The first corydalid larva (Megaloptera: Corydalidae) with gut-contents from the Early Cretaceous Jehol biota of northeastern China

The fossil record of the family Corydalidae (Megaloptera) is rare with only six reported species and several undescribed larvae from the Middle Jurassic to Eocene. Little is known about the food habits and digestive system of ancient insects. We report the first corydalid larva preserved with gut contents from the Lower Cretaceous Yixian Formation of northeast China, examining the contents using a scanning electron microscope with energy...