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Water Uptake during Larval Development of a Sweat Bee, Augochlora pura (Hymenoptera: Apoidea)
Dorothy G. K. May
Journal of the Kansas Entomological Society
Vol. 45, No. 4 (Oct., 1972), pp. 439-449
Published by: Kansas (Central States) Entomological Society
Stable URL: http://www.jstor.org/stable/25082525
Page Count: 11
You can always find the topics here!Topics: Insect larvae, Larval development, Bees, Humidity, Eggs, Pollen, Insect brood, Brood cells, Weight gain, Salts
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A 62% increase in weight of brood of Augochlora pura, attributed to water uptake by the developing larva, was found between the egg plus provisions and the large larva (pollen consumed). Relative humidity near saturation was necessary for eggs and young larvae to survive to pupal stage, after which time they could tolerate drier conditions. Humidity inside cells was from two to ten percentage points higher than outside the cells, in the nest tunnels. The cell lining is believed to help maintain high humidity within the cells.
Journal of the Kansas Entomological Society © 1972 Kansas (Central States) Entomological Society