Refers to the posterior-most body part that forms the apparent abdomen. Morphologically the gaster consists of abdominal segments 3–7 or 4-7 depending on whether there is a postpetiole.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith