Hello out there!
I have been combing through the literature trying to find an approximate
divergence time for mites and insects. I am fairly sure they branched off from
one another sometime during the Devonian, but depending on which book I read,
the Devonian was either 300mya or 450mya. I think 150 million years is a pretty
big discrepency! If anyone has any good, possibly molecularly-based estimates
for this split, I would be much abliged! Also, if you do have a clue, while
we're on the subject, I would also like to get an estimation of when ticks
branched off from mites.
Thanks for your time!