| Issue |
Parasite
Volume 23, 2016
|
|
|---|---|---|
| Article Number | 58 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/parasite/2016071 | |
| Published online | 21 December 2016 | |
Research Article
Parasitoids of the eucalyptus gall wasp Leptocybe invasa (Hymenoptera: Eulophidae) in China
Parasitoïdes de l’agent de la galle de l’eucalyptus Leptocybe invasa (Hymenoptera, Eulophidae) en Chine
1
College of Agriculture, Guangxi University, Nanning
530004, Guangxi Zhuang Autonomous Region, PR China
2
College of Forestry, Guangxi University, Nanning
530004, Guangxi Zhuang Autonomous Region, PR China
3
Department of Guangxi Forestry Pest Management, Nanning
530028, Guangxi Zhuang Autonomous Region, PR China
* Corresponding author: luwenlwen@163.com
Received:
18
August
2016
Accepted:
9
December
2016
Leptocybe invasa Fisher & La Salle (Hymenoptera, Eulophidae) is an invasive pest in Eucalyptus plantations throughout the world. Potential biological control agents for L. invasa were investigated in the Fujian, Guangdong, Hainan, Guangxi, Jiangxi, and Sichuan provinces of China, where Eucalyptus spp. have been severely damaged by the eucalyptus gall wasp. Three hymenopteran parasitoids of L. invasa were identified: Quadrastichus mendeli Kim & La Salle (Eulophidae), Aprostocetus causalis La Salle & Wu (Eulophidae), and Megastigmus viggianii Narendran & Sureshan (Torymidae); M. viggianii is newly recorded in China. The percentages of parasitization by Q. mendeli, A. causalis, and M. viggianii were 2.96%–19.53%, 2.30%–26.38%, and 24.93%, respectively. The longevity and body length of females were significantly greater than for males in A. causalis and M. viggianii. No males of Q. mendeli were found in China. These parasitoids could be used as biological agents for L. invasa in China.
Résumé
Leptocybe invasa Fisher & La Salle (Hymenoptera, Eulophidae) est un ravageur envahissant dans les plantations d’eucalyptus dans le monde. Les agents potentiels de lutte biologique contre L. invasa ont été étudiés en Chine dans les provinces de Fujian, Guangdong, Hainan, Guangxi, Jiangxi et Sichuan, où les Eucalyptus spp. ont été gravement endommagés par la galle de l’eucalyptus. Trois hyménoptères parasitoïdes de L. invasa ont été identifiés : Quadrastichus mendeli Kim & La Salle (Eulophidae), Aprostocetus causalis La Salle et Wu (Eulophidae) et Megastigmus viggianii Narendran & Sureshan (Torymidae) ; M. viggianii est une nouvelle mention pour la Chine. Le pourcentage de parasitisme par Q. mendeli, A. causalis et M. viggianii étaient 2.96 %–19.53 %, 2.30 %–26.38 % et 24.93 %, respectivement. La longévité et la longueur du corps étaient significativement plus élevées chez les femelles que chez les mâles pour A. causalis et M. viggianii. Aucun mâle de Q. mendeli n’a été trouvé en Chine. Ces parasitoïdes pourraient être utilisés comme agents biologiques contre L. invasa en Chine.
Key words: Forestry pest / Gall-inducing insect / Biological control / Parasitoids
© X.-L. Zheng et al., published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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