Cockroach Antennae (image) North Carolina State University Share Print E-Mail Caption These are electron microscopy images of ungroomed, groomed and hexane washed male cockroach antennae. Grooming keeps olfactory senses keen. Credit NC State University Usage Restrictions None 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.