Milbert's tortiseshell - a nettle-eating caterpillar
I photographed this Milbert's tortiseshell near the H2O center in Kelowna. At first, I thought it was a painted lady. However, the colouring was not right, although similar. This is the first Milbert's tortiseshell butterfly I have seen. I did not get a very good photo of it; It landed only for a moment and was gone again before I could get into a better position. If you look closely, you can see that the image has been doctored. I have the original image below; I erased the right wing and replaced it with a copy of the left one. You can see how my original image was edited to create the top image. The host plant for the caterpillars is stinging nettles. I have always been impressed by the pain that one of these plants can impose on one who passes by a little too closely. The pain is caused by formic acid, the same nasty chemical found in some stinging/biting ants. The milbert's tortiseshell larvae have several defences against the t...