Guillermo del Toro is Mexican.
The cottonwood borer -LRB- Plectrodera scalator -RRB- is a species of longhorn beetle found in the United States east of the Rocky Mountains that feeds on cottonwood trees .. longhorn beetle. longhorn beetle. United States. United States. Rocky Mountains. Rocky Mountains. cottonwood. Populus sect. Aegiros. It is one of the largest insects in North America , with lengths reaching 40 mm and widths , 12 mm .. It is the only species in the genus Plectrodera .