Introduction: Evidence that volatile organic compounds (VOCs) and non-VOCs stimulate oviposition by aphidophagous predators is scattered throughout the literature. The objectives of this review are to (1) compile records indicating that VOCs and non-VOCs are responsible for oviposition stimulation, (2) calculate an egg production ratio (EPR) for stimulated predators, and (3) determine if EPR is correlated with vapor pressure and molecular weight of active compounds. Methods: The USDA (United States Department of Agriculture), National Agricultural Library, online digital catalog system was used to retrieve abstracts, then the full text of manuscripts on oviposition stimulants for predators. Oviposition-stimulating VOCs and non-VOCS were tabulated with molecular weights and vapor pressure estimates. EPRs were calculated for stimulated coccinellids, syrphids, and chrysopids. Results: Both VOCs and non-VOCs stimulated oviposition behavior by coccinellids and syrphids, but not chrysopids. EPR was greatest for syrphids. Two VOCs, (E)-β-farnesene and 3-methyl-2-butenal, stimulated very high EPR values by the syrphid Episyrphus balteatus. Regardless of predator taxa, EPR was negatively and positively correlated with molecular weight and vapor pressure, respectively. Conclusions: Syrphids (rather than coccinellids or chrysopids) produce more eggs in response to VOCs. Organic compounds with low-to-moderate molecular weights and moderate-to-high vapor pressures might be most effective oviposition stimulants for aphidophagous predators.

中文翻译：

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挥发性和非挥发性有机化合物刺激蚜虫捕食者产卵


简介：文献中散布着有关挥发性有机化合物 (VOC) 和非 VOC 刺激蚜虫捕食者产卵的证据。本次审查的目的是 (1) 编制记录，表明 VOC 和非 VOC 负责产卵刺激，(2) 计算受刺激捕食者的产蛋率 (EPR)，以及 (3) 确定 EPR 是否与产卵刺激相关。活性化合物的蒸气压和分子量。方法：利用美国农业部、国家农业图书馆在线数字目录系统检索摘要，然后检索有关捕食者产卵兴奋剂的手稿全文。将刺激产卵的 VOC 和非 VOC 与分子量和蒸气压估计值制成表格。计算了受刺激的瓢虫、蚜虫和蛆虫的 EPR。结果：挥发性有机化合物和非挥发性有机化合物都会刺激瓢虫和蚜虫的产卵行为，但不会刺激蛹虫类。 EPR 对食蚜蝇效果最好。两种 VOC（E）-β-法呢烯和 3-甲基-2-丁烯醛，对食蚜蝇Episyrphus balteatus产生了非常高的 EPR 值。无论捕食者类群如何，EPR 分别与分子量和蒸气压呈负相关和正相关。结论：蚜虫（而不是瓢虫或蝇蛆）对挥发性有机化合物产生更多的卵。具有低至中等分子量和中至高蒸气压的有机化合物可能是蚜虫捕食者最有效的产卵刺激剂。