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- Dermacentor occidentalis [医] 西方革蜱
- Effct of Different Base Materials on the Cuttage Rooting Rate of Thuja occidentalis L. 不同基质对美国侧柏扦插生根的影响。
- Dermacentor species predominate as a cause in North America, while Ixodes mainly causes the disease in Australia. 在北美，该疾病主要由革蜱属的蜱引起，而在澳大利亚则主要由硬蜱属的蜱引起。
- Preliminary Selection of Superior Families and Plus Tree on Platanus occidentalis L. 一球悬铃木优良家系及优良单株的选择。
- It is caused by Rickettsia rickettsii and spread by ticks of the genus Dermacentor. 该病由立克次氏体引起，由革蜱属的蜱类传播。
- Western flower thrips(WFT)(Frankliniella occidentalis) is a very dangerous pest around the world. 西花蓟马是一种世界性害虫,我国大陆2003年首次在北京发现报道。
- Western flower thrips (WFT) (Frankliniella occidentalis) is a very dangerous pest around the world. 摘要西花蓟马是一种世界性害虫，我国大陆2003年首次在北京发现报道。
- A deciduous North American shrub(Cephalanthus occidentalis) having opposite leaves and spherical clusters of small white flowers. 风箱树：生于北美的一种落叶灌木（风箱树风箱属），有对生叶和由小白花构成的球状花簇
- Results Haemacentor japonica was the dominant tick in Kongtong mountain.The tick index of Dermacentor silvarum was highest in shrub and mixed forest of conifer and broadleaf tree. 结果共采获10种蜱,日本血蜱为崆峒山的优势蜱种,针阔混交林灌丛中,森林革蜱的指数最高;
- Frankliniella occidentalis (Pergande) and Liriomyza trifolii Burgess are thedevastating phytosanitary pests to a variety of hosts and widely distributed. 西花蓟马Frankliniella occidentalis (Pergande)和三叶草斑潜蝇Liriomyzatrifolii Burgess寄主种类多,分布范围广,都是重要的危险性有害生物。
- Louis the German received Francia Orientalis, the land east of the Rhine River, and Charles II the Bald received Francia Occidentalis, the remainder of modern France. 日耳曼人路易获得东法兰西亚，即莱茵河以东的地区。查理获得西法兰西亚，即今法国的剩馀部分。
- Rubus occidentalis L. [医] 黑帽莓
- Cephalanthus occidentalis L. [医] 风箱树
- Platanus occidentalis L. 一球悬铃木
- The whitefly Bemisia tabaci (Gennadius), the western flower thrip Frankliniella occidentalis Pergande and the green peach aphid Myzud persicas (Sulzer) were the dominant species in the community. 烟粉虱、蓟马和蚜虫是草莓苗圃节肢动物群落的优势种群。
- The classification by Townes and Chiu (1970, Mem. Amer. Ent. Inst. no. 14) is followed. Keys to species and subspecies of the species groups of Terebatrix, Nana, Occidentalis , Trunca and Rhopaloceros are provided. maculicoxis Townes and Chiu的雌性是首次记载;Terebatrix;Nana;Occidentalis;Trunca和Rhopaloceros各种团备有分种和亚种检索表;分类系统按照Townes and Chiu 1970;Mem;Amer;Ent.;Inst
- The effects of pollen and plant growth stages on the populations of western flower thrips,Frankliniella occidentalis,were studied on two cultivars Impulse Orange and Cajun Carmine of impatiens. 在凤仙花的Impulse Orange和Cajun Carmine品种上开展了花粉和植物不同生长阶段对西花蓟马种群的影响。
- Full blood female Dermacentor silvarum 饱血雌蜱
- Female cone development in Thuja occidentalis 北美香柏雌球果的发育
- Ceiba Honduras cottonwood Ceiba occidentalis 洪都拉斯吉贝木
