Journal Article Research Support, Non-U.S. Gov't Bennettitales Dakota Formation Daohugou Formation Jurassic Lauraceae Mealybug Metzgeriothallus New York state Pennsylvanian Research Support, U.S. Gov't, Non-P.H.S. angiosperm arthropod damage types endophagous herbivory endophytic feeding external foliage feeding galling herbivore herbivory insect damage leaf mining leaf venation mining insects nutrition hypothesis oil body cells piercing-and-sucking plant-insect association plant-insect interactions