Life … Animals Arthropods Insects Hymenopterans Square-headed Wasps, Sand Wasps, and Allies Astata Astata bicolor species 5 observations Astata bicolor Astata bicolor Field notes Supported by All 9 native plantssupport it in the US Nectar plants Plants whose flowers it visits Water Hemlock, Bird's Foot Violet, Marsh Blue Violet, Climbing False Buckwheat 9 Close