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THE LARVAE (AND ADULT FEMALE) OF THE TRILOBITE BEETLE

The trilobite [beetle] genus (Duliticola) belongs to the family Lycidae, commonly known as net-winged beetles.

This family is a pretty interesting one, because many of its species display huge physical differences between their males and their females. Trilobite beetles are no exception. While the females are easily recognisable – that incredible form is retained from when they were larvae [see Wikipedia neoteny] – the males look entirely different. They pretty much just look like plain old beetles, with long, winged bodies and a pair of thick antennae. 

Bec Crew, Scientific American

  1. Trilobite Beetle larva (Duliticola hoseini) by nickybay on Flickr.
  2. Trilobite Beetle by Kurt (orionmystery.blogspot.com) on Flickr.
  3. Trilobite Beetle larva (Duliticola sp.) by nickybay on Flickr.