beetle年代:晚侏羅紀至早白堊紀 (Late Jurassic ~ Early Cretaceous 150 mya~125 mya)產地:中國遼寧北票市黃半吉溝 (Huangbanjigou, Beipiao of western Liaoning, China)蟲長約5 mm年代:中侏羅紀早期 (Middle Jurassic , 164 mya~159 mya)產地:中國內蒙道虎溝 (Daohugou, Inner Mongolia, China)