HOW DO HARVESTER ANTS IN ISRAEL SURVIVE DURING MONTHS WHEN THERE IS NO HARVEST?

Worker ants take dump seeds into the sunshine to dry and take them back into the nest during the evening.
Ants looking for food
Harvester ants collect seeds during the warmer months of the year and store it in granary chambers.
Harvester ants

Harvester ants (messor semirufus)—and many other types of ants—collect seeds during the warmer months of the year and store it in granary chambers measuring one centimeter (1/2 an inch) in height and up to 12 centimeters (5 inches) in diameter. They may collect seeds from the ground or plants and carry them to underground nests, usually located near grain fields or threshing floors.

Ant walking
Ant walking
During warmer months, ants may collect seeds from the ground or plants and carry them to underground nests
Ant carrying a leaf

The ants gather enough food and water to last up to 4 months. When it rains, and the seeds become damp, the worker ants take the seeds into the sunshine to dry and bring them back into the nest during the evening. Some ants bite off the growing tip from the seeds when they begin to germinate, or at the time they are collected.

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