SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY
Megalopteran. Close-up of the head of an insect of the order Megaloptera, showing its large mandibles (mouth parts). Megalopterans considered among the most primitive of the holometabolous insect orders, those that go through four life stages: embryo, larva, pupa, imago.
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