Ceratomerinae (Diptera: Empidoidea: Brachystomatidae)

Bradley J. Sinclair


The 54 species of Ceratomerinae currently known from New Zealand are treated. New records of Glyphidopeza Sinclair and Zealandicesa Koçak & Kemal are recorded. Forty-five New Zealand species of Ceratomerus Philippi are revised, including the description of 33 new species (C. akatarawa n. sp., C. alticolus n. sp., C. aquilonius n. sp., C. brevinervis n. sp., C. burgersi n. sp., C. collini n. sp., C. curvatus n. sp., C. dugdalei n. sp., C. flexuosus n. sp., C. fontinalis n. sp., C. latinervis n. sp., C. latipalpus n. sp., C. lobipennis n. sp., C. macfarlanei n. sp., C. mangamuka n. sp., C. mayae n. sp., C. minutus n. sp., C. mirandus n. sp., C. montanus n. sp., C. morrisi n. sp., C. notatus n. sp., C. ohakunensis n. sp., C. oparara n. sp., C. planti n. sp., C. rivalis n. sp., C. setifacies n. sp., C. simplex n. sp., C. spinosus n. sp. C. subnotatus n. sp., C. tonnoiri n. sp., C. trivittatus n. sp., C. wardi n. sp., C. whirinaki n. sp.). All species of Ceratomerus are illustrated, described and distributions mapped. Ceratomerus earlyi Plant is proposed as a junior synonym of C. prodigiosus Collin. Seven New Zealand Ceratomerus species-groups are recognized. Keys to all New Zealand species of Ceratomerinae are presented. The evolution of the male secondary sexual characters among species of Ceratomerus is discussed. The phylogenetic relationships of the Ceratomerinae with emphasis on the New Zealand species-groups and unplaced species of Ceratomerus are analyzed. The first empidoid gynandromorph is reported that exhibits anterior/posterior division of male and female components. An updated key to empidoid family and genus groups of New Zealand is presented.


Insecta, Diptera, Empidoidea, Brachystomatidae, Ceratomerinae, New Zealand, Ceratomerus, Glyphidopeza, Zealandicesa, morphology, taxonomy, new species, keys, biogeography, dance flies


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