. Danmarks fauna; illustrerede haandbøger over den danske 226 eller kortvingede imagines; men larverne træffes nor- malt kun i vand. Der er ikke segmentalt ordnede gællevedhæng på bagkroppens sider hos nogen her i landet forekommende art, men hos larverne til den. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Dansk naturhistorisk forening. København, G. E. C. Gad

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Photo credit: © The Book Worm / Alamy / Afripics
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Keywords: ., bookauthordansknat, bookcentury1900, bookdecade1900, bookyear1907