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    Ekbom, Barbara and Päts, Peeter 1996. A sampling plan for egg batches ofChilospp. (Lepidoptera: Pyralidae) on maize. International Journal of Pest Management, Vol. 42, Issue. 1, p. 35.

    Päts, Peeter 1991. Activity of Chilo partellus (Lepidoptera: Pyralidae): eclosion, mating and oviposition time. Bulletin of Entomological Research, Vol. 81, Issue. 01, p. 93.

    Ramachandran, R. and Saxena, K. N. 1991. Some aspects of emergence, mating, oviposition and flight activity ofChilo partellus(Swinhoe) (Lep., Pyralidae). Journal of Applied Entomology, Vol. 112, Issue. 1-5, p. 43.

    Tomioka, Kenji Wakatsuki, Takanori Shimono, Katsuyuki and Chiba, Yoshihiko 1991. Circadian control of hatching in the cricket, Gryllus bimaculatus. Journal of Insect Physiology, Vol. 37, Issue. 5, p. 365.

    Ramachandran, R. 1989. Hatching pattern and survival of first instars of Ectropis excursaria (Guenee) (Geometridae: Lepidoptera). International Journal of Tropical Insect Science, Vol. 10, Issue. 04, p. 507.


Control of hatching time of eggs of Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae)

  • R. F. Chapman (a1), E. A. Bernays (a1), S. Woodhead (a1), D. E. Padgham (a1) and S. J. Simpson (a1)
  • DOI:
  • Published online: 01 July 2009

In the field in India, most eggs of Chilo partellus (Swinh.) hatched in the morning soon after first light. Laboratory experiments show that in continuous light hatching occurs after 250 hour-degrees of development above 12°C from the time at which the head capsule darkens (blackheading). Hatching may be advanced by a lights-on stimulus or retarded by darkness, and these effects account for the extensive hatching at dawn. Hatching is not entrained by a circadian rhythm. The significance of hatching at this time of day is discussed.

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D. H. Minis C. S. Pittendrigh (1968). Circadian oscillation controlling hatching: its ontogeny during embryogenesis of a moth. — Science, N.Y. 159, 534536.

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Bulletin of Entomological Research
  • ISSN: 0007-4853
  • EISSN: 1475-2670
  • URL: /core/journals/bulletin-of-entomological-research
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