'Princess Pheromone' Singles out Larvae Who May Become Queens (image) North Carolina State University Share Print E-Mail Caption Workers of the Indian jumping ant carefully groom and inspect larvae to determine whether they are developing as queens or workers. Credit Clint Penick Usage Restrictions Photo credit must be given. 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.