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Open AccessArticle

Occurrence and Distribution of Apolygus lucorum on Weed Hosts and Tea Plants in Tea Plantation Ecosystems

1
College of Horticulture Science and Engineering, Shandong Agricultural University, Tai’an 271018, China
2
Lanshan Tea Administration, Rizhao 276808, China
3
Tea Research Institute, Chinese Academy of Agricultural Science, Hangzhou 310008, China
*
Authors to whom correspondence should be addressed.
Insects 2019, 10(6), 167; https://doi.org/10.3390/insects10060167
Received: 15 April 2019 / Revised: 6 June 2019 / Accepted: 7 June 2019 / Published: 11 June 2019
The mirid bugs are one of the most important piercing–sucking insect pests in tea plantations, which severely reduce the quality and economic benefits of tea. In this study, the mirid bug species in the three tea-producing areas in Shandong Province of China were investigated. The distribution and occurrence of dominant species of mirid bugs on four weed host plants and tea plants Camellia sinensis (L.) O. Kuntze (Theaceae) were also studied in the tea agro-ecosystems. The results showed that Apolygus lucorum (Meyer-Dür) (Hemiptera: Miridae) was the dominant mirid bug species in the tea growing areas. Apolygus lucorum densities on Humulus scandens (Lour.) (Moraceae) and Artemisia lavandulaefolia DC. (Asteraceae) were relatively higher than those on Conyza canadensis (Linn) Cronq (Asteraceae), Artemisia annua Linn (Asteraceae), and C. sinensis. Host plant switching of A. lucorum in the tea agro-ecosystem was: A. lucorum scattered on and seriously infested tea plants in June and July; A. lucorum largely migrated to and gathered on H. scandens, A. lavandulaefolia, C. canadensis, and A. annua at the flowering stage, and population densities of A. lucorum on these flowering hosts peaked in late September; in October, A. lucorum gradually moved back to flowering tea plants. These results could provide a reference for selecting host plants, such as Artemisia plants, as trap plants for sustainable control of mirid bugs in tea plantations. View Full-Text
Keywords: Apolygus lucorum; tea plants; weed hosts; population change Apolygus lucorum; tea plants; weed hosts; population change
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Tian, Y.; Wang, H.; Hou, J.; Zhang, L.; Zhang, Z.; Cai, X. Occurrence and Distribution of Apolygus lucorum on Weed Hosts and Tea Plants in Tea Plantation Ecosystems. Insects 2019, 10, 167.

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