Characterizing location of spotted lanternfly egg masses in wooded habitat during early invasion stages

被引:0
|
作者
Madalinska, Katarzyna [1 ]
Mcdougall, Robert [1 ]
Nielsen, Anne L. [1 ]
机构
[1] Rutgers State Univ, Dept Entomol, Bridgeton, NJ 08302 USA
来源
FRONTIERS IN INSECT SCIENCE | 2022年 / 2卷
关键词
Lycorma delicatula; survey; biosurveillance; invasive species; egg masses; vineyards; early detection; GYPSY-MOTH LEPIDOPTERA; LYCORMA-DELICATULA; HEMIPTERA FULGORIDAE; LYMANTRIIDAE; SPREAD;
D O I
10.3389/finsc.2022.964736
中图分类号
Q96 [昆虫学];
学科分类号
摘要
The spotted lanternfly, Lycorma delicatula (Hemiptera: Fulgoridae), is an invasive planthopper from Asia that is estimated to have spread 17 km/yr since it's initial detection in Pennsylvania in 2014. Lycorma delicatula is a pest to the agricultural and forestry industries in the Mid-Atlantic region of the United States, in part due to its highly polyphagous nature. Current detection relies on visual observations, unbaited traps, or eDNA surveillance in its primary hosts, including grape and hardwoods. These approaches narrow the surveillance area by concentrating on known host plants but could be further refined to narrow the search parameters from the 100+ known host plants. Because L. delicatula appears to have a strong population buildup in wooded areas, we evaluated the relationship between egg mass presence and habitat characteristics in wooded habitats adjacent to vineyards in New Jersey at six farms within the first two years of L. delicatula detection. Habitat characteristics included distance from wood edge, and presence of a critical host plant Ailanthus altissima, and presence of Vitis spp. within 4.5 m. We identified a significant relationship between egg mass presence and Vitis spp. with an 88% probability of finding an egg mass close to a wild grapevine, dropping to 9% where grapes were absent. During the early invasion stages when this research was conducted, a two-year delay from initial detection in wooded habitats to nymphal presence in the vineyard was observed.
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页数:9
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