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Acrotomus
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Key to western Palaearctic Acrotomus
Acrotomus
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Hymenoptera
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Ichneumonoidea
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Ichneumonidae
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Tryphoninae
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Acrotomus
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Taxa:
Tergite 1
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Tergite 1 with basolateral projections protruding sharply to the sides.
Tergite 1 with basolateral projections weak.
Coloration
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Tergites black and broadly white laterally, white areas usually extending above level of the spiracles.
Apical tergites usually reddish or black with reddish posterior margins, not or only narrowly white laterally. White areas never extending above level of the spiracles.
Egg
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Egg black with a three-bladed anchor.
Egg brownish and without three-bladed anchor.
Remaining taxa:
Acrotomus lucidulus
Acrotomus succinctus
Discarded taxa:
Info
This key includes all known species of
Acrotomus
that occur in northern Europe.
References
Gupta, V.K. (1991). A review of the Exenterine genus Acrotomus Holmgren, 1855 (Hymenoptera, Ichneumonidae). Entomofauna 12(3): 33–48.
Kasparyan, D.R. (1990). Fauna of USSR. Insecta Hymenoptera. Vol.III(2). Ichneumonidae. Subfamily Tryphoninae: Tribe Exenterini. Subfamily Adelognathinae. Nauka, Leningrad, 342 pp.
Yu, D.S.K., van Achterberg, C. & Horstmann, K. (2016). Taxapad 2016, Ichneumonoidea 2015. Database on flash-drive. Nepean, Ontario, Canada.
