Beetles of South Central Pennsylvania

The beetle species Popillia japonica is commonly known as the Japanese beetle. It is about 15 millimetres (0.6 in) long and 10 millimetres (0.4 in) wide, with iridescent copper-colored elytra and green thorax and head. It is not very destructive in Japan, where it is controlled by natural predators, but in America it is a serious pest of about 200 species of plants, including rose bushes, grapes, hops, canna, crape myrtles, birch trees, linden trees and others. less ↑

The Oriental beetle (Anomala orientalis, not to be confused with the Japanese beetle) is a beetle about 0.7 - 1.1 cm (0.3 - 0.4 inches) long, with mottled, metallic brown- and black-colored elytra and a similarly-colored thorax and head during the adult stage. During the larval stage the oriental beetle can be identified by the parallel line raster pattern. It is native to Asia and was introduced to North America and has since spread to and become... less ↑

Maladera castanea, the Asiatic garden beetle, is a beetle in the family Scarabaeidae native to Japan and China. It was introduced to North America, where it is considered a crop and deciduous leaf (tree leaf) eating pest. Adults are active in the summer, and can be seen feeding on plant leaves at night or found around porch lights. Adults range in length from 7 to 9 mm and possess a cinnamon-brown color. Larva are approximately 3/4"... less ↑