Favoritos de stomlins701

A very interesting photo taken on the Thomson Tree Farm by Tom Thomson that shows two mating Tiger Swallowtails, both of which appear to be P. glaucus/P. canadensis intergrades. Note top butterfly has a continuous SM band suggesting P. canadensis, but the HW trailing stripe becomes distally thin suggesting this is P. glaucus. Conversely, notice that the bottom butterfly has a relatively divided/spotted SM band (suggesting P. glaucus), but a comparatively thicker stripe on the trailing edge of the hindwing (suggesting P. canadensis). Both of these butterflies appear to be intergrades. It causes one to wonder whether or not the Eastern and Canadian Tigers are really distinct species.

This large butterfly appeared on the shrub outside the kitchen sink window, resting in half shade. I thought it was a shadow, or a half eaten corpse of a yellow butterfly. Then, as I approached, it flew away, but soon came back to rest in full sun. Note the hole damage on the left wing, you can see the green leaf behind the wing.