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Cerchysius
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Key to Nordic Cerchysius
Cerchysius
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Hymenoptera
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Chalcidoidea
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Encyrtidae
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Encyrtinae
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Cerchysius
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Steps
Steps
Taxa:
Ovipositor
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Ovipositor much longer than metasoma.
Ovipositor shorter than metasoma.
Legs
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Hind legs mostly dark. Middle tibia often with a dark spot basally.
Hind legs yellow or light brown. Middle tibia without distinct dark spot.
Remaining taxa:
Cerchysius gigas
Cerchysius subplanus
Discarded taxa:
Info
This key covers the two northern European species of Cerchysius.
References
Finlands Artdatacenter (2024). Encyrtidae. LAJI.FI. Retrieved October 26, 2024.
https://laji.fi/sv/taxon/MX.289244
SLU Artdatabanken (2024). Encyrtidae. Artfakta. Retrieved October 26, 2024.
https://artfakta.se/taxa/2001152
Tryapitsyn, V.A. (1988). Family Encyrtidae (encyrtids). In: Medvedev, G.S. (Ed.) Keys to the insects of the European part of the USSR. Vol. 3. Hymenoptera. Part 2. Nauka, Leningrad, 427–594.
