Therion circumflexum

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Therion circumflexum (Linnaeus, 1758)

Description

Biology

A solitary parasitoid. Known to emerge from host pupa.

There are 33 recorded hosts.

Biology compiled from Taxapad^[1].

Distribution

Known from the Palaearctic, Nearctic and Oriental regions, with records from 107 countries and regions. Records from GBIF and the Bugweb collection are shown on the map.

Country records from Taxapad^[1], Dyntaxa^[2], FinBIF^[3] and Artsnavnebasen^[4].

Distribution map

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GBIF records GBIF ↗GBIF occurrence records are shown as reported and may include misidentifications.

Accepted name

Therion circumflexum (Linnaeus, 1758)

Original name

Ichneumon circumflexus^[5]

Taxonomic level

species

Combination history

Anomalon
Exochilum
Ophion
Therion

Synonyms

Therion callosum^[6]
Therion curticorne^[7]
Therion japonicum^[8]
Therion laricis^[9]
Therion nigroscutellatum^[10]
Therion nigrum^[11]
Therion nipponicum^[12]
Therion occidentale^[13]
Therion ramidulum^[14]
Therion rubropictum^[15]
Therion unicolor^[16]

Type

Linnaean Society, Picadilly, United Kingdom (female)

Type of

Exochilum^[17]
Therion^[18]

Sources (18)

[1]Yu, D.S.K., van Achterberg, C. & Horstmann, K. (2016). Taxapad 2016, Ichneumonoidea 2015. Database on flash-drive. Nepean, Ontario, Canada. ↑ a b c
[2]SLU Artdatabanken (2026). Dyntaxa. Svensk taxonomisk databas. Darwin Core Archive, downloaded 5 October 2026. Uppsala, Sweden. https://artfakta.se ↑
[3]Finnish Biodiversity Information Facility (2026). The FinBIF checklist of Finnish species, version 1.36. Darwin Core Archive, downloaded 5 October 2026. Helsinki, Finland. https://laji.fi ↑
[4]Artsdatabanken (2026). Nortaxa (Artsnavnebasen), version 1.292. Darwin Core Archive, downloaded 5 October 2026. Trondheim, Norway. https://artsdatabanken.no ↑
[5]Linnaeus, C. von (1758). Systema naturae per regna tria naturae, secundum classes, ordines, genera, species cum characteribus, differentiis, synonymis locis. Tomus I. Editio decima, reformata. Laurnetii Salvii, Holmiae. 824 pp. (A photographic facsimile by British Museum (Natural History), London. 1956.) cited from Taxapad ↑
[6]Shestakov, A. (1923). Ad cognitum specierum tribus Anomalonini (Hym., Ichneumonidae). Ezhegodnik Zoologicheskago Muzeya 24: 44–51. cited from Taxapad ↑
[7]Bauer, R. (1967). Zwei neue Arten der Gattung Therion Curtis (Hymenoptera, Ichneumonidae). Nachrichtenblatt der Bayerischen Entomologen 16: 95–98. cited from Taxapad ↑
[8]Cameron, P. (1906). Descriptions of two new species of Ichneumonidae from Japan. Entomologist 39: 98–99. cited from Taxapad ↑
[9]Matsumura, S. (1926). On the three species of Dendrolimus (Lepidoptera) which attack spruce- and fir-trees in Japan, with their parasites and predaceous insects. Ezhegodnik Zoologicheskago Muzeya. [Annales du Musée Zoologique. Leningrad.] 26(1925):27-50. cited from Taxapad ↑
[10]Hellén, W. (1926). Beiträge zur Kenntnis der Ichneumoniden Finlands II. Subfam. Ophioninae und Anomaloninae. Acta Societatis pro Fauna et Flora Fennica 56(6): 1–27. cited from Taxapad ↑
[11]Provancher, L. (1879). Faune canadienne. Les insectes - Hyménoptères. Naturaliste Canadien 11(127): 141–150. cited from Taxapad ↑
[12]Uchida, T. (1928). Zweiter Beitrag zur Ichneumoniden-Fauna Japans. Journal of the Faculty of Agriculture, Hokkaido University 21: 177–297. cited from Taxapad ↑
[13]Cresson, E.T. (1879). Description of Ichneumonidae, chiefly from the Pacific slope of the United States and British North America. Proceedings of the Academy of Natural Sciences of Philadelphia 30(1878): 348–381. cited from Taxapad ↑
[14]Christ, J.L. (1791). Naturgeschichte, Klassification und Nomenklatur der Insekten von Bienen, Wespen und Ameisengeschlect. Frankfurt am Main 535 pp. cited from Taxapad ↑
[15]Ulbricht, A. (1926). Niederrheinische Ichneumoniden. 4. Nachtrag. Mitteilungen Naturw. Mus. Crefeld 1926: 1–30. cited from Taxapad ↑
[16]Ratzeburg, J.T.C. (1844). Die Ichneumonen der Forstinsecten in forstlicher und entomologischer Beziehung. Berlin 224 pp. cited from Taxapad ↑
[17]Wesmael, C. (1849). Revue des Anomalons de Belgique. Bulletin de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique 16(2): 115–139. cited from Taxapad ↑
[18]Curtis, J. (1839). British Entomology; being illustrations and descriptions of the genera of insects found in Great Britain and Ireland. 16: 736. cited from Taxapad ↑

Host and distribution record sources (224)

Links:GBIFoccurrences Catalogue of Lifeaccepted name BOLDbarcodes ArtfaktaSweden Laji.fiFinland ArtsdatabankenNorway BHLliterature

Some of this text has been automatically generated based on data from Taxapad^[1] and may contain errors or incomplete information.

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