- pseudostigmatic organ
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(ARTHROPODA: Chelicerata)In Acari, one of two organs of sensory setae, various in shape, arising from a cupule or pit located on the cephalothorax of Oribatida; thought to detect air movements and thus avoid desiccation.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.