are usually German and live inside the house itself. See Why Cockroaches Appear at Home.
What to do about flying cockroaches
- Cover drains with tight lids, and pour water into unused drains so the U-bend (trap) stays full.
- Seal gaps around pipes, AC units and under doors.
- Apply cockroach gel in small dots in corners, near drains and under the sink.
- Spray a residual insecticide around entry points, outside drains and manholes.
- Monitor with glue traps for two weeks to confirm numbers are down.
Products from Orkida
- Advion cockroach gel by Syngenta
- Demand CS by Syngenta
- Maxforce Forte gel
- K-Othrine dust
- Catchmaster glue boards
Flying cockroach FAQs
Is a flying cockroach dangerous?
No more than any other, but it usually comes from drains, so it can carry bacteria onto surfaces and food. Wash any surface it walks on.
Do small cockroaches fly?
No. Small cockroaches are either wingless nymphs or German cockroaches, which rarely fly.
Do cockroaches bite?
Very rarely. Cockroaches do not seek out people, and bites only happen in extremely heavy infestations.