Influence of Constant Temperature on Reproductive Parameters of Holotrichia oblita (Coleoptera: Scarabaeidae)
文献类型： 外文期刊
作者： Chen, Haoliang 1 ; Lin, Lulu 1 ; Xie, Minghui 1 ; Zhang, Guangling 1 ; Su, Weihua 1 ;
作者机构： 1.Anhui Acad Agr Sci, Inst Plant Protect & Agroprod Safety, Hefei 230031, Anhui, Peoples R China
关键词： Holotrichia oblita;temperature;egg laying;longevity
期刊名称：JOURNAL OF INSECT SCIENCE （ 影响因子：1.857； 五年影响因子：1.904 ）
ISSN： 1536-2442
年卷期： 2015 年 15 卷
页码：
收录情况： SCI
摘要： Holotrichia oblita Faldermann (Coleoptera: Scarabaeidae) is a major pest both in field crops and forests because the larvae could eat the roots of most crops in the field, and the adults damage the leaves of trees and field crops. In this study, we focused on the effects of temperature on H. oblita reproductive parameters. The results indicated H. oblita female adults at 25 degrees C could lay more eggs (84.0 eggs per female) and have the shortest preoviposition period (19.1 d), the greatest oviposition rate (2.8 eggs per female per 3 d), and largest percentage of life span spent in oviposition (59.5%). The longevity and the time to 50% egg laying decreased with increasing temperature, and female longevity was always longer than male longevity. The preoviposition and postoviposition period decreased with increasing temperature from 15 to 25 degrees C and then increased when the temperature increased from 25 to 30 degrees C. These results show that 25 degrees C is the optimal temperature for reproduction of H. oblita.
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