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首页> 外文期刊>Journal of Economic Entomology >Attractiveness of an aggregation pheromone lure and chicken droppings to adults and larvae of alphitobius diaperinus (Coleoptera: Tenebrionidae)
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Attractiveness of an aggregation pheromone lure and chicken droppings to adults and larvae of alphitobius diaperinus (Coleoptera: Tenebrionidae)

机译：聚集信息素诱饵和鸡粪对成年幼虫和成虫幼虫的吸引力（鞘翅目：Tenebrionidae）

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摘要

The chemical cues by which lesser mealworm, Alphitobius diaperinus (Panzer) (Coleoptera: Tenebrionidae) beetles find each other are still unknown. Laboratory two-choice pitfall bioassays were conducted to evaluate the attractiveness of synthetic aggregation pheromone lure to lesser mealworm adults and larvae. All components of this synthetic aggregation pheromone lure, including: (R)-(+)-limonene, (E)-β-ocimene, (S)-(+)-linalool, (R)-(+)-daucene, and 2-nonanone were also tested singly. Chicken dropping volatile compounds and fresh chicken droppings (CD) were evaluated singly or in combination with the pheromone lure. In Arkansas, trapping experiments were conducted in different poultry houses with low, moderate, and high lesser mealworm populations to evaluate the attraction of pheromone lure. Laboratory two-choice pitfall bioassay was found to be a useful and convenient tool for evaluating the attractants before testing them in the poultry house. Greater attraction of adults and larvae to a dose of 20-30 μg pheromone lure was identified in laboratory two-choice pitfall bioassays. Adults and larvae were highly attractive to a combination of fresh CD and pheromone lure, whereas, a combination of chicken dropping volatile and pheromone lure was not significantly attractive. The low attraction of limonene and linalool in the laboratory two-choice pitfall bioassays suggest that either they are nonattractive or attractive only at a narrow range of concentrations. Higher numbers of lesser mealworm adults and larvae were found in traps treated with pheromone lure as compared with untreated controls in field experiments. Results indicate a potential for combining the pheromone lure with the attractive CD compounds to enhance trap efficacy.
机译：较小的粉虫，甲虫（Panzer）（鞘翅目：Tenebrionidae）甲虫相互发现的化学线索仍是未知的。进行了实验室二选陷阱生物测定法，以评估合成的聚集信息素诱饵对小粉虫成虫和幼虫的吸引力。该合成聚集信息素的所有成分都吸引，包括：（R）-（+）-柠檬烯，（E）-β-甜菜碱，（S）-（+）-芳樟醇，（R）-（+）-丁二烯和还单独测试了2-壬酮。单独或与信息素诱饵一起评估滴鸡挥发性化合物和新鲜鸡粪（CD）。在阿肯色州，对粉虱种群数量较低，中等和较高的不同禽舍进行了诱捕实验，以评估信息素诱饵的吸引力。发现实验室二选陷阱生物测定法是在家禽舍中测试引诱剂之前评估引诱剂的有用且便捷的工具。在实验室二选陷阱生物测定法中，确定了成年和幼虫对20-30μg信息素诱饵的更大吸引力。成年和幼虫对新鲜CD和信息素诱饵的结合具有高度的吸引力，而掉落的挥发物和信息素诱饵的组合则没有明显的吸引力。柠檬烯和芳樟醇在实验室二选陷阱生物测定法中的吸引力很低，这表明它们要么没有吸引力，要么仅在狭窄的浓度范围内才具有吸引力。与野外实验中未处理的对照相比，在用信息素诱剂处理的诱集装置中发现了更多的小粉虫成虫和幼虫。结果表明将信息素诱饵与有吸引力的CD化合物结合以增强诱捕效力的潜力。

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