Zoosystematics and Evolution (Dec 2016)
An anocellar polistine wasp (Hymenoptera, Vespidae, Polistinae) from Texas
Abstract
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A remarkable teratological female of Polistes (Fuscopolistes) dorsalis neotropicus Bequaert, 1940 (Vespidae: Polistinae) is described and illustrated. The specimen lacks all three external dorsal ocelli but is normally developed in almost every other aspect. Additionally, similar findings in other Hymenoptera are briefly discussed, as are the consequences and the reasons that might cause the random loss of ocelli.