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Molecular evidence for a species complex in the genus Aphelinus (Hymenoptera: Aphelinidae), with additional data on Aphidiine phylogeny (Hymenoptera: Braconidae)

Permanent URL:
http://handle.nal.usda.gov/10113/149
Abstract:
Mitochondrial 16s rDNA was sequenced from nine different populations of Aphelinidae and 10 of aphidiinae. Sequence divergences between populations within a species are low, ranging from 0 to 0.38%. Divergences among species within the same genus range from 0 to 8.71%. Aphelinus asychis Walker has a sequence divergence from the other Aphelinus spp. of 8.71%, which is even higher than the divergences among the aphidiine genera Lysiphlebus, Aphidius and Diaeretiella. Our 16s rDNA phylogeny for aphidiines is concordant with a previously published NADH1 dehydrogenase phylogeny. Our analysis identifies a complex comprising A. albipodus (Hayat & Fatima), A. varipes (Foerster), and A. hordei (Kurdjumov). The sequence divergences within this complex are low, ranging from 0 to 0.38% with an average of 0.19%, which suggests that the three species within the A. varipes complex diverged within the last approximately equal to 90,000 yr.
Author(s):
Chen, Y. , Giles, K.L. , Greenstone, M.H.
Subject(s):
Aphelinus , Braconidae , mitochondrial DNA , ribosomal DNA , nucleotide sequences , chemotaxonomy , phylogeny , speciation
Format:
p. 29-34.
Note:
Includes references
Source:
Annals of the Entomological Society of America Jan 2002. v. 95 (1)
Language:
English
Year:
2002
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
File:
Download [PDF File]
Rights:
Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.