Abstract Since the initial detection of the invasive Halyomorpha halys (Stål) in the United States in the late 1990s, this insect has emerged as a severe agricultural and nuisance pest. Nuisance problems are due to adult dispersal to overwintering sites in the fall at which time they alight onto and eventually settle within human-made structures in addition to natural harborage. This study examined how three factors, elevation, light, and moisture affected overwintering site selection by H. halys in the mid-Atlantic. Observational counts performed along elevational transects revealed elevation was significant predictor of H. halys abundance during both years of the study in 2014 and 2015 with more adults observed at higher elevations. Choice tests examining effects of moisture and light on settling behavior demonstrated H. halys settled within overwintering shelter boxes in significantly greater numbers when shelters were dry compared with those having moist conditions, and in darkened shelters compared with those augmented with LED lights. Our findings indicate that H. halys use cues at both landscape and very localized levels when seeking and selecting overwintering sites.

中文翻译：

---

景观因素和非生物条件对 Halyomorpha halys（半翅目：五足目）散布行为和越冬地点选择的影响

摘要 自从 1990 年代后期在美国首次发现入侵的 Halyomorpha halys (Stål) 以来，这种昆虫已成为一种严重的农业和滋扰害虫。滋扰问题是由于成虫在秋季散布到越冬地点，此时它们降落并最终定居在人造结构中，以及自然栖息地。本研究考察了海拔、光照和湿度这三个因素如何影响大西洋中部的 H. halys 选择越冬地点。在 2014 年和 2015 年的研究期间，沿海拔横断面进行的观察计数显示海拔高度是 H. halys 丰度的重要预测因子，在较高海拔处观察到更多成年人。选择测试检查水分和光对沉降行为的影响，证明 H. 与潮湿条件相比，干燥的庇护所中越冬的庇护所栖息的数量明显更多，而与使用 LED 灯的庇护所相比，在黑暗的庇护所中栖息的数量要多得多。我们的研究结果表明，H. halys 在寻找和选择越冬地点时，会在景观和非常局部的水平上使用线索。