. Biologische studien über dytisciden. Dytiscidae. 24. Graphoderus bilineatus. a. b. c. Holloniaslengel mit Eiern und Larven, a. Die Eier schimmern durch b. Der Stengel ist aufgeschnitten, c. Stengel mit auskriechenden Larven, d. Cocon von Hydrophilus piceus aufgeschnitten. I. Hydrophiluseier. 2. 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 Wesenberg-Lund, C. (Carl), 1867-1955. Leipzig, W. Klinkhardt

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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1910, bookyear1912