Dolichovespula asiatica nom.nov. (Junior primary homonym Vespula sylvestris intermedia Birula), D. sylvestris (Scopoli) s.str., D. sylvestris sumptuosa (Buysson) are dealt with in this paper. A key to the sylvestris group (Metavespula Blüthgen) is also given.
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Archer (1981) studied this question.
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