Silva Diego, Salamanca Jordano, Kyryczenko-Roth Vera, Alborn Hans T, Rodriguez-Saona Cesar
P. E. Marucci Center for Blueberry and Cranberry Research and Extension, Rutgers University, Chatsworth, NJ.
Escuela de Ciencias Agrícolas, Pecuarias y de Medio Ambiente, Universidad Nacional Abierta y a Distancia, Bogotá, DC, Colombia.
J Insect Sci. 2018 Mar 1;18(2). doi: 10.1093/jisesa/iey005.
The cranberry weevil, Anthonomus musculus Say (Coleoptera: Curculionidae), is a key (univoltine) pest of highbush blueberries in the northeast United States. To date, however, no trapping system has been developed to successfully monitor this pest. In 2012-2014, studies were conducted in commercial highbush blueberry farms in New Jersey to 1) evaluate the efficacy of various commercially available traps, designed for other weevil species (e.g., pepper weevil, plum curculio, boll weevil, red palm weevil, and black vine weevil), in capturing A. musculus adults; 2) test whether the relative location of traps within the blueberry canopy affects adult captures and 3) determine the effects of different colored (yellow, white, green, red, blue, brown, and black) sticky traps on weevil captures. For a comparison with existing techniques, we also monitored the number of overwintered adult weevils on blueberry bushes using beat sheet sampling. Of all traps and colors tested, the most A. musculus adults were caught on yellow sticky traps and more adults were captured when these traps were placed at the bottom half of the blueberry canopy, i.e., 0.5-1.0 m above ground. Most weevils were caught on colored traps late in the season (i.e., during bloom), which corresponds mostly to the second (summer) adult generation. Thus, number of overwintered adults caught on traps did not correlate with those on bushes. Although our study identified traps that can be used to capture A. musculus adults, these traps alone (i.e., without semiochemicals) have so far limited applicability for monitoring overwintered adult weevils in highbush blueberries.
蔓越橘象甲（Anthonomus musculus Say，鞘翅目：象甲科）是美国东北部高灌蓝莓的一种主要（一年一代）害虫。然而，迄今为止，尚未开发出能成功监测这种害虫的诱捕系统。2012年至2014年期间，在新泽西州的商业高灌蓝莓农场开展了研究，以：1）评估为其他象甲物种（如胡椒象甲、李象、棉铃象甲、红棕象甲和黑葡萄象甲）设计的各种市售诱捕器捕捉蔓越橘象甲成虫的效果；2）测试诱捕器在蓝莓树冠层内的相对位置是否会影响成虫的捕获量；3）确定不同颜色（黄色、白色、绿色、红色、蓝色、棕色和黑色）的粘性诱捕器对象甲捕获量的影响。为了与现有技术进行比较，我们还使用拍打板抽样法监测了蓝莓灌木丛上越冬成虫象甲的数量。在所有测试的诱捕器和颜色中，捕获蔓越橘象甲成虫最多的是黄色粘性诱捕器，当这些诱捕器放置在蓝莓树冠层的下半部分，即离地面0.5 - 1.0米处时，捕获的成虫更多。大多数象甲是在季节后期（即花期）被有色诱捕器捕获的，这主要对应第二代（夏季）成虫。因此，诱捕器上捕获的越冬成虫数量与灌木丛上的数量没有相关性。尽管我们的研究确定了可用于捕获蔓越橘象甲成虫的诱捕器，但到目前为止，仅这些诱捕器（即不使用信息素）在监测高灌蓝莓中越冬成虫象甲方面的适用性有限。
