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29. Derived from: Legner, E. F. & E. R. Oatman. 1965.
Limitation on the pupal development of the eye-spotted bud moth in northeastern
Wisconsin. J. Econ. Entomol. 58(2): 359-360. Pupae formed in the Insectary of reared S. ocellana
larvae and which died before the conspicuous development of adult structures
ranged in number from 21.3 to 27.7% in all sample blocks during the 3
years. These figures compared with
pupae collected from cardboard bands where in 1960, for example, 21.3% of 216
reared pupae died before full development of adult structures. The cumulative total mortality of
field-collected pupae sampled before first adult emergence in July of each
year ranged from 62.0 to 67.1%. Other
data not wholly comparable tended to substantiate these results. |
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