Wax Secretion in the Rhizobiini.*

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Abstract
When Lindorus lophanthæ (Blaisdell) and Rhizobius ventralis (Er.) are reared in the laboratory they produce wax at every stage of their life cycle subsequent to the first larval instar. The amount of wax secreted during the feeding period is only sufficient to give the larva a powdery appearance. After the larva has finished feeding and is in the prepupal stage the amount of wax is greatly increased. Rhizobius is then completely covered with a mass of cottony wax. The fine long filaments of wax give it the appearance of having been attacked by mold. The dorsum of Lindorus is covered with tufts of wax but is not completely hidden. The outer row of six longitudinal rows of wax glands produces wax most abundantly.

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