Figures 2.11

Figures 2.11. Frontal view of the head of a worker honey bee, Apis mellifera (Hymenoptera: Apidae), with transverse section of proboscis showing how the “tongue” (fused labial glossae) is enclosed within the sucking tube formed from the maxillary galae and labial palps.
(Inset after Wigglesworth 1964)