A male Centris caesalpiniae (IMAGE) Pensoft Publishers Caption One of the spring-active desert bees, male Centris caesalpiniae on a flower of Acacia Credit Bruce D. Taubert Usage Restrictions CC-BY 4.0 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.