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A new genus of small Minnow Mayflies (Insecta : Ephemeroptera : Baetidae) with six new species from New Guinea and New Britain

Published online by Cambridge University Press:  01 February 2009

C. R. Lugo-Ortiz
Affiliation:
Department of Entomology, Purdue University, West Lafayette, IN 47907, USA.
W. R McCafferty
Affiliation:
Department of Entomology, Purdue University, West Lafayette, IN 47907, USA.
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Abstract

Papuanatula, n. gen. (Ephemeroptera : Baetidae), is described from New Guinea and New Britain and based on both larvae and adults. Larvae of Papuanatula are distinguished by having basally narrow and distally broad antennal scapes ; glossae shorter than paraglossae ; segment 3 of labial palps more convex laterally than medially ; ventral long, somewhat robust, simple seta subdistally on tarsi ; gills on abdominal segments 2-7 ; reduced medial caudal filament ; and absence of hindwingpads. Adults have double marginal intercalaries in the forewings, lack hindwings, and males possess a sclerotized process between the genital forceps. Five new species are described from New Guinea [P. bessa n. sp., P. copis n. sp., P. lenos n. sp., P. plana n. sp., and P. tuber, n. sp. (type species)] and one new species named from New Britain (P. vaisisi n. sp.). An identification key to the larvae of the six new species is included.

Type
Research Article
Copyright
© Université Paul Sabatier, 1999

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