Walking patterns of Trichogramma chilonis and Trichogrammatoidea bactrae upon vegetable leaf surfaces
文献类型： 外文期刊
作者： Wang, Desen 1 ; He, Xiaofang 1 ; Zhao, Chengyin 2 ; He, Yurong 1 ; Lu, Lihua 3 ; Luo, Yongli 1 ; Qiu, Hualong 1 ;
作者机构： 1.South China Agr Univ, Key Lab Biopesticide Innovat & Applicat Guangdong, Engn Res Ctr Biol Control, Minist Educ,Dept Entomol,Coll Agr, Guangzhou 510642, Guangdong, Peoples R China
2.Luoyang Normal Univ, Dept Life Sci, Luoyang, Peoples R China
3.Guangdong Acad Agr Sci, Plant Protect Res Inst, Guangzhou, Peoples R China
4.Guangdong Acad Forestry, Guangdong Prov Key Lab Silviculture Protect & Uti, Guangzhou, Peoples R China
关键词： leaf surface; Plutella xylostella; searching behavior; Trichogramma chilonis; Trichogrammatoidea bactrae
期刊名称：ENTOMOLOGICAL RESEARCH （ 影响因子：1.306； 五年影响因子：1.242 ）
ISSN： 1738-2297
年卷期： 2020 年 50 卷 1 期
页码：
收录情况： SCI
摘要： Trichogramma chilonis Ishii (Hymenoptera: Trichogrammatidae) and Trichogrammatoidea bactrae Nagaraja (Hymenoptera: Trichogrammatidae) are egg parasitoids of the diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae). We observed and recorded the walking patterns of T. chilonis and T. bactrae females on leaves of Raphanus sativus L., Brassica juncea (L.) Czern. et Coss., Brassica campestris L. ssp. chinensis var. utilis Tsen et Lee, and Brassica oleracea L. Our analysis indicated that Trichogramma females spent more time and moved more slowly on R. sativus leaf surface, compared with the other vegetable leaf surfaces. In addition, Trichogramma females were more likely to walk in straight line on B. oleracea leaf surfaces than R. sativus, B. juncea, and B. campestris leaf surface. Compared to T. bactrae females, T. chilonis females spent significantly less time on the leaf surface, and the walking path of T. chilonis was less affected by leaf surface characters (e.g., trichomes, wrinkle, and waxes). During the period of residence on the leaf surface, parasitoid females spent more than 87.8% of their time moving. This study demonstrates that vegetable leaf surface can influence Trichogramma's walking pattern while they are foraging for hosts.
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