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Proximate Drivers of Migration and Dispersal in Wing-Monomorphic Insects

Natural Sciences Department, Metropolitan State University, Saint Paul, MN 55106, USA
Insects 2020, 11(1), 61;
Received: 9 December 2019 / Revised: 15 January 2020 / Accepted: 16 January 2020 / Published: 18 January 2020
(This article belongs to the Special Issue The Study of Insect Movement and Foraging Strategies)
Gains in our knowledge of dispersal and migration in insects have been largely limited to either wing-dimorphic species or current genetic model systems. Species belonging to these categories, however, represent only a tiny fraction of insect biodiversity, potentially making generalization problematic. In this perspective, I present three topics in which current and future research may lead to greater knowledge of these processes in wing-monomorphic insects with limited existing molecular tools. First, threshold genetic models are reviewed as testable hypotheses for the heritability of migratory traits, using the sweet potato whitefly (Bemisia tabaci) as a case study of a behaviorally-polymorphic migratory species lacking morphological or physiological differentiation. In addition, both adaptive and non-adaptive explanations for the empirically variable relationship between egg production and flight in wing-monomorphic insects are discussed. Finally, with respect to the largest order of insects (Hymenoptera), the role of sex determination mechanisms for haplodiploidy as a driver for natal dispersal (for inbreeding avoidance) versus philopatry (such as in local mate competition) is discussed. View Full-Text
Keywords: behavior; flight; genetics; philopatry; syndrome; threshold; trade-off behavior; flight; genetics; philopatry; syndrome; threshold; trade-off
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Asplen, M.K. Proximate Drivers of Migration and Dispersal in Wing-Monomorphic Insects. Insects 2020, 11, 61.

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