Suggested Reading on Antiemetics by Our Doctors. Gallstones Gallstones are stones that form when substances in the bile harden. Food Poisoning Food poisoning is common, but can also be life threatening. Brain Tumor A brain tumor can be either benign (non cancerous) or malignant (cancerous), primary, or secondary.
Ants live in colonies where one or a few females, called queens, lay all the eggs. Most of the queens' offspring become worker ants that do not reproduce. A few are males, and some become new queens. Each queen ant can lay thousands of eggs per year.
Worker ants are sterile or non-reproductive female ants that tend the queen, the brood (eggs, larvae and pupae), and forage for food. Most species produce winged ants, called reproductives, during certain times of the year. These are male and female ants leaving the nest to mate and establish new colonies.ize of these castes of ants varies with species. Female reproductive Texas leafcutting ants can have bodies about 20 mm in length. Harvester ant workers range from 5 to 9 mm and reddish brown to yellow or black, while red imported fire ants workers range from 1.5 to 4 mm and reddish brown with a darker abdomen.