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1 June 2001 A REVISION AND PHYLOGENETIC ANALYSIS OF THE NERTHRA ALATICOLLIS SPECIES-GROUP (HETEROPTERA: GELASTOCORIDAE: NERTHRINAE)
Gerasimos Cassis, Rossana Silveira
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Abstract

The Nerthra alaticollis species-group is defined as a monophyletic group on the basis of wing and genitalic characters. Two new species are described: Nerthra appha n. sp. and N. polhemi n.sp. Nerthra membranacea Nieser is recognized as a junior synonym of N. adspersa. Nerthra tuberculata (Montandon) and N. praecipua Todd are removed from the alaticollis species-group. Nine species are assigned to the species-group, and all species are described with illustrations. A phylogeny of species is provided.

Gerasimos Cassis and Rossana Silveira "A REVISION AND PHYLOGENETIC ANALYSIS OF THE NERTHRA ALATICOLLIS SPECIES-GROUP (HETEROPTERA: GELASTOCORIDAE: NERTHRINAE)," Journal of the New York Entomological Society 109(1), 1-46, (1 June 2001). https://doi.org/10.1664/0028-7199(2001)109[0001:ARAPAO]2.0.CO;2
Received: 20 November 1999; Accepted: 1 December 2000; Published: 1 June 2001
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