Workers police the egg-laying females by engaging in oophagy or directed acts of aggression.

Each colony is a family unit, comprising a single, egg-laying female or queen and her many sterile daughters called workers.

In the fall, however, low temperatures and short days result in the production of egg-laying females and males to inseminate them.

The characteristic drill holes of the egg-laying females were noticed in Carteret in August.

Leaves that have grown callosities, which strongly resemble the orange eggs of the butterfly, are less likely visited by egg-laying females, protecting the plant from herbivory.

The next generation of adults produced consists of greyish, winged males and brown, winged egg-laying females.

The birds also eat resting adults and egg-laying females.

The tibiae of the hind legs are swollen in egg-laying females.

He has stalked an egg-laying female, to put a transmitter on her while she was ashore.

During the mating phase, males become gold in color and put on displays to attract egg-laying females.