Spinning larva of honey bee worker. (scale bar = 1 mm)

Stretched larva of honey bee workers. (scale bar = 1 mm)

Prepupa (also called propupa or defecated larva The bees of the world,
, Baltimore, (2000)
[1]) of honey bee worker. After Snodgrass (1956, fig. 2g) Anatomy of the honey bee,
, Ithaca, p.334, (1956)
[2], Dade (1977, plate 18e) Anatomy and dissection of the honeybee,
International Bee Research Association
, London, p.158, (1977)
[3]. (scale bar = 1 mm)

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Before becoming prepupa the larva orients its anterior part toward capping which is recognised by rough texture and gravity in case of queens The longitudinal orientation of the larval honeybees (Apis mellifera) in their cells,
Can. J. Zool.
, Volume 41, p.717-723, (1963)
[4]. Disorientated larvae occur rarely. They are not able to emerge from their cell and die.

Late prepupa of honey bee worker. After Snodgrass (1956, fig. 2h) Anatomy of the honey bee,
, Ithaca, p.334, (1956)
[2]. (scale bar = 1 mm)

Crop of honey bee worker when empty (top) and filled with nectar (bottom). After Winston (1987, fig. 3.15) The biology of the honey bee,
, Cambridge, (1987)
[5].

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Spermatheca of honey bee queen. After Snodgrass (1956, fig. 106ab) Anatomy of the honey bee,
, Ithaca, p.334, (1956)
[2].

b - duct of spermathecal gland
d - spermathecal duct
m - muscles of spermathecal duct (marked red)
Odl - oviduct
Spt - spermatheca
SptGld - spermathecal gland
Vag - vagina

"... vitellogenin is not one entity. It consists of two functional parts."

Wax glands (marked red) of honey bee worker. After Rösch (1927, fig. 3) Über die Bautätigkeit im Bienenvolk und das Alter der Baubienen,
Z. vergl. Physiol.
, Volume 6, p.264-298, (1927)
[6] and Snodgrass (1956, fig. 52a) Anatomy of the honey bee,
, Ithaca, p.334, (1956)
[2].

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First instar larva of honey bee. The larva is at the bottom of workers cell in a droplet of brood food. After Dade (1977, plate 20) Anatomy and dissection of the honeybee,
International Bee Research Association
, London, p.158, (1977)
[3], Collins (2004, fig. 4d) Variation in time of egg hatch by the honey bee, Apis mellifera (Hymenoptera: Apidae),
Annals of the Entomological Society of America
, Volume 97, Number 1, p.140–146, (2004)
[7].

Honey bee queen with mating sign at the end of her abdomen. After Woyke (1956, fig. 1) Anatomo-physiological changes in queen-bees returning from mating flights, and the process of multiple mating,
Bulletin de l'Academie Polonaise des Sciences
, Volume 4, p.81–87, (1956)
[8], Woyke (2011, fig. 3) The mating sign of queen bees originates from two drones and the process of multiple mating in honey bees,
Journal of Apicultural Research
, Volume 50, p.272-283, (2011)
[9].