Title: Biology of the moth Dasyses rugosella Stainton a storage pest of yams (Dioscorea spp.) (Lepidoptera, Tineidae)
Abstract:Egg laying generally commenced in less than 24 h of adult emergence. Unmated females did not lay any eggs until they had mated. Larval head capsule measurements and direct rearing experiments indicate...Egg laying generally commenced in less than 24 h of adult emergence. Unmated females did not lay any eggs until they had mated. Larval head capsule measurements and direct rearing experiments indicated that D. rugosella underwent 7 larval stages of which the last was the pre-pupa. The duration of development of the immature stages decreased with increased temperature. The lower threshold temperatures of development of the immature stages ranged from 15°C in the pupal stage to 19.4°C in the larval stage. Both fecundity and longevity of adult females were unaffected by feeding or food deprivation (starvation). Adults seemed to have relied on larval nutrition to sustain their biological activities. Tethered flight on pins showed that while males flew for about 22 sec on day 0, unmated and mated females flew for only 12 and 10 sec, respectively. Furthermore, males flew up to the 7th day of their life while unmated and mated females could fly only up to the 5th and 3rd days of their life, respectively.Read More
Publication Year: 2008
Publication Date: 2008-04-22
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 8
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