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      Notes on the hosts of Trissolcus Ashmead (Hymenoptera: Scelionidae) from China

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          Abstract

          Background

          Trissolcus Ashmead ( Hymenoptera : Scelionidae ) is a cosmopolitan genus of egg-parasitoid wasps associated with stink bugs ( Pentatomidae , Scutelleridae , Urostylididae ), many of which are important insect pests. Documentation of host associations for these wasps, which we here provide via museum specimens, can support their use as biological control agents of invasive stink bugs.

          New information

          The hosts of seven Trissolcus species are reported from China: Trissolcus cultratus (Mayr) (hosts: Hippotiscus dorsalis Stål, Pentatomidae ; Urochela luteovaria Distant, Urostylididae ), Trissolcus elasmuchae (Watanabe) (host: Niphe elongata (Dallas), Pentatomidae ), Trissolcus japonicus (Ashmead) (hosts: Erthesina fullo (Thunberg), Pentatomidae ; Rhaphigaster nebulosa (Poda), Pentatomidae ), Trissolcus latisulcus (Crawford) (host: Poecilocoris latus Dallas, Scutelleridae ), Trissolcus mitsukurii (Ashmead) (host: Pentatomidae ), Trissolcus semistriatus (Nees von Esenbeck) (host: Eurydema sp., Scutelleridae ), Trissolcus yamagishii Ryu (host: Niphe elongata (Dallas), Pentatomidae ).

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          Most cited references 20

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          A New Species of Trissolcus (Hymenoptera: Scelionidae) Parasitizing Eggs of Halyomorpha halys (Heteroptera: Pentatomidae) in China with Comments on Its Biology

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            Seasonal parasitism and host specificity of Trissolcus japonicus in northern China

            The brown marmorated stink bug, Halyomorpha halys (Stål), native to China, Japan, and Korea, has emerged as a harmful invasive pest of a variety of crops in North America and Europe. The Asian egg parasitoid Trissolcus japonicus has been identified as the most promising agent for classical biological control of invasive H. halys populations. A 4-year study evaluated the fundamental and ecological host ranges of T. japonicus as well as its phenology and impact on H. halys populations in fruit orchards in its native range in northern China. In laboratory no-choice tests, developmental suitability of eight non-target host species for T. japonicus was demonstrated by the successful production of progeny on the majority (>85%) of non-target host species tested. In field-collected, naturally laid egg masses, T. japonicus was the most abundant parasitoid associated with H. halys and Dolycoris baccarum, but was also sporadically found in Plautia crossota. Furthermore, it was regularly reared from sentinel egg masses of Menida violacea, Arma chinensis, and Carbula eoa. The only species that did not support development in the laboratory and field was Cappaea tibialis. Besides the benefit of having a high impact on H. halys populations in Northern China, the risk assessment conducted in the area of origin indicates that native Pentatomidae in North America and Europe could be negatively impacted by T. japonicus. Whether the benefits of T. japonicus outweigh the possible risks will have to be evaluated based on the outcome of additional host range studies in the two invaded regions. Electronic supplementary material The online version of this article (doi:10.1007/s10340-017-0863-y) contains supplementary material, which is available to authorized users.
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              First discovery of adventive populations of Trissolcus japonicus in Europe

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                Author and article information

                Contributors
                Journal
                Biodivers Data J
                Biodivers Data J
                1
                urn:lsid:arphahub.com:pub:F9B2E808-C883-5F47-B276-6D62129E4FF4
                urn:lsid:zoobank.org:pub:245B00E9-BFE5-4B4F-B76E-15C30BA74C02
                Biodiversity Data Journal
                Pensoft Publishers
                1314-2836
                1314-2828
                2020
                11 June 2020
                : 8
                Affiliations
                [1 ] State Key Laboratory of Biocontrol, School of Life Sciences / School of Ecology, Sun Yat-sen University, Guangzhou, China State Key Laboratory of Biocontrol, School of Life Sciences / School of Ecology, Sun Yat-sen University Guangzhou China
                [2 ] Florida State Collection of Arthropods, Gainesville, FL, United States of America Florida State Collection of Arthropods Gainesville, FL United States of America
                [3 ] Systematic Entomology Laboratory, Washington, DC, United States of America Systematic Entomology Laboratory Washington, DC United States of America
                [4 ] State Key Laboratory of Biocontrol, School of Ecology, Sun Yat-sen University, Guangzhou, China State Key Laboratory of Biocontrol, School of Ecology, Sun Yat-sen University Guangzhou China
                Author notes
                Corresponding author: Elijah J Talamas ( talamas.1@ 123456osu.edu ).

                Academic editor: Jose Fernandez-Triana

                Article
                53786 13906
                10.3897/BDJ.8.e53786
                7303229
                Huayan Chen, Elijah J Talamas, Hong Pang

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Page count
                Figures: 8, Tables: 0, References: 21
                Categories
                Taxonomic Paper
                Scelionidae
                Bioinformatics
                Europe
                China
                Asia

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