To the Editor:
I think this is a Monarch Caterpillar, but could anyone tell me what the other things are on the same Milkweed plant?
Milkweed Tussock moth
From the Editor: We are fortunate to have an expert in this area and this is what he says … “The caterpillar is definitely a Monarch. The other is the Milkweed Tussock Moth. They too feed on milkweeds. They are so numerous that they will defoliate a plant.