Photoperiodic sensitivity and diapause induction during ovarian, embryonic and larval development of the flesh fly,Sarcophaga argyrostoma

Kenny, N. A. P.; Rlchard, D. S.; Bradley, Helen K.; Saunders, D. S.

doi:10.1007/bf02703152

Cited by 7 publications

(1 citation statement)

References 15 publications

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“…Subsequent investigation (Rockey et al, 1989) suggested that a maternal 'message' was passed from the brain to the ovaries. A similar but less pronounced effect was observed in S. crassipalpis (Henrich & Denlinger, 1982) but found to be absent in S. argyrostoma from more northern Europe (Kenny et al, 1992), possibly because the colder spring at higher latitudes leads to protracted post-diapause quiescence so that the appearance of the fi rst fl ies in the spring is delayed until daylength exceeds its critical value. Similar phenomena enabling insects to distinguish spring from autumn have been described in aphids.…”

Section: Prevention Of Maladaptive Diapause In the Springmentioning

confidence: 67%

Insect photoperiodism: Seasonal development on a revolving planet

Saunders¹

2020

Eur. J. Entomol.

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This review starts by comparing photoperiodic diapause with non-photoperiodic quiescence in four representative species, paying particular attention to overwintering in Drosophila melanogaster. In the second part it describes dormancy strategies of insects from the equator to the polar regions, addressing topics such as the role of the circadian system in photoperiodic time measurement, latitudinal clines in diapause-related traits, hourglass-like photoperiodic clocks based on dampening circadian oscillators, and the dormancy strategies of insects close to the equator or at high latitudes where seasonal changes in photoperiod are unreliable or absent. * Note: When reviewing early papers or more general accounts of photoperiodism, the terms daylength, short days, long days, critical daylength (CDL) etc are used (probably because we humans are a day-active species). In later examples, where duration of the dark phase of the daily cycle has been shown to be more important, references are made to nightlength (critical nightlength, CNL etc), hopefully without causing confusion.

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Section: Prevention Of Maladaptive Diapause In the Springmentioning

confidence: 67%