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High mitochondrial DNA sequence divergence in Sminthurus viridis (Linnaeus) (Collembola: Sminthuridae) from New Zealand

Specimens of Sminthurus viridis from pasture throughout New Zealand were examined using the mitochondrial gene cytochrome c oxidase subunit 1 (COI), the nuclear gene 28S ribosomal RNA, and morphological characters to determine if there was more than one species of Sminthurus present in New Zealand pasture. COI sequence divergence between New Zealand specimens of S. viridis was high (up to 8.6%), but 28S sequences and morphological characters did not vary for the same specimens. We conclude that a single species of Sminthurus, S. viridis, is widespread in New Zealand pasture.