Aphid on the Leaf Surface of Caiophora deserticola (Loasaceae) (image) University of Bonn Share Print E-Mail Caption The large stinging hairs (long stings) are way too long to do any damage to the small insects. However, the sharp mineralized trichomes represent a deadly forest of needles that the animal has to walk over. Credit © Adeel Mustafa/Uni Bonn Usage Restrictions This photo may be used with the press release. Share Print E-Mail 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.