review of the European species of the genus Trechnites Thomson (Hymenoptera: Chalcidoidea: Encyrtidae), parasitoids of plant lice (Hemiptera: Psylloidea) with description of a new species

The genus Trechnites Thomson (Hymenoptera: Encyrtidae) includes species that have the potential to be used as biocontrol agents of psyllid pests. The five species known from Europe are reviewed, including the newly described T. sadkaisp.n. A dichotomous key is provided to facilitate the identificati...

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Bibliographic Details
Published in:Systematic entomology 2009-04, Vol.34 (2), p.252-259
Main Authors: GUERRIERI, EMILIO, NOYES, JOHN S
Format: Article
Language:English
Subjects:
Aphidoidea
biological control agents
Chalcidoidea
Encyrtidae
females
Hemiptera
hosts
Hymenoptera
new species
parasitoids
Psylloidea
redescriptions
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Summary:The genus Trechnites Thomson (Hymenoptera: Encyrtidae) includes species that have the potential to be used as biocontrol agents of psyllid pests. The five species known from Europe are reviewed, including the newly described T. sadkaisp.n. A dichotomous key is provided to facilitate the identification of females; T. psyllae (Ruschka) syn. n. is proposed as a new synonym of T. insidiosus (Crawford). Each species is further characterized by a diagnosis or a redescription, and figures and notes are provided on their known distribution and hosts.
ISSN:0307-6970
1365-3113
DOI:10.1111/j.1365-3113.2009.00473.x