- mycetangium
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n. [Gr. mykes, fungus; angeion, vessel](ARTHROPODA: Insecta)The fungus-storing organs of Platypodinae, a sac-like invagination of the epidermis at the posterior part of the prothorax.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.