In winter, mosquitoes, flies, bugs, and many other insects disappear, so it is a reasonable assumption that cockroaches also die in winter. But this is not that simple. However, the answer is more complicated than you might think.
The Short Answer: Not Really
There is possibility that if cockroaches exposed to cold temperature for very long time they might get die. However, in home and indoor spaces, cold temperature just slow down their mobility, so they hide themselves in gaps, inward spaces to get the proper warmth to live and breathe normally.
Fact: In winter, there is high chances of cockroach infestation in the house than in summers.
Read Also: Are Flesh Flies Dangerous?
What Cold Actually Does to Cockroaches?
The cockroach body’s temperature coordinates with external environment because they are cold blooded insects. As external temperature drops, their all activities like metabolism, eating habits, mobility become slow.
Fact: Cockroaches become extremely sluggish at around 50°F (10°C).
Do Any Cockroaches Die Outdoors in Winter?
Yes, some species of cockroaches actually die in outdoor colder climate. But to die because of zero temperature require a prolonged exposure of cockroach to the coolder environment. Which means single cold night can not kill the cockroach.
Interesting Fact: Eggs and egg cases survive this sub zero temperature because they are more cold resistant than the adult cockroaches. So even adult ones dies the new generation will replace them.
Species Makes a Big Difference
Different cockroach species respond to cold temperature in their own way:
- German Cockroach: Do not survive in sub zero temperature and will surely die but indoor ones show zero effect of winter on their life.
- American Cockroach: They prefer to live in basements, sewers, or boiler rooms so they survive cold environment easily.
- Oriental Cockroach: They are slightly more cold resistant than other species of cockroaches and prefer to live in damp spaces.
- Wood Cockroach: They adopt dormant state in winter because they primarily live outdoor and show significant resistant to cold temperature.
Why Winter Can Actually Make Things Worse Indoors
Because to find warmth and comfort the cocokroaches living outside moves to indoor as houses become attractive for cockroaches in winter.
Fact: Pesticide professionals prefer early winter to do uptick in indoor cockroach reports the reason is not the fast breeding however, the outsider cockroaches that now move into the house.
| Question | Answer |
|---|---|
| Do cockroaches die in winter? | Rarely |
| What temperature kills them? | Significant exposure below 0°F (-18°C) |
| Do eggs survive the cold? | Yes |
| Does winter reduce indoor infestations? | No |
| Best time to treat for roaches? | Winter |
Read Also: Are Green Bottle Flies Dangerous?
