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Jacobson AL, Nault BA, Vargo EL, et al. Restricted Gene Flow among Lineages of Thrips tabaci Supports Genetic Divergence Among Cryptic Species Groups. PLoS One. 2016;11(9):e0163882doi: 10.1371/journal.pone.0163882.
Jacobson, A. L., Nault, B. A., Vargo, E. L., & Kennedy, G. G. (2016). Restricted Gene Flow among Lineages of Thrips tabaci Supports Genetic Divergence Among Cryptic Species Groups. PloS one, 11(9), e0163882. https://doi.org/10.1371/journal.pone.0163882
Jacobson, Alana L, et al. "Restricted Gene Flow among Lineages of Thrips tabaci Supports Genetic Divergence Among Cryptic Species Groups." PloS one vol. 11,9 (2016): e0163882. doi: https://doi.org/10.1371/journal.pone.0163882
Jacobson AL, Nault BA, Vargo EL, Kennedy GG. Restricted Gene Flow among Lineages of Thrips tabaci Supports Genetic Divergence Among Cryptic Species Groups. PLoS One. 2016 Sep 30;11(9):e0163882. doi: 10.1371/journal.pone.0163882. eCollection 2016. PMID: 27690317; PMCID: PMC5045207.
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PLoS One. 2016 Sep 30;11(9):e0163882. doi: 10.1371/journal.pone.0163882. eCollection 2016.

Restricted Gene Flow among Lineages of Thrips tabaci Supports Genetic Divergence Among Cryptic Species Groups.

PloS one

Alana L Jacobson, Brian A Nault, Edward L Vargo, George G Kennedy

Affiliations

  1. Department of Entomology, North Carolina State University, Raleigh, North Carolina, United States of America.
  2. Department of Entomology, Cornell University, Geneva, New York, United States of America.

PMID: 27690317 PMCID: PMC5045207 DOI: 10.1371/journal.pone.0163882

Abstract

Knowledge of the relative influence of population- versus species-level genetic variation is important to understand patterns of phenotypic variation and ecological relationships that exist among and within morphologically indistinguishable cryptic species and subspecies. In the case of cryptic species groups that are pests, such knowledge is also essential for devising effective population management strategies. The globally important crop pest Thrips tabaci is a taxonomically difficult group of putatively cryptic species. This study examines population genetic structure of T. tabaci and reproductive isolation among lineages of this species complex using microsatellite markers and mitochondrial COI sequences. Overall, genetic structure supports T. tabaci as a cryptic species complex, although limited interbreeding occurs between different clonal groups from the same lineage as well as between individuals from different lineages. These results also provide evidence that thelytoky and arrhenotoky are not fixed phenotypes among members of different T. tabaci lineages that have been generally associated with either reproductive mode. Possible biological and ecological factors contributing to these observations are discussed.

Conflict of interest statement

The authors have declared that no competing interests exist.

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