Life … Animals Arthropods Insects Beetles Fire-colored Beetles Pyrochroa Common Cardinal Beetle species 17,153 observations Common Cardinal Beetle Pyrochroa serraticornis Field notes Supported by All 5 native plantssupport it in the US Food plants Plants it feeds on Catchweed Bedstraw, Grey Alder, Green Alder, Net-leaved Willow 5 Close