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Key to Nordic Tryphoninae
Tryphoninae
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Ichneumonoidea
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Tryphoninae
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Taxa:
Eggs
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Ovipositor carrying several eggs.
Ovipositor carrying one or no eggs.
Body colour
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Body extensively testaceus. Occeli usually large.
Body not testaceus. Occeli usually small.
Eye
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Inner eye margin notched at level of antenne.
inner eye margin not notched.
Areolet
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Areolet present.
Areolet absent.
Flagellum
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Flagellum with a white band centrally.
Flagellum without white band.
Spurs
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Hind tibia without spurs, mid tibia with one spur (some species with a small spur-like tooth on the hind tibia)
Hind tibia with one spur, mid tibia with two spurs.
All tibiae with two spurs.
Notaulus
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Notaulus long and distinct, usually reaching or surpassing the middle of the mesoscutum.
Notaulus weak or absent, usually not reaching the middle of the mesoscutum.
Clypeal margin
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Clypeal margin without a distinct fringe of hairs.
Clypeal margin with a distinct fringe of long parallel hairs.
Clypeus
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Median 0.3 of clypeus strongly projecting ventrally, truncate with distinctly angled corners.
Clypeus at least as long as wide, with the clypeal sulcus extending far above the level of the anterior tentorial pits.
Clypeus with a pair of strong, apical median denticles.
Clypeus produced into a median point.
Clypeus unmodified.
Propodeum
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Propodeum without carinae or only with sections of the posterior transverse carina and with transverse striation.
Propodeum with more complete carination and never with transverse striation.
Mouthparts
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Clypeus very short and wide. Mandibles almost exodont. Head, viewed from the front, transverse.
Clypeus not abnormally short and wide. Mandibles clearly not exodont. Head, viewed from the front, not transverse.
2m-cu
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Fore wing vein 2m-cu with a strong to weak zig-zag in area of bullae.
Fore wing vein 2m-cu without zig-zag in area of bullae, at most weakly curved.
Wings
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Forewings partially and distinctly darkened, at least at the apex.
Forewings not darkened.
Hind tibia
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Hind tibia with a flat, polished area on the apical surface between the tarsal socket and the fringe of setae on the median edge. Fringe of setae on median surface of hind tibia especially long, dense and of equal length
Hind tibia without a flat, polished area on the apical surface between tarsal socket and fringe of setae on median edge. Fringe of setae on median surface of hind tibia shorter, sparser, and of uneven length.
Ovipositor length
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Ovipositor longer than apical height of abdomen.
Ovipositor shorter than apical height of abdomen.
Subtegular ridge
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Subtegular ridge forming a lamella that projects towards lower edge of tegula.
Subtegular ridge with a longitudinal slot in its posterior half.
Subtegular ridge not modified, neither with a slot in its hind part nor in the form of a lamella.
Mandibular teeth
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Lower tooth of mandible larger than the upper tooth.
Lower tooth of mandible not larger than the upper tooth.
Mandible
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Mandible twisted outwards so that the upper tooth is forward of smaller the lower tooth.
Mandibles not twisted outwards. Outer face strongly convex basally in cross-section, glabrous, with small, sparse punctures
Mandibles not twisted outwards. Outer face weakly convex, flat or concave basally, usually coarsely punctate.
Scutellum
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Scutellum with a median depression at the apex that extends anteriorly to at least the middle of the scutellum.
Scutellum convex at apex and without median depression.
Tergite 1
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Tergite 1 with strong anterolateral angulate projections.
Tergite 1 without or with very weak anterolateral angulate projections.
Tergite 2
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Tergite 2 with a raised triangular median region bordered by grooves.
Tergite 2 rugosopunctate or coarsely punctate.
Tergite 2, at least in part, longitudinaly striate.
Tergite 2 smooth or with relatively fine punctures, not striate.
Occipital carina
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Occipital carina joining hypostomal carina at a distance from mandible that is at most 0.1 times basal width of mandible.
Occipital joining hypostomal carina at a distance from mandible that is 0.2 to 1.7 times basal width of mandible
Occipital carina bifurcate, the lateral branch joining mandible, the median branch forming a broad, lobe-like tooth on the gena.
Occipital carina absent at least centrally.
Areolet shape
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Areolet broadly sessile.
Areolet subpetiolate or petiolate.
Ovipositor shape
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Ovipositor straight in basal 0.7 to 0.8, strongly upcurved apically.
Ovipositor sinuous.
Ovipositor downcurved.
Ovipositor straight or evenly upcurved.
Malar space / antennal carina
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Malar space greater than 0.4 times basal width of mandible AND antennal carina not greatly heightened.
Malar space less than 0.3 times basal width of mandible OR antennal carina greatly heightened.
Tarsal claws
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Tarsal claws pectinate to the apex or nearly so.
Tarsal claws simple or pectinate in the basal 0.6, rarely in the basal 0.8.
Remaining taxa:
Acrotomus
Cladeutes
Cosmoconus
Cteniscus
Ctenochira (most)
Ctenochira grossa
Cycasis
Dyspetes
Eclytus
Eridolius
Erromenus
Excavarus
Exenterus
Exyston
Grypocentrus
Hercus
Idiogramma
Kristotomus
Monoblastus
Neleges
Neliopisthus
Netelia
Oedemopsis
Orthomiscus
Otoblastus
Phytodietus
Polyblastus (most)
Polyblastus (Labroctonus)
Smicroplectrus
Sphinctus serotinus
Thymaris
Tryphon
Discarded taxa:
Info
This key includes all Nordic genera of Tryphoninae, only taking into account the subgenera that occur in the region. It is under development and may contain errors.
References
Townes, H.K. (1969). The genera of Ichneumonidae, Part 1. Memoirs of the American Entomological Institute 11: 1–300.
Fitton, M.G. & Ficken, L. (1990). British Ichneumon-flies of the tribe Oedemopsini (Hymenoptera: Ichneumonidae). Entomologist 109: 200–214.
Bennett, Andrew Michael Reeve (2015). Revision of the world genera of Tryphoninae (Hymenoptera: Ichneumonidae). Memoirs of the American Entomological Institute. Volume 86. 387 pp.
Kasparyan, D.R. (1990). Fauna of USSR. Insecta Hymenoptera. Vol.III(2). Ichneumonidae. Subfamily Tryphoninae: Tribe Exenterini. Subfamily Adelognathinae. Nauka, Leningrad, 342 pp.
Key to Nordic Tryphoninae
Tryphoninae
