A female wasp will lay a male and a female egg in a caterpillar.

The sexual form begins with male and female eggs laid on the underside of young grape leaves.

The male allows the female to glue her eggs onto his back.

After breeding, the female egg can lay about 4 to 6 eggs and incubates them along with the male for 14 days.

In birds, however, the situation is more complex, as female eggs are fertilized one at a time, with a 24-hour delay between each.

When the females were treated with antibiotics, they were then able to produce normal male and female eggs.

Since workers can lay both male and female eggs, worker policing could be favored since the cost to the community is large.

Now how do Polarians get the male seed together with the female egg?