Dermestid beetles in NZ

I’m curious if it is possible to ascertain the difference (if any!) between pre-human occupation NZ dermestid beetles and those introduced by Polynesian and European settlement of NZ?
Many thanks Fiona

The best guide would be the species’ global ranges.

  • Pre-human species will most likely be NZ endemics, having been isolated long enough to evolve and radiate.

  • Polynesian introductions will be found in various Polynesian archipelagoes, since they would have been with the voyagers on each leg of their voyages.

  • European introductions might be trickier, because they might have originated in Europe, or from former colonies, or have been so spread around as to be now pantropical or global.


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