Grape Wood Borer (IMAGE) University of Würzburg Caption The grape wood borer (Chlorophorus varius) is one of over 33,000 insect species in Germany. The development of the insect biomass depends significantly on weather conditions, as a study published in "Nature" in 2023 shows. Credit Ralph Martin / r.martin@visual-nature.de Usage Restrictions Journalists wishing to use the photo must please clarify the conditions with Ralph Martin. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.