| when mtdna coi is misleading: congruent signal of its2 molecular marker and morphology for north european melanostoma schiner, 1860 (diptera, syrphidae). | the northern european taxa of genus melanostoma schiner, 1860 (syrphidae, diptera) are revised. a longstanding question concerning the number of melanostoma taxa occurring in northern europe prompted us to contrast and compare their morphological and molecular variability. particular uncertainty concerned the putative existence of a sibling species of melanostoma mellinum, and the identity of the taxon melanostoma dubium in northern europe due to existence of morphologically similar dark forms o ... | 2014 | 25152670 |