Small White Caterpillar Pieris rapae

Small White butterfly caterpillar
Small White butterfly caterpillar
The Small White Caterpillar is not a small white caterpillar at all but the caterpillar stage of the Small White Butterfly. It is mainly green with faint yellow lines on back (continuous) and side (dotted).
Small White butterfly egg case An egg case of the Small White - usually eaten by the hatchling. The yellow egg is laid singly under a food plant leaf (unlike Large White eggs where many are packed together).
Small White butterfly early instar caterpillar The early 2 tiny instars do not show the yellow lines.
Small White butterfly caterpillar The caterpillar goes through about four changes of clothing before it reaches its final size (about an inch long).
Small White butterfly egg case
Small White butterfly early instar caterpillar
Small White butterfly caterpillar
It eats brassicas (plants including cabbages), making the adult one of the two "cabbage whites." Here they are fattening up on nasturtiums in my garden.
Small White caterpillar pupating Caterpllar pupating
Small White butterfly early chrysalis Early chrysalis is green, tied on with silk.
Small White butterfly chrysalis Mature chrysalis is white.
Chrysalides (pupae) of the Small White Butterfly (twice brooded and over-winters as chrysalis).