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The Subgenera of European Bumblebees (Bombus) and the Genital Capsule of Males

The conspicuously formed genital capsule of the males offers the beginner many useful characteristics and an easy possibility to separate the many species into about 16 species groups - subgenera. In the introduction The Subgenera of European Bumblebees (Bombus) and the Genital Capsule of Males, the color coding of the various sclerites makes it easier for beginners to distinguish between them and to recognize the shapes through 3D images. With 116 SEM images (Scanning Electron Microscope) of 29 selected species, the 16 subgenera occurring in Europe are presented (most of them in at least 2 species).

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The Genital Capsule of selected European Bumblebee Males (Bombus)
a collection of 600 SEM images (Scanning Electron Microscope)

600 SEM images of the genital capsule of European bumble bees are found in Bertsch & Titze 2019, The Genital Capsule of selected European Bumblebee Males (Bombus), a collection of 600 SEM images. These images can help to investigate these 3-dimensional structures in detail.

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