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A new Platycheirus species of the manicatus Meigen subgroup from the arctic Russia (Diptera: Syrphidae)

by Barkalov, Anatolii, Nielsen, Tore
Published in Entomologica Fennica (2012)
“.... It is characterised by a facial knob, a row of scattered straight setae from base to apex postero-laterally on fore...”

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Trichiosoma nanae sp. n., a monophag on Betula nana from Finland (Hymenoptera, Cimbicidae)

by Vikberg, Veli, Viitasaari, Matti
Published in Entomologica Fennica (1991)
“.... The thin cocoons, usually situated near the apex of twigs of the host plant, are frequently attacked...”

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Article in Journal/Newspaper