Demographic Attributes of Tribolium freemani HINTON : Coleoptera : Tenebrionidae

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概要

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• Demographic studies were carried out for Tribolium freemani HINTON on a wheat shorts or wheat flour medium under a laboratory condition (32.5℃ and 73% r.h.). The sex ratio determined at pupal stage was 1 : 1. The mean lonevity of females and males was 329.1 and 346.7 days, respectively. The survivorship curves for both sexes were negatively skewed rectangular type. A female produced ca 1,000 eggs during her enitre life. The intrinsic rate of increase (r_m) was 0.073 per day, the net reproductive rate (R_0) was 351 and the mean generation time (T) 80.6 days. T.freemani had a relatively low age specific reproductive value (v_x) which was retained for a long period. Ecological and pest status of T. freemani, in comparison with other Tribolium species ofstored-product pests, was discussed.

• 1987-11-25

著者

• Imura Osamu

  Stored Product Entomology Laboratory National Food Research Institute

関連論文

• Demographic Attributes of Tribolium freemani HINTON : Coleoptera : Tenebrionidae
• Loss Assessment of Stored Rice Infested by Sitotroga cerealella(OLIVIER)(Lepidoptera : Gelechiidae)
• A Comparative Study of the Feeding Habits of Tribolium freemani HINTON and Tribolium castaneum(HERBST)(Coleoptera:Tenebrionidae)
• Damage of Rough and Brown Rice by Four Stored-product Insect Species
• Effects of Gamma Radiation on Survival and Reproduction of Callosobruchus chinensis (L.) (Coleoptera : Bruchidae)
• Changes in Size and Weight during Development of Tribolium freemani HINTON (Coleoptera : Tenebrionidae)

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