The concealed copulatory structures of the Py rgomorphidae (Orth. Aeridoidea):supplement (including illustrations of some previously unfigured types)

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Since the various parts of this series describing the concealed copulatory structures of all the known genera of Plygontorphidae have been completed for publication (Kevan, Akbar and Chang, 1970 et seq.), some new genera have been described and males have been discovered in two among the few genera for which they were previously unknown. In order to make it as complete as possible, therefore, opportunity is here taken to augment the present series with illustrations for such genera.