作　　者： ; ; ; ; ; ;

机构地区： 仲恺农业工程学院农学院

出　　处： 《广东农业科学》 2011年第11期86-89,共4页

摘　　要： 对烟草甲的试验种群的体长、体重、龄期以及产卵量等生物学参数和试验种群生命表进行了观察和研究。结果表明,在温度30(±1)℃,相对湿度75(±5)%,用碎麦加10%酵母饲养下,烟草甲卵多散产,卵长0.41 mm,卵宽0.19 mm,历期5.57 d;幼虫分为4龄,各龄幼虫历期分别为5.97、5.17、4.94、5.65;蛹历期3.61 d,雌雄性比为100∶65,雌蛹体长、体宽、体重都明显高于雄蛹的体长、体宽体重;成虫产卵期5.16 d,单对隔离产卵量为21.35粒,明显少于群体产卵的平均卵量。生命表结果表明,烟草甲试验种群的种群趋势指数(I)为15.37。 The life table and biological characteristics parameters such as body lengths,body weight,duration and productivity of laboratory cultures of Lasioderma serricorne （Fabricius） were studied.The cigarette beetles reared on ground wheat supplemented with 10% yeast at ca.30℃ and 75% r.h. The eggs distribute dispersedly, the average lengths and widths were 0.41 mm and 0.19 mm,the duration of ovum was 5.57 d. There were 4 instars of larva period, the duration of the 1st instar,the 2nd instar,the 3rd instar ,the 4th instar was 5.97, 5.17, 4.94, 5.65 d,respectively. The duration of pupa was 3.61 d,the proportion of female/male was 100：65, the body size of female pupa was obviously larger than that of male pupa and the body weight was the same case.The mean spawning time was 5.16 d. There were 21.35 eggs per single couple less obviously than those of per female in group. The population trend index（I） was 15.37.

关 键 词： 烟草甲 生物学参数 生命表

领　　域： [农业科学] [农业科学]