[Antwiki.org] A ventral cuticular projection of the sternite of the petiole (AII), either below the node or on its anterior peduncle; sometimes absent but when present very variable in shape and size.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
