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The Hornless Australian Burrowing Mayfly Ulmerophlebia (Ephemeroptera: Leptophlebiidae)

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Author(s): Yeon Jae Bae | Kyla J. Finlay | Ian C. Campbell

Journal: Animal Systematics, Evolution and Diversity
ISSN 2234-6953

Volume: 28;
Issue: 4;
Start page: 230;
Date: 2012;
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Keywords: Ulmerophlebia deani n. sp. | Ulmerophlebia minuta n. sp. | Leptophlebiidae | Ephemeroptera | description | Australia

ABSTRACT
The hornless Australian burrowing mayfly genus Ulmerophlebia Demoulin (Leptophlebiidae) is revised based on comprehensive examinations of adult and larval material collected throughout Australia. Two new species [Ulmerophlebia deani n. sp. and U. minuta n. sp.] and three named species [U. annulata (Harker), U. mjobergi (Ulmer) and U. pipinna Suter] are included. The larva of U. deani can be distinguished by the moderately developed apicomedial expansion of gills and W-shaped markings on the abdominal terga. The male adult of U. minuta can be easily distinguished by the greatly reduced penes. Descriptions, diagnoses, line-drawings of key characters, material and distributional data, taxonomic remarks and adult and larval keys are provided.
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