年龄和环境条件对蟑螂凝胶饵性能的影响。

Isabelle M Lucero, Sudip Gaire, Zachary C DeVries
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引用次数: 0

摘要

蟑饵是防治德国小蠊最有效的手段之一。这在一定程度上是由于市场上有许多含有各种基质成分和有效成分的蟑螂诱饵,通过轮换诱饵帮助控制耐杀虫剂的蟑螂种群。然而,目前还不清楚蟑螂凝胶诱饵在不同环境条件下的表现如何。因此,我们在不同的时间(24小时,1个月,3个月和6个月)和三种相对湿度(15%,40%和80%)下对6种蟑螂凝胶诱饵进行老化,并测试它们与新鲜诱饵的性能(消耗和功效)。德国蟑螂根据饵料产品和年龄消耗不同数量的饵料,与大多数测试产品的新鲜饵料消费量相比,老化饵料消费量显著下降。24 h以上饵料对所有德国小蠊种群的死亡率均大于93%。与标准相对湿度(40%)相比,低相对湿度(15%)对饵料消耗和药效没有显著影响,但高相对湿度(80%)导致所有试验中霉菌(Mucoraceae)过度生长,阻碍了高湿条件下老化饵料的试验。我们的研究结果表明,在实验室条件下,在相对湿度为40%和15%的情况下,蟑螂凝胶诱饵在使用后6个月仍保持美味和有效。这表明,尽管与新鲜毒饵相比,陈年毒饵的消费量有所下降,但在施用后仍可在较长时间内发挥控制蟑螂的作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of age and environmental conditions on cockroach gel bait performance.

Cockroach baits are one of the most effective tools used for German cockroach (Blattella germanica L.) control. This is due in part to the number of cockroach baits on the market with various matrix compositions and active ingredients, aiding in the control of insecticide-resistant cockroach populations through bait rotation. However, it remains unclear how cockroach gel baits perform over time and under different environmental conditions. Therefore, we aged six cockroach gel baits for varying times (24 h, 1 mo, 3 mo, and 6 mo) and at three relative humidities (15%, 40%, and 80%), and tested their performance (consumption and efficacy) against fresh baits. German cockroaches consumed various quantities of bait depending upon both bait product and age, with significant declines in aged bait consumption compared to fresh bait consumption for most products tested. However, all baits aged over 24 h caused greater than 93% mortality in all B. germanica (L.) populations. Low relative humidity (15%) did not significantly affect bait consumption or efficacy compared to standard relative humidity (40%), but high humidity (80%) resulted in excessive mold growth (Mucoraceae) in all trials, preventing testing of aged baits at high humidity. Our findings show that cockroach gel baits remain palatable and effective up to 6 mo after application at 40% and 15% relative humidity in laboratory conditions. This suggests that even though consumption declines in comparison to fresh baits, aged baits may play a role in cockroach control for an extended time after application.

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