<i>Calylophus hartwegii</i> (IMAGE) Pensoft Publishers Caption This image shows Calylophus hartwegii var. filifolius from the Monahans Dunes, a sand loving shrubby variety from West Texas, and main host of Megachile chomskyi. Credit John L. Neff (Central Texas Melittological Institute) Usage Restrictions CC-BY 3.0 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.