Phylogenetic relationships of the Australian Leptophlebiidae (Ephemeroptera)
Faye ChristidisSchool of Tropical Biology, James Cook University, Townsville, Queensland 4811, Australia. Email: faye.christidis@jcu.edu.au
Invertebrate Systematics 19(6) 531-539 https://doi.org/10.1071/IS05022
Submitted: 30 May 2005 Accepted: 24 October 2005 Published: 16 January 2006
Abstract
Phylogenetic relationships among the Australian Leptophlebiidae genera and selected genera from South America and New Zealand were investigated using a cladistic analysis of 43 morphological characters. The outcomes of this analysis were largely consistent with the higher-level relationships previously proposed by Pescador and Peters (1980). The monophyly of the Meridialaris lineage (comprising Austrophlebioides, Tillyardophlebia, Kirrara, ‘WT sp. 1’ and ‘WT sp. 2’ from Australia, Meridialaris from South America and Deleatidium and Atalophlebioides from New Zealand) was strongly supported, as was the monophyly of the Nousia lineage (Nyungara, Nousia and Koorrnonga). However, Australian genera assigned to the Hapsiphlebia lineage (Atalophlebia, Kalbaybaria, Ulmerophlebia, Jappa and Atalomicria) did not form a monophlyletic group. There was support for a sister-group relationship between the Dactylophlebia and Meridialaris lineages, and for the placement of Garinjuga (Penaphlebia lineage) as the sister-group to a large clade comprising genera of the Nousia, Dactylophlebia and Meridialaris lineages. The phylogenetic analysis provided some clarification of the affinities of Neboissophlebia, Bibulmena, Loamaggalangta and Kaninga. These genera appear to belong to lineages not recognised previously among the Gondwanan Leptophlebiidae.
Acknowledgments
I thank Peter Cranston, John Dean and Richard Pearson for helpful comments on an earlier version of the manuscript. I am very grateful to John Dean (EPA Victoria), Terry Houston (Western Australian Museum), Bill Peters (Florida A&M University, USA), Trevor Crosby (Land Care, New Zealand) and David Goodger (Natural History Museum, England) for making available some of the specimens used in this study. This research was supported by funding from Land and Water Australia and James Cook University.
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