RMRHM16D–. 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. Graphoderuseier.. 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 work.. Wesenberg-Lund, C. (Carl), 1867-1955. Leipzig, W. Klinkhardt
RF2FX53DK–Male of diving beetle (Graphoderus bilineatus) in natural habitat
RF2K4768J–Male diving beetle (Graphoderus bilineatus) in a natural underwater habitat
RMRHM16M–. Biologische studien über dytisciden. Dytiscidae. InternatRevae Bioloff. Suppl VSerie Tafel Wzu W.-L. a. [Ö:. 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. Graphoderuseier.. 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 work.. Wes
RMW7TRX1–Diving beetle (Graphoderus bilineatus) refilling the air supply by the surface, female, Europe, August, controlled conditions
RMW7TRX3–Diving beetles (Graphoderus bilineatus) female (right) and male (left) Europe, August, controlled conditions