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19 January 2017 A New Species of Baryscapus (Hymenoptera: Eulophidae) Parasitizing Pupae and Larvae of Two Dioryctria Species (Lepidoptera: Pyralidae)
Li-Wen Song, Liang-Ming Cao, Xing-Peng Li, Zhong-Qi Yang, Yue-Qu Chen
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Abstract

Baryscapus dioryctriae Yang & Song sp. nov. (Hymenoptera: Eulophidae), a gregarious pupal and larval endo-parasitoid of Dioryctria pryeri Ragonot and Dioryctria abietella Denis & Schiffermüller (Lepidoptera: Pyralidae) is described and illustrated. The hosts are serious pests of the cones, seeds, and twigs of Pinus koraiensis Sieb. & Zucc., a predominant forest tree species in the northeastern China. The parasitoid has potential as a biocontrol agent for the pests, as an average parasitism rate of 19.5% has been observed and 87.7 parasitoid adults (range 41–138) emerge from a single host. Detailed photographs of the key characters of the female and male of the new species are provided. Type specimens were deposited in Insect Museum, Chinese Academy of Forestry, Beijing, and the Insect Collection of Jilin Provincial Academy of Forestry, Changchun, Jilin Province, China, as well as China National Insect Collection at Institute of Zoology, Chinese Academy of Sciences, Beijing.

© The Authors 2017. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com
Li-Wen Song, Liang-Ming Cao, Xing-Peng Li, Zhong-Qi Yang, and Yue-Qu Chen "A New Species of Baryscapus (Hymenoptera: Eulophidae) Parasitizing Pupae and Larvae of Two Dioryctria Species (Lepidoptera: Pyralidae)," Annals of the Entomological Society of America 110(3), 286-293, (19 January 2017). https://doi.org/10.1093/aesa/saw099
Received: 27 August 2016; Accepted: 7 December 2016; Published: 19 January 2017
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KEYWORDS
Baryscapus dioryctriae Yang & Song
Dioryctria abietella
Dioryctria pryeri
new species
parasitoid
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