Most species lay their eggs in the water and go through a tadpole stage.

They all lay eggs, with some species laying very large clutches.

Most species lay eggs, although at least some are known to be viviparous.

Most species will lay just one egg on the food plant.

Most species will lay their eggs on the leaves of the food plant.

Most species lay their eggs in moist ground, typically under rocks or plants.

Some species can lay a second clutch if the first fails.

Most species lay the eggs on the surface of stagnant water.

The species nests in tree holes and lays two or three eggs.

This species usually lays eggs in May, though seldom will do so earlier or later.