Ocellus

Ocellus of honey bee. After Snodgrass (1956, fig. 98g) [1].
Abbreviations:
a - interstitial cells
Ct - cuticle
Epd - epidermis
Ir - iris cells
Ln - lens
Nv - nerve
Pg - pigment
Ret - retina
VB - vitreus body
The ocelli can be used by bees to detect light intensity during dawn and dusk [2].
See also [3]
References
- Anatomy of the honey bee. Comstock Publishing Associates, Ithaca, pp. 334. (1956)
- Die Orientierung der Honigbiene in der Dämmerung, zugleich ein Beitrag zur Frage der Ocellenfunktion bei Bienen. Z. vergl. Physiol. 49:420-458. (1965)
- Regional differences in the preferred e-vector orientation of honeybee ocellar photoreceptors. Journal of Experimental Biology. (2017)
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