alternative definition added almost 15 years ago by Istvan Miko
The infrabuccal pouch is situated distal to the sitophore. It is variable in relative size and shape; the cuticle is usually
thickened, but never strongly sclerotised.
Reference: Vilhelmsen, L. 1996. The preoral cavity of lower Hymenoptera (Insecta): comparative morphology and phylogenetic significance. Zoologica Scripta 25:143-170.
Cross reference:
None provided.