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New Caledonia's Trichoptera—present status of knowledge
2019 (English)In: Zoosymposia, ISSN 1178-9905, E-ISSN 1178-9913, Vol. 14, p. 87-102Article in journal (Refereed) Published
Abstract [en]

The first Trichoptera recorded from New Caledonia were four species described by Kimmins in 1953, each in anew endemic genus. The diversity was increased to eight species with the publication by Sykora in 1967 of threenew species in two new genera and a fourth species in a previously established genus. Today, 239 valid species areknown from the country, representing 20 genera in 10 families. Analysis of published records for some 32,000Trichoptera specimens collected from 291 localities shows that the highest species diversity is in the SE part of theGrande Terre, and that species diversity is greatest at lower altitudes, i.e. 0–200 meters above sea level. We also seethat the three most frequently collected families (85% of the individuals) in the sampled material are Hydroptilidae(35%), followed by Hydropsychidae (27%), and Leptoceridae (22%). Phylogenetic analyses have demonstratedthat the first species to occupy the island and the earliest radiations took place on areas covered by ultrabasicsubstrate, which is poor in nutrients and rich in certain toxic heavy metals.

Place, publisher, year, edition, pages
Mapress, 2019. Vol. 14, p. 87-102
National Category
Biological Sciences
Research subject
Diversity of life
Identifiers
URN: urn:nbn:se:nrm:diva-3378DOI: 10.11646/zoosymposia.14.1.12OAI: oai:DiVA.org:nrm-3378DiVA, id: diva2:1370335
Available from: 2019-11-14 Created: 2019-11-14 Last updated: 2019-11-14

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Johanson, Kjell Arne
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