- Antennae
- Mandibles
- Compound eyes and ocelli
- Hamulii (wing hooks)
- Corbicula (for pollen collection)
- Mushroom body (info processing)
- Glands
- Mandibular
- Hypopharengeal
- Wax
- Crop (nectar foraging)
- Spermatheca (queen sperm storage)
- Ovarioles (queens and workers)
- Venom sac (queen and workers)