First instar larva, showing poison tipped setae

First instar larva showing the way it ejects dung pellets (frass)

Third instar larva, head to the left

Fourth instar larva, aligned along the vein of a nasturtium leaf, head to the left

Fifth and final instar larva, head to the left

Second instar larva (moulting) showing the poison tipped glandular hairs (setae)

Contrasted image of highly magnified, white based, poison tipped glandular hairs on the second instar larva

Glandular secretionary hairs on the fifth instar larva

The pupae normally recline from the vertical, but are shown here horizontally for display purposes.