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Key to Nordic Scelionidae
Scelionidae
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Platygastroidea
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Scelionidae
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Steps
Taxa:
Longest tergite
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Tergite 1 much longer than the following tergites (body stout, wings absent).
Tergite 2 distinctly longest tergite.
Tergite 1 and 2 at most as long as 3rd tergite.
Female antennae
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Female antennae with 7 segments, the clava completely fused and therefore counted as one segment.
Female antennae with 8 segments, the clava completely fused and therefore counted as one segment.
Female antennae with 11 segments, clava not completely fused.
Female antennae with 12 segments, clava not completely fused.
Male antennae
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Male antennae with 10 segments.
Male antennae with 12 segments.
Submarginal groove
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Laterotergites very narrow, tightly appressed to sternites, and submarginal groove present.
Laterotergites wide, loosely touching sternites, with submarginal groove absent.
Tergite 1
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Female with a distinct cornutus on tergite 1.
Female without cornutus on tergite 1.
Metasoma
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Metasoma more than 4 times longer than wide. Tergite 6 in females laterally compressed.
Metasoma less than 4 times longer than wide.
Notauli
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Notauli present.
Notauli absent.
Marginal vein
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Marginal vein less than 3 times longer than the stigmal vein. Postmarginal vein often present.
Marginal vein more than 3 times longer than the stigmal vein. Postmarginal vein absent.
Frons
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Frons predominantly sculptured.
Frons predominantly smooth.
Mandible
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Mandibles with 2 teeth.
Mandibles with 3 teeth.
Middle tibia
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Middle tibia dorsally with dense spines.
Middle tibia without spines.
Basal vein
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Fore wing with a distinct trace of basal vein.
Fore wing without trace of basal vein.
Wings
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Wings reduced or absent.
Wings fully developed.
Sculpture
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Head and metasoma mostly smooth and sculptureless.
Head and most of metasoma sculptured.
Hind wings
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Submarginal vein incomplete.
Submarginal vein complete.
Cheeks
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Cheeks with fan of striae.
Cheeks without fan of striae.
Skaphion
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Skaphion well developed, margined by a rim posteriorly.
Skaphion not developed, not margined by a rim posteriorly.
Remaining taxa:
Anteris
Baeus (females)
Baeus (males)
Ceratobaeus
Gryon
Idris
Macroteleia
Psilanteris
Scelio
Teleas
Telenomus
Thoron
Tiphodytes
Trimorus
Trissolcus
Xenomerus
Discarded taxa:
Info
References
Finlands Artdatacenter (2025). Scelionidae. LAJI.FI. Retrieved May 16, 2025.
https://laji.fi/sv/taxon/MX.313411
Kozlov, M.A. (1988). Superfamily Scelionidae (Scelionidae). In: Medvedev, G.S. (Ed.) Keys to the insects of the European part of the USSR. Vol. 3. Hymenoptera. Part 2. Nauka, Leningrad, 1212–1257.
Masner, L. (1980). Key to genera of Scelionidae of the Holarctic region, with descriptions of new genera and species (Hymenoptera: Proctotrupoidea). Memoirs of the Entomological Society of Canada 112(S113): 1–54.
https://doi.org/10.4039/entm112113fv
SLU Artdatabanken (2025). Scelionidae. Artfakta. Retrieved May 16, 2025.
https://artfakta.se/taxa/2001142
Key to Nordic Scelionidae
Scelionidae
