A very nice and interesting article:
The mesosomal anatomy of Myrmecia nigrocincta workers and evolutionary transformations in Formicidae (Hymenoptera).
Si-Pei Liu, Adrian Richter, Alexander Stoessel, Rolf Georg Beutel.
http://www.senckenberg.de/root/index.php?page_id=19355
or
http://www.senckenberg.de/files/content/…-1_liu_1-19.pdf and http://www.senckenberg.de/files/content/…pplement-1.xlsx and http://www.senckenberg.de/files/content/…pplement-2.xlsx
