Hostname: page-component-586b7cd67f-l7hp2 Total loading time: 0 Render date: 2024-11-26T23:54:30.589Z Has data issue: false hasContentIssue false

Flight periodicity and the vertical distribution of high-altitude moth migration over southern Britain

Published online by Cambridge University Press:  19 February 2009

C.R. Wood*
Affiliation:
Department of Meteorology, University of Reading, Earley Gate, Reading, RG6 6BB, UK Rothamsted Radar Entomology Unit, Plant and Invertebrate Ecology Department, Rothamsted Research, Harpenden, Hertfordshire, AL5 2JQ, UK
D.R. Reynolds
Affiliation:
Natural Resources Institute, University of Greenwich, Central Avenue, Chatham, Kent, ME4 4TB, UK
P.M. Wells
Affiliation:
Rothamsted Radar Entomology Unit, Plant and Invertebrate Ecology Department, Rothamsted Research, Harpenden, Hertfordshire, AL5 2JQ, UK
J.F. Barlow
Affiliation:
Department of Meteorology, University of Reading, Earley Gate, Reading, RG6 6BB, UK
I.P. Woiwod
Affiliation:
Rothamsted Radar Entomology Unit, Plant and Invertebrate Ecology Department, Rothamsted Research, Harpenden, Hertfordshire, AL5 2JQ, UK
J.W. Chapman
Affiliation:
Rothamsted Radar Entomology Unit, Plant and Invertebrate Ecology Department, Rothamsted Research, Harpenden, Hertfordshire, AL5 2JQ, UK
*
*Author for correspondence Fax: +44 118 378 8905 E-mail: [email protected]

Abstract

The continuous operation of insect-monitoring radars in the UK has permitted, for the first time, the characterization of various phenomena associated with high-altitude migration of large insects over this part of northern Europe. Previous studies have taken a case-study approach, concentrating on a small number of nights of particular interest. Here, combining data from two radars, and from an extensive suction- and light-trapping network, we have undertaken a more systematic, longer-term study of diel flight periodicity and vertical distribution of macro-insects in the atmosphere. Firstly, we identify general features of insect abundance and stratification, occurring during the 24-hour cycle, which emerge from four years' aggregated radar data for the summer months in southern Britain. These features include mass emigrations at dusk and, to a lesser extent, at dawn and daytime concentrations associated with thermal convection. We then focus our attention on the well-defined layers of large nocturnal migrants that form in the early evening, usually at heights of 200–500 m above ground. We present evidence from both radar and trap data that these nocturnal layers are composed mainly of noctuid moths, with species such as Noctua pronuba, Autographa gamma, Agrotis exclamationis, A. segetum, Xestia c-nigrum and Phlogophora meticulosa predominating.

Type
Research Paper
Copyright
Copyright © 2009 Cambridge University Press

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Campistron, B. (1975) Characteristic distributions of angel echoes in the lower atmosphere and their meteorological implications. Boundary-Layer Meteorology 9, 411426.CrossRefGoogle Scholar
Chapman, J.W., Reynolds, D.R., Smith, A.D., Riley, J.R., Pedgley, D.E. & Woiwod, I.P. (2002a) High-altitude migration of the diamondback moth Plutella xylostella to the U.K.: a study using radar, aerial netting and ground trapping. Ecological Entomology 27, 641650.CrossRefGoogle Scholar
Chapman, J.W., Smith, A.D., Woiwod, I.P., Reynolds, D.R. & Riley, J.R. (2002b) Development of vertical-looking radar technology for monitoring insect migration. Computers and Electronics in Agriculture 35, 95110.CrossRefGoogle Scholar
Chapman, J.W., Reynolds, D.R. & Smith, A.D. (2003) Vertical-looking radar: a new tool for monitoring high-altitude insect migration. BioScience 53(5), 503511.CrossRefGoogle Scholar
Chapman, J.W., Reynolds, D.R., Smith, A.D., Smith, E.T. & Woiwod, I.P. (2004) An aerial netting study of insects migrating at high-altitude over England. Bulletin of Entomological Research 94, 123136.CrossRefGoogle ScholarPubMed
Chapman, J.W., Reynolds, D.R., Smith, A.D., Riley, J.R., Telfer, M.J. & Woiwod, I.P. (2005) Mass aerial migration in the carabid beetle Notiophilus biguttatus. Ecological Entomology 30, 264272.CrossRefGoogle Scholar
Chapman, J.W., Reynolds, D.R., Brooks, S.J., Smith, A.D. & Woiwod, I.P. (2006) Seasonal variation in the migration strategies of the green lacewing Chrysoperla carnea species complex. Ecological Entomology 31, 111.CrossRefGoogle Scholar
Chapman, J.W., Reynolds, D.R., Mouritsen, H., Hill, J.K., Riley, J.R., Sivell, D., Smith, A.D. & Woiwod, I.P. (2008) Wind selection and drift compensation optimise migratory pathways in a high-flying moth. Current Biology 18, 514518.CrossRefGoogle Scholar
Chen, R.-L., Bao, X.-Z., Drake, V.A., Farrow, R.A., Wang, S.-Y., Sun, Y.-J. & Zhai, B.-P. (1989) Radar observations of the spring migration into northeastern China of the oriental armyworm moth, Mythimna separata and other insects. Ecological Entomology 14, 149162.Google Scholar
Chinery, M. (1993) Field Guide: Insects of Britain and Northern Europe (3rd edition). 320 pp. +60 colour plates. London, UK, HarperCollins.Google Scholar
Drake, V.A. (1984) The vertical distribution of macro-insects migrating in the nocturnal boundary layer: a radar study. Boundary-Layer Meteorology 28, 353374.CrossRefGoogle Scholar
Drake, V.A. & Farrow, R.A. (1988) The influence of atmospheric structure and motions on insect migration. Annual Review of Entomology 33, 183210.CrossRefGoogle Scholar
Drake, V.A. & Gatehouse, A.G. (Eds) (1995) Insect Migration: Tracking Resources through Space and Time. 478 pp. Cambridge, UK, Cambridge University Press.CrossRefGoogle Scholar
Drake, V.A. & Rochester, W.A. (1994) The formation of layer concentrations by migrating insects. pp. 411414 in Proceedings of 21st Conference on Agricultural and Forest Meteorology–11th Conference on Biometeorology, 7–11 March 1994, San Diego, California. American Meteorological Society, Boston, MA, USA.Google Scholar
Feng, H.-Q., Wu, K.-M., Cheng, D.-F. & Guo, Y.-Y. (2003) Radar observations of the autumn migration of the beet armyworm Spodoptera exigua (Lepidoptera: Noctuidae) and other moths in northern China. Bulletin of Entomological Research 93, 115124.CrossRefGoogle ScholarPubMed
Feng, H.-Q., Wu, K.-M., Cheng, D.-F. & Guo, Y.-Y. (2004) Spring migration and summer dispersal of Loxostege sticticalis (Lepidoptera: Pyralidae) and other insects observed with radar in northern China. Environmental Entomology 33, 12531265.CrossRefGoogle Scholar
Feng, H.-Q., Wu, K.-M., Ni, Y.-X., Cheng, D.-F. & Guo, Y.-Y. (2005) High altitude windborne transport of Helicoverpa armigera (Lepidoptera: Noctuidae) and other moths in mid summer in northern China. Journal of Insect Behavior 18, 335349.CrossRefGoogle Scholar
Fitt, G.P. (1989) The ecology of Heliothis species in relation to agroecosystems. Annual Review of Entomology 34, 1752.CrossRefGoogle Scholar
French, R.A. (1969) Migration of Laphygma exigua Hübner (Lepidoptera:Noctuidae) to the British Isles in relation to large-scale weather systems. Journal of Animal Ecology 38, 199210.CrossRefGoogle Scholar
Gatehouse, A.G. (1997) Behavior and ecological genetics of wind-borne migration by insects. Annual Review of Entomology 42, 475502.CrossRefGoogle ScholarPubMed
Geerts, B. & Miao, Q. (2005) Airborne radar observations of the flight behavior of small insects in the atmospheric convective boundary layer. Environmental Entomology 34, 361377.CrossRefGoogle Scholar
Glick, P.A. (1939) The distribution of insects, spiders and mites in the air. 150 pp. Technical Bulletin of the US Department of Agriculture No. 673.Google Scholar
Hächler, M., Bloesch, B. & Mittaz, C. (2002) Migration des lépidoptères nocturnes: observations au col du Grand-Saint-Bernard. Revue Suisse d'Agriculture 34(3), 137145.Google Scholar
Hill, J.K. & Gatehouse, A.G. (1993) Phenotypic plasticity and geographical variation in the pre-reproductive period of Autographa gamma (Lepidoptera: Noctuidae) and its implications for migration in this species. Ecological Entomology 18, 3946.CrossRefGoogle Scholar
Howard, R.A. (1999) Possible migration of Noctua pronuba (L.) (Lepidoptera: Noctuidae) at Lizard Point, Cornwall. Entomologist's Gazette 50, 3338.Google Scholar
Johnson, C.G. (1969) Migration and Dispersal of Insects by Flight. 763 pp. London, UK, Methuen.Google Scholar
Lewis, T. & Taylor, L.R. (1964) Diurnal periodicity of flight by insects. Transactions of the Royal Entomological Society of London 116, 393479.CrossRefGoogle Scholar
Macaulay, E.D.M., Tatchell, G.M. & Taylor, L.R. (1988) The Rothamsted Insect Survey 12-metre suction trap. Bulletin of Entomological Research 78, 121129.CrossRefGoogle Scholar
Maryon, R.H. (1997) The gravitational settling of particulates: towards a parameterisation for the ‘NAME’ dispersion model. Turbulence and Diffusion Note 244, Bracknell UK, Met Office (Public Met Services Research, PMSR).Google Scholar
Pedgley, D.E. (1982) Windborne Pests and Diseases: Meteorology of Airborne Organisms. 250 pp. Chichester, UK, Ellis Horwood.Google Scholar
Pedgley, D.E. (1993) Managing migratory insect pests—a review. International Journal of Pest Management 39, 312.CrossRefGoogle Scholar
Reynolds, A.M., Reynolds, D.R. & Riley, J.R. (2008) Does a ‘turbophoretic’ effect account for layer concentrations of insects migrating in the stable night-time atmosphere? Journal of the Royal Society – Interface 6, 8795.CrossRefGoogle Scholar
Reynolds, D.R., Chapman, J.W., Edwards, A.S., Smith, A.D., Wood, C.R., Barlow, J.F. & Woiwod, I.P. (2005) Radar studies of the vertical distribution of insects migrating over southern Britain: the influence of temperature inversions on nocturnal layer concentrations. Bulletin of Entomological Research 95, 259274.CrossRefGoogle ScholarPubMed
Reynolds, D.R., Chapman, J.W. & Harrington, R. (2006) The migration of insect vectors of plant and animal viruses. Advances in Virus Research 67, 453517.CrossRefGoogle ScholarPubMed
Reynolds, D.R., Chapman, J.W. & Smith, A.D. (2008) A radar study of emigratory flight and layer formation by insects at dawn over southern Britain. Bulletin of Entomological Research 98, 3552.CrossRefGoogle ScholarPubMed
Riley, J.R., Reynolds, D.R., & Farmery, M.J. (1983) Observations of the flight behaviour of the armyworm moth, Spodoptera exempta, at an emergence site using radar and infra-red optical techniques. Ecological Entomology 8, 395418.CrossRefGoogle Scholar
Showers, W.B. (1997) Migration ecology of the black cutworm. Annual Review of Entomology 42, 393425.CrossRefGoogle ScholarPubMed
Smith, A.D., Riley, J.R. & Gregory, R.D. (1993) A method for routine monitoring of the aerial migration of insects by using a vertical-looking radar. Philosophical Transactions of the Royal Society, Series B 340, 393404.Google Scholar
Smith, A.D., Reynolds, D.R. & Riley, J.R. (2000) The use of vertical-looking radar to continuously monitor the insect fauna flying at altitude over southern England. Bulletin of Entomological Research 90, 265277.CrossRefGoogle ScholarPubMed
Sparks, T.H., Dennis, R.L.H., Croxton, P.J. & Cade, M. (2007) Increased migration of Lepidoptera linked to climate change. European Journal of Entomology 104, 139143.CrossRefGoogle Scholar
Stull, R.B. (1997) An Introduction to Boundary Layer Meteorology. 666 pp. Dordrecht, The Netherlands, Kluwer Academic Publishers.Google Scholar
Taylor, L.R. (1974) Insect migration, flight periodicity and the boundary layer. Journal of Animal Ecology 43, 225238.CrossRefGoogle Scholar
Taylor, L.R. & Carter, C.I. (1961) The analysis of numbers and distribution in an aerial population of Macrolepidoptera. Transactions of the Royal Entomological Society of London 113, 369386.CrossRefGoogle Scholar
Williams, C.B. (1948) The Rothamsted light trap. Proceedings of the Royal Entomological Society of London, Series A 23, 8085.CrossRefGoogle Scholar
Woiwod, I.P. & Harrington, R. (1994) Flying in the face of change: the Rothamsted Insect Survey. pp. 321342in Leigh, R.A. & Johnson, A.E. (Eds) Long-term Experiments in Agricultural and Ecological Sciences. Wallingford, UK, CAB International.Google Scholar
Wood, C.R. (2007) The biometeorology of high-altitude insect layers. PhD thesis, The University of Reading, UK.Google Scholar
Wood, C.R., Chapman, J.W., Reynolds, D.R., Barlow, J.F., Smith, A.D. & Woiwod, I.P. (2006) The influence of the atmospheric boundary layer on nocturnal layers of moths migrating over southern Britain. International Journal of Biometeorology 50, 193204.CrossRefGoogle ScholarPubMed
Wolf, W.W., Westbrook, J.K., Raulston, J., Pair, S.D. & Hobbs, S.E. (1990) Recent airborne radar observations of migrant pests in the United States. Philosophical Transactions of the Royal Society, Series B 328, 619630.Google Scholar