Abstract
It is shown that exposure of the mealworm beetle Tenebrio molitor pupae to combined static (42 μT) and very weak alternating (250 nT) magnetic fields has different effects on the duration of metamorphosis processes in these insects depending on the frequency of the alternating magnetic field. For instance, the exposure of pupae to weak combined magnetic fields adjusted to the frequency of ion cyclotron resonance for glutamic add (4.4 Hz) stimulated metamorphosis, with the transitional stage from pupae to imago being shorter. An inhibitory effect was observed when magnetic fields were adjusted to the frequency of ion cyclotron resonance for Ca2+ (32.2 Hz). At some frequencies, this effect was not observed. For instance, the exposure at a frequency of ion cyclotron resonance for K+ (16.5 Hz) had no noticeable effect on the duration of the pupal metamorphosis stage.
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Original Russian Text © V.V. Novikov, I.M. Sheiman, E.V. Yablokova, E.E. Fesenko, 2014, published in Biofizika, 2014, Vol. 59, No. 6, pp. 1157–1160.
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Novikov, V.V., Sheiman, I.M., Yablokova, E.V. et al. The modulating effect of weak combined magnetic fields on the duration of the stages of metamorphosis of the Tenebrio molitor mealworm beetle. BIOPHYSICS 59, 940–943 (2014). https://doi.org/10.1134/S0006350914060153
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DOI: https://doi.org/10.1134/S0006350914060153