For example, Cryan's buckmoth (Hemileuca maia subsp.) feeds only on the herb Menyanthes trifoliata, commonly known as buckbean, and while indistinguishable morphologically from related buckmoths, and not differentiated at the genetic markers tested, the moth is highly adapted to its host plant, having 100% survivorship on Menyanthes, while close genetic relatives all died when reared on the plant.
burchellanus is a rare species or, if it is a subspecies, Evolutionarily Significant Unit, of butterfly (Lepidoptera, Papilionoidea) that lives in a very few areas in central Brazil.
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