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巴西巴拉那州卡斯卡韦尔一个家禽饲养场中暗黑粉虫(Alphitobius diaperinus (Panzer))(鞘翅目;拟步甲科)的种群波动与空间分布

Populational fluctuation and spatial distribution of Alphitobius diaperinus (Panzer) (Coleoptera; Tenebrionidae) in a poultry house, Cascavel, Parana state, Brazil.

作者信息

Chernaki-Leffer A M, Almeida L M, Sosa-Gómez D R, Anjos A, Vogado K M

机构信息

Departamento de Zoologia, Universidade Federal do Paraná, Curitiba, PR, 81531-990, Brazil.

出版信息

Braz J Biol. 2007 May;67(2):209-13. doi: 10.1590/s1519-69842007000200005.

Abstract

Knowledge of the population fluctuation and spatial distribution of pests is fundamental for establishing an appropriate control method. The population fluctuation and spatial distribution of the Alphitobius diaperinus in a poultry house in Cascavel, in the state of Parana, Brazil, was studied between October, 2001 and October 2002. Larvae and adults of the lesser mealworm were sampled weekly using Arends tube traps (n = 22) for six consecutive flock grow-outs. The temperature of the litter and of the poultry house was measured at the same locations of the tube traps. Beetle numbers increased continuously throughout all the sampling dates (average 5,137 in the first week and 18,494 insects on the sixth week). Significantly greater numbers of larvae were collected than adults (1 to 20 times in 95% of the sampling points). There was no correlation between temperature and the number of larvae and adults collected, therefore no fluctuation was observed during the sampling period. The population growth was correlated to litter re-use. The highest temperatures were observed in deep litter. The spatial distribution of larvae and adults in the poultry house was heterogeneous during the whole period of evaluation. Results suggest that monitoring in poultry houses is necessary prior to adopting and evaluating control measures due to the great variability of the insect distribution in the poultry house.

摘要

了解害虫的种群波动和空间分布是建立适当控制方法的基础。2001年10月至2002年10月期间,对巴西巴拉那州卡斯卡韦尔一家禽舍中的暗黑粉虫的种群波动和空间分布进行了研究。连续六个鸡群饲养期内,每周使用阿伦兹管诱捕器(n = 22)对小粉虫的幼虫和成虫进行采样。在管诱捕器的相同位置测量垫料和禽舍的温度。在所有采样日期,甲虫数量持续增加(第一周平均为5,137只,第六周为18,494只)。收集到的幼虫数量明显多于成虫(95%的采样点为1至20倍)。温度与收集到的幼虫和成虫数量之间没有相关性,因此在采样期间未观察到波动。种群增长与垫料再利用相关。在深层垫料中观察到最高温度。在整个评估期间,禽舍中幼虫和成虫的空间分布是不均匀的。结果表明,由于禽舍中昆虫分布的巨大变异性,在采用和评估控制措施之前,有必要对禽舍进行监测。

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