Diagnostic value of some morphological characteristics useful for discriminating the subgenera ofBombus Latreille s.l. and Psithyrus Lepeletier s.l. (Hymenoptera Apidae Bombinae). (2024). Bollettino Di Zoologia Agraria E Bachicoltura, 34(3), 405-427. https://test-ojs-unimi-it.archicoop.it/index.php/bzab/article/view/27074