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Example sentences for: diapausing
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It is difficult to test this notion with the current literature as timed dissections of diapausing embryos, larvae and pupae have rarely been conducted.
Finally, we tested whether putatively diapausing embryos could resume development and hatch earlier than the reported 100 days [ 8 ] by transferring embryos from 0-4°C to 16°C at day 49 and tracking their development.
This appears to be somewhat contrary to the traditional understanding of diapause, which typically involves a distinct 'resting stage' [ 1 21 ] . Much research has revealed, however, that even during the 'resting stage' there are physiological changes in the diapausing insect, leading to the concept of 'diapause development' [ 22 23 ] . Nevertheless, such development appears to be primarily physiological rather than morphological, and was defined as physiogenesis by Andrewartha (1952).
Diapausing embryos of the orthopteran Austroicetes cruciata undergo slow development for the first two months of diapause, before entering a resting stage [ 24 ] . Similarly, caterpillars of Cirphus unipunctata and Laphygma exigua continue to feed and develop during diapause, albeit at a much-reduced rate [ 25 ] , and caterpillars of the corn-stalk borer Sesamia nonagriodes undergo non-stationary moults during diapause [ 26 ] . These examples hint that the expression of diapause-controlled dormancy may vary between species [ 2 ] . Consequently, diapause could be considered extreme regulation of developmental rate, rather than a shutting down of morphological development.
It is possible that the morphological development observed in diapausing A. pisum is exceptional.
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