Developmental characteristics of Geocoris pallidipennis were investigated at a constant temperature (20±1, 25±1, 30±1, 35±1, 37.5±1 and 40±1℃), under long day illumination 16:8 (L:D) and constant relative humidity (80±10%). From egg to adulthood, the lower developmental threshold and the effective accumulative temperature were 14.8℃ and 399.1 day-degree, respectively. The experimental results at 35℃ were as follows. The egg period was 5.6 days (hatchability: 81.1%) and the nymphal period was 14.3 days (1st: 3.2, 2nd: 2.2, 3rd: 2.7, 4th: 2.7, 5th: 3.6). Female longevity was 33.8 days and the oviposition period was 29.2 days. Total egg production was 111.2 eggs and the maximum daily egg production was 14.8 eggs (in 7th days). However, although some eggs and nymphs developed at 37.5℃, G. pallidipennis could not develop at 40℃, The total egg production at 40℃ was only 22.1 eggs. When G. pallidipennis was fed on Bemisia tabaci pupae, daily prey consumption by nymphs (1st, 3rd and 5th) and adults was 1.9, 7.3, 18.7 and 29.5, respectively.
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