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Life History Consequences of the Facultative Expression of a Dispersal Life Stage in the Phoretic Bulb Mite (Rhizoglyphus robini).
PLoS One 2015; 10(9):e0136872Plos

Abstract

Life history traits play an important role in population dynamics and correlate, both positively and negatively, with dispersal in a wide range of taxa. Most invertebrate studies on trade-offs between life history traits and dispersal have focused on dispersal via flight, yet much less is known about how life history trade-offs influence species that disperse by other means. In this study, we identify effects of investing in dispersal morphology (dispersal expression) on life history traits in the male dimorphic bulb mite (Rhizoglyphus robini). This species has a facultative juvenile life stage (deutonymph) during which individuals can disperse by phoresy. Further, adult males are either fighters (which kill other mites) or benign scramblers. Here, in an experiment, we investigate the effects of investing in dispersal on size at maturity, sex and male morph ratio, and female lifetime reproductive success. We show that life history traits correlate negatively with the expression of the dispersal stage. Remarkably, all males that expressed the dispersal life stage developed into competitive fighters and none into scramblers. This suggests that alternative, male reproductive strategies and dispersal should not be viewed in isolation but considered concurrently.

Authors+Show Affiliations

Department of Zoology, University of Oxford, Oxford, United Kingdom; Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Amsterdam, The Netherlands.Department of Zoology, University of Oxford, Oxford, United Kingdom.Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Amsterdam, The Netherlands.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26325395

Citation

Deere, Jacques A., et al. "Life History Consequences of the Facultative Expression of a Dispersal Life Stage in the Phoretic Bulb Mite (Rhizoglyphus Robini)." PloS One, vol. 10, no. 9, 2015, pp. e0136872.
Deere JA, Coulson T, Smallegange IM. Life History Consequences of the Facultative Expression of a Dispersal Life Stage in the Phoretic Bulb Mite (Rhizoglyphus robini). PLoS ONE. 2015;10(9):e0136872.
Deere, J. A., Coulson, T., & Smallegange, I. M. (2015). Life History Consequences of the Facultative Expression of a Dispersal Life Stage in the Phoretic Bulb Mite (Rhizoglyphus robini). PloS One, 10(9), pp. e0136872. doi:10.1371/journal.pone.0136872.
Deere JA, Coulson T, Smallegange IM. Life History Consequences of the Facultative Expression of a Dispersal Life Stage in the Phoretic Bulb Mite (Rhizoglyphus Robini). PLoS ONE. 2015;10(9):e0136872. PubMed PMID: 26325395.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Life History Consequences of the Facultative Expression of a Dispersal Life Stage in the Phoretic Bulb Mite (Rhizoglyphus robini). AU - Deere,Jacques A, AU - Coulson,Tim, AU - Smallegange,Isabel M, Y1 - 2015/09/01/ PY - 2015/02/25/received PY - 2015/08/10/accepted PY - 2015/9/2/entrez PY - 2015/9/2/pubmed PY - 2016/5/19/medline SP - e0136872 EP - e0136872 JF - PloS one JO - PLoS ONE VL - 10 IS - 9 N2 - Life history traits play an important role in population dynamics and correlate, both positively and negatively, with dispersal in a wide range of taxa. Most invertebrate studies on trade-offs between life history traits and dispersal have focused on dispersal via flight, yet much less is known about how life history trade-offs influence species that disperse by other means. In this study, we identify effects of investing in dispersal morphology (dispersal expression) on life history traits in the male dimorphic bulb mite (Rhizoglyphus robini). This species has a facultative juvenile life stage (deutonymph) during which individuals can disperse by phoresy. Further, adult males are either fighters (which kill other mites) or benign scramblers. Here, in an experiment, we investigate the effects of investing in dispersal on size at maturity, sex and male morph ratio, and female lifetime reproductive success. We show that life history traits correlate negatively with the expression of the dispersal stage. Remarkably, all males that expressed the dispersal life stage developed into competitive fighters and none into scramblers. This suggests that alternative, male reproductive strategies and dispersal should not be viewed in isolation but considered concurrently. SN - 1932-6203 UR - https://www.unboundmedicine.com/medline/citation/26325395/Life_History_Consequences_of_the_Facultative_Expression_of_a_Dispersal_Life_Stage_in_the_Phoretic_Bulb_Mite__Rhizoglyphus_robini__ L2 - http://dx.plos.org/10.1371/journal.pone.0136872 DB - PRIME DP - Unbound Medicine ER -