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Preference of Tribolium confusum (Coleoptera: Tenebrionidae) adults to grain patches under constant and rising temperatures
Journal of Stored Products Research ( IF 2.7 ) Pub Date : 2020-12-19 , DOI: 10.1016/j.jspr.2020.101756
Jianhua Lü , Fuji Jian , Paul Fields

Heat treatment, an environmental friendly insect control method, has been applied to disinfest grain storage and food processing facilities. Movement of Tribolium confusum adults into grain piles (0.1, 0.5, 1.0, or 5.0 kg oat groats) was investigated at constant temperatures (30, 35, 37.5, 40, 45, or 50 °C) or rising temperatures (at a rate of 0.05 °C/min from 24 to 54 °C in laboratory, or from approximately 30 to 60 °C in a mill during a heat treatment). Adults moved among locations, paper surface, surface of grain pile and inside grain pile. There was preference for the grain at ≤37.5 °C. No single adult always stayed inside grain piles at 30 °C. At rising temperatures, adults preferred grain piles (on the surface of or inside grain piles) and moved into cold grain regardless of adult introduction methods (introduced on surface of groats piles, on paper, or premixed with groats). Rising temperatures did not drive adults out of grain piles during heat treatment.



中文翻译:

在恒定温度和升高温度下,甜菜Tribolium confusum(鞘翅目:Tenebrionidae)成年人更喜欢谷物斑块

热处理是一种环境友好的昆虫防治方法,已用于对谷物存储和食品加工设施进行除虫处理。bol虫的运动在恒定温度(30、35、37.5、40、45或50°C)或温度升高(速率为0.05°C /在实验室中从24到54°C的最小分钟,或在热处理期间在磨机中从约30到60°C的最小分钟)。成虫在位置,纸张表面,谷物堆表面和内部谷物堆之间移动。晶粒优选在≤37.5°C下。没有一个成年人总是在30°C下停留在谷物堆中。在升高的温度下,成年者更喜欢谷物堆(在谷物堆的表面或内部)并移动到冷谷物中,而与成年引入方法无关(引入在碎粒堆的表面,在纸上或与碎粒预先混合)。在热处理过程中,升高的温度并没有将成年人赶出粮堆。

更新日期:2020-12-20
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