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Type: Articles
Published: 2011-08-05
Page range: 45–55
Abstract views: 30
PDF downloaded: 1

The Trichoptera of Lord Howe Island, including 3 new species, larvae and keys

Australian Biological Resources Study, Canberra, ACT, Australia
Trichoptera caddisflies new species endemics larvae checklist keys

Abstract

Three new Trichoptera (caddisfly) species are described for the small south-western Pacific seamount island of Lord Howe, all probably endemics. These are 2 hydropsychids, Cheumatopsyche erskinensis sp. nov. and C. howensis sp. nov., and a leptocerid, Symphitoneuria neboissi sp. nov. These are the first species recorded from Lord Howe in the respective genera and increase to 5 the number of genera recorded from the island, and to 9 the number of named species. Features of 2 distinctive but unidentified Cheumatopsyche larvae, larval cases of S. neboissi sp. nov., and the larva and case of Tasiagma eremica Neboiss are illustrated and described. Life stages of species in 3 other genera are recorded from the island: several larvae and females identified as Ulmerochorema (Hydrobiosidae); 2 females of a species of Triplectides (Leptoceridae); and a larva of Plectrocnemia (Polycentropodidae), which is illustrated. Although, conceivably, none of these 3 has permanent populations, the 3 genera are included in the checklist of Trichoptera of Lord Howe Island and in the identification keys provided for Trichoptera adults and larvae of the island.

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