Metamorphosis and Wing Formation in the Brown Plant Hopper, Nkparvafa lugens, After Topical Application of Precocene II
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Date
1996
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J. Wiley -Liss Inc.
Abstract
In the present paper the effects of precocene on N. lugens strains obtained by
successive selection for adults with specific wing form under highly crowded
conditions over 70 generations are reported. When precocene II was applied,
macropterous adults developed from presumptive brachypters. Our results also
demonstrated the disruptive effects of precocene I1 on metamorphosis, and we
report here the induction of precocious metamorphosis in N. lugens in details for
the first time. The sensitive periods to precocene 11, affccting wing dimorphism and
metamorphosis, differed between the two strains.
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Keywords
juvenile hormone, metamorphosis