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Effects of temperature and humidity on immature development of Lygus pratensis (L.) (Hemiptera: Miridae)

文献类型： 外文期刊

作者： Liu, Bing 2 ; Li, Hai-Qiang 3 ; Ali, Abid 2 ; Li, Hao-Bing 3 ; Liu, Jian 3 ; Yang, Yi-Zhong 1 ; Lu, Yan-Hui 2 ;

作者机构： 1.Yangzhou Univ, Coll Hort & Plant Protect, Yangzhou 225009, Peoples R China

2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

3.Xinjiang Acad Agr Sci, Inst Plant Protect, Urumqi 830091, Peoples R China

关键词： Development rate;Environmental factors;Immature stage;Mathematical model;Mirid bug

期刊名称：JOURNAL OF ASIA-PACIFIC ENTOMOLOGY （ 影响因子：1.303； 五年影响因子：1.427 ）

ISSN： 1226-8615

年卷期： 2015 年 18 卷 2 期

页码：

收录情况： SCI

摘要： Lygus pratensis distributes worldwide and is one of the common insect pests on cotton in Xinjiang Uygur Autonomous Region, the largest cotton growing region of China. This study assessed the effects of six constant temperatures (10, 15, 20, 25, 30 and 35 degrees C) at 60% relative humidity (RH) on egg and nymphal development of L. pratensis. Eggs failed to hatch and the newly-hatched nymphs could not normally develop at 10 degrees C. The developmental duration of egg and nymph decreased as temperature increased from 15 to 30 except 35 degrees C for egg. Based on the linear model, the lower developmental threshold and effective accumulated temperature were 10.68 degrees C and 150.2 DD for egg, and 12.08 degrees C and 208.3 DD for nymph, respectively. Among three non-linear models (Briere-1, Logan-6 and Lactin), Logan-6 provided the most accurate estimate for the mean optimum and lethal maximum temperatures (33.6 and 40.9 degrees C for egg, and 34.0 and 37.4 degrees C for nymphs). The interactive effects of three RH levels (45, 60 and 75%) and two temperatures (25 and 35 degrees C) on the immature developmental stages were tested. Temperature, RH and their interaction showed significant effects on egg and nymphal development. High relative humidity (75% RH) shortened the developmental duration of egg at 25 degrees C and nymph at 25 and 35 degrees C, whereas no significant difference was found for egg duration between different RH levels at 35 degrees C. The present study is useful for further predicting the phenology of L pratensis and developing forecast and management strategies for this emerging mind bug in China. (C) 2015 Korean Society of Applied Entomology, Taiwan Entomological Society and Malaysian Plant Protection Society. Published by Elsevier B.V. All rights reserved.

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