Geographical variability in ecophysiological traits controlling dormancy in Chrysopa oculata (Neuroptera: Chrysopidae) |
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| Affiliation: | 1. Department of Entomology, Kansas State University, Manhattan, KS 66506 U.S.A.;2. Department of Entomology, Comstock Hall, Cornell University, Ithaca, NY 14853-0999, U.S.A.;1. Laboratorio de Química Ecológica, Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Casilla 653, Santiago, Chile;2. Laboratorio de Ecología Química, Departamento de Biología, Facultad de Ciencias y Tecnología, Universidad Mayor de San Simón, Parque La Torre # 1720, Cochabamba, Bolivia;3. Universidad Mayor Real y Pontificia de San Francisco Xavier de Chuquisaca, Junin Esq. Estudiantes # 692, Sucre, Bolivia;4. Instituto de Entomología, Universidad Metropolitana de Ciencias de la Educación, Av. José Pedro Alessandri 774, Santiago, Chile;1. Institute of Ecology, Evolution and Diversity, Biologicum, Goethe-Universität, Max-von-Laue-Str. 13, D-60438 Frankfurt am Main, Germany;2. Department of Functional Morphology and Biomechanics, Institute of Zoology, Christian-Albrechts-Universität zu Kiel, Am Botanischen Garten 1–9, D-24118 Kiel, Germany;3. Institute of Cell Biology and Neuroscience, Biologicum, Goethe-Universität, Max-von-Laue-Str. 13, D-60438 Frankfurt am Main, Germany;4. Institute of Organic Chemistry, Technische Universität Braunschweig, Hagenring 30, D-38106 Braunschweig, Germany;1. Department of Applied Science, Ferozepur College of Engineering and Technology, Farozshah, Ferozepur 142052, Punjab, India;2. Department of Applied Sciences, Punjab Technical University, Jalandhar 144601, Punjab, India;3. Department of Physics, Dr. B.R.Ambedkar National Institute of Technology, Jalandhar 144011, India;4. Department of Physics, HNB Garhwal University, Badshahi Thaul Campus, Tehri Garwal 249 199, India;1. United States Department of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, 10300 Baltimore Ave, Bld 007, Rm 313, Beltsville, MD 20705, USA;2. United States Department of Agriculture, Agricultural Research Service, Knipling-Bushland U.S. Livestock Insects Research Laboratory, 2700 Fredericksburg Road, Kerrville, TX 78028, USA;1. Institute of Physics, University of Tartu, 50411 Tartu, Estonia;2. Skobeltsyn Institute of Nuclear Physics, Moscow State University, 119991 Moscow, Russia;3. Nikolaev Institute of Inorganic Chemistry, SB RAS, Novosibirsk 630090, Russia;4. Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk 630090, Russia;5. Institute of Light and Matter, CNRS, University Lyon1, Villeurbanne 69622, France;1. Department of Entomology, China Agricultural University, Beijing, 100193, China;2. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China;3. Institut de Systématique, Évolution, Biodiversité (ISYEB) Muséum National d''Histoire Naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP50, 57 Rue Cuvier, F-75005, Paris, France;4. Université Rennes, CNRS, Géosciences Rennes, UMR 6118, F-35000, Rennes, France;5. CNRS, UMR 5554 Institut des Sciences de l''Évolution de Montpellier, Place Eugène Bataillon, F-34095, Montpellier, France |
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| Abstract: | Dormancy in Chrysopa oculata, a multivoltine species, is controlled by reponses to photoperiod and temperature. Variation in both the critical photoperiod for diapause induction and the duration of diapause is positively related to the latitudianl origin of the population. The incidence of photoperiodically induced diapause also varies geographically; at 24°C the southern-most population is more variable for diapause induction than the northern populations. By contrast, there is little interpopulation variation in thermally determined rates of post-diapause development. The results suggest that the lower threshold for development and the thermal requirements above the threshold may be functionally correlated. |
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