Lightle D M, Quito-Avila D, Martin R R, Lee J C
Entomology Program, Oregon State University, 4017 Ag and Life Sciences Bldg., Corvallis, OR 97331, USA.
Environ Entomol. 2014 Apr;43(2):467-73. doi: 10.1603/EN13213.
Amphorophora agathonica (Hottes) is the primary vector of aphid-transmitted viruses in red raspberry in the Pacific Northwest region of the United States. To better understand the biology of the aphid, we estimated the lower developmental threshold and studied the seasonal activity of A. agathonica in commercial fields in northern Washington state. In addition, we monitored the spread of raspberry viruses (raspberry latent virus and raspberry leaf mottle virus, RLMV) to determine how rapidly fields became infected and whether there was a relationship between aphid presence and infection. The lower developmental threshold of A. agathonica was estimated to be 2.7°C. In the field, apterous and alate aphid populations began rapidly increasing at ≍800 growing degree-days and peaked at 1,050 growing degree-days. RLMV spread rapidly, with 30-60% of plants in four different commercial fields testing positive after three growing seasons. There was no discernible relationship between the presence or abundance of aphids based on 10 leaves sampled per plant location, and the odds of that plant becoming infected with RLMV.
阿氏长管蚜（Amphorophora agathonica (Hottes)）是美国太平洋西北地区红树莓上蚜虫传播病毒的主要传播媒介。为了更好地了解这种蚜虫的生物学特性，我们估算了其发育下限温度，并研究了华盛顿州北部商业种植园中阿氏长管蚜的季节性活动。此外，我们监测了树莓病毒（树莓潜隐病毒和树莓叶斑驳病毒，RLMV）的传播情况，以确定田地被感染的速度以及蚜虫的存在与感染之间是否存在关联。阿氏长管蚜的发育下限温度估计为2.7°C。在田间，无翅蚜和有翅蚜种群在约800生长度日时开始迅速增加，并在1050生长度日时达到峰值。RLMV传播迅速，在三个生长季节后，四个不同商业种植园中有30%-60%的植株检测呈阳性。根据每个植株位置采集的10片叶子上蚜虫的存在或数量，与该植株感染RLMV的几率之间没有明显的关系。
