coconut-rhinoceros-beetle
The coconut rhinoceros beetle (Oryctes rhinoceros), an invasive pest in Hawaii, is difficult to differentiate from oriental flower beetle (Protaetia orientalis) until its adult stage. A new genetic testing method offers a faster way to identify them using egg, larvae, or excrement samples. (Photo credit: Emmy Engasser, Wichita State University, Bugwood.org)