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Host plants and pollination regions for the long-distance migratory noctuid moth, Hadula trifolii Hufnagel in China

文献类型： 外文期刊

作者： He, Limei 1 ; Liu, Yongqiang 2 ; Guo, Jianglong 3 ; Chang, Hong 4 ; Wu, Kongming 2 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Urban Agr, Chengdu, Peoples R China

2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

3.Hebei Acad Agr & Forestry Sci, IPM Ctr Hebei Prov, Plant Protect Inst,Minist Agr & Rural Affairs, Key Lab Integrated Pest Management Crops Northern, Baoding, Peoples R China

4.Guangdong Acad Agr Sci, Plant Protect Res Inst, Guangdong Prov Key Lab High Technol Plant Protect, Guangzhou, Peoples R China

关键词： Hadula trifolii; insect migration; pollen identification; pollinator

期刊名称：ECOLOGY AND EVOLUTION （ 影响因子：3.167； 五年影响因子：3.445 ）

ISSN： 2045-7758

年卷期： 2022 年 12 卷 4 期

页码：

收录情况： SCI

摘要： Nocturnal moths are important pollinators of plants. The clover cutworm, Hadula trifolii, is a long-distance migratory nocturnal moth. Although the larvae of H. trifolii are polyphagous pests of many cultivated crops in Asia and Europe, the plant species pollinated by the adult are unclear. Pollen species that were attached to individual migrating moths of H. trifolii were identified based on pollen morphology and DNA to determine their host plants, geographic origin, and pollination areas. The moths were collected on their seasonal migration pathway at a small island, namely Beihuang, in the center of the Bohai Sea of China during 2014 to 2018. Pollen was detected on 28.60% of the female moths and 29.02% of the male, mainly on the proboscis, rarely on compound eyes and antennae. At least 92 species of pollen from 42 plant families, mainly from Asteraceae, Amaranthaceae, and Pinaceae, distributed throughout China were found on the test moths. Migratory H. trifolii moths visited herbaceous plants more than woody plants. Pollen of Macadamina integrifolia or M. tetraphylla was found on moths early in the migratory season. These two species are distributed in Guangdong, Yunnan, and Taiwan provinces in China, indicating that migratory moths probably traveled about 2000 km from southern China to the Beihuang Island in northern China. Here, by identifying plant species using pollen, we gained a better understanding of the interactions between H. trifolii moths and a wide range of host plants in China. This work provides valuable and unique information on the geographical origin and pollination regions for H. trifolii moths.

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