Natural threats include drought and predation by rodents and rabbits.

These conditions include drought, shade, high wind speeds, and salt spray.

Further threats to habitat include drought, the encroachment of salt and a decline in health of the host plant.

The more serious effects predicted worldwide include drought and even famine in some developing regions.

Natural hazards include recurring drought and flooding during the rainy seasons.

While these changes cannot be pinpointed yet, they are expected to include drought at temperate latitudes and severe storms.

Natural disasters included drought, flood, typhoon, plant disease, and insect pest.

Common causes include lightning and drought but wildfires may also be started by human negligence or arson.

Potential threats include grazing, weeds, fire and drought.

Other limitations on boll weevil populations include extreme heat and drought.