Complex sentence: The topside of the wings of promethea silkmoth males is black, as are the wings of the pipe vine swallowtails, which also have a shiny blue pattern on the top surface of their wings.
Split into simpler sentences: The topside of the wings of promethea silkmoth males is black, as are the wings of the pipe vine swallowtails. The pipe vine swallowtails have black wings, but they also have a shiny blue pattern on the top surface of their wings.