Abstract
A new species of Leptophlebiidae is described from the far north of New Zealand and a new genus Aupouriella is erected to contain it. The new genus is unique among New Zealand Ephemeroptera in that eyes of adult males are not divided into upper and lower portions. The penes terminate in a prominent ventrally–projecting spine partially enclosing the sperm groove, and the posterior margin of the styliger plate has a prominent, upwardly curved projection, medially. Nymphs, subimagos and adults of Aupouriella pohei n. sp. have very slender legs, and are easily recognised by their bold abdominal markings. Nymphs were found on stony substrata in a small coastal stream at the type locality near North Cape along with nymphs of at least five other leptophlebiid species.
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