Interactive effects of photoperiod and temperature on diapause induction and termination in the yellow-spotted longicorn beetle, Psacothea hilaris

.  The interactive effects of temperature (20 °C or 25 °C) and photoperiod (LD 12 : 12 h or LD 15 : 9 h) on diapause induction and termination are investigated in the west‐Japan type yellow‐spotted longicorn beetle, Psacothea hilaris (Pascoe) (Coleoptera: Cerambycidae). Larval diapause of P. hilaris...

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Bibliographic Details
Published in:Physiological entomology 2004-12, Vol.29 (5), p.458-463
Main Authors: Asano, W, Munyiri, F.N, Shintani, Y, Ishikawa, Y
Format: Article
Language:English
Subjects:
Cerambycidae
diapause
Diapause induction
diapause intensity
diapause termination
duration
larval development
photoperiod
Psacothea hilaris
pupation
temperature
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Summary:.  The interactive effects of temperature (20 °C or 25 °C) and photoperiod (LD 12 : 12 h or LD 15 : 9 h) on diapause induction and termination are investigated in the west‐Japan type yellow‐spotted longicorn beetle, Psacothea hilaris (Pascoe) (Coleoptera: Cerambycidae). Larval diapause of P. hilaris is induced under three diapause‐inducing conditions (20 °C–SD, 20 °C–LD and 25 °C–SD), and the diapause larvae are transferred to one of four conditions (20 °C–SD, 20 °C–LD, 25 °C–SD or 25 °C–LD) for observation of pupation, which indicates termination of diapause. The intensity of diapause induced under the three conditions increases in the order 20 °C–SD 
ISSN:0307-6962
1365-3032
DOI:10.1111/j.0307-6962.2004.00417.x