''Calais speciosus'' is a species of click beetle in the genus ''

Calais Calais ( , , traditionally , ) is a port city in the Pas-de-Calais department, of which it is a subprefecture. Although Calais is by far the largest city in Pas-de-Calais, the department's prefecture is its third-largest city of Arras. Th ...

''.

Biocontrol use

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...

and in Asia where there are

coconut rhinoceros beetle The Asiatic rhinoceros beetle, coconut rhinoceros beetle or coconut palm rhinoceros beetle, (''Oryctes rhinoceros'') is a species of rhinoceros beetle of the family Scarabaeidae. ''O. rhinoceros'' attacks the developing fronds of raffia, cocon ...

s (''

Oryctes rhinoceros The Asiatic rhinoceros beetle, coconut rhinoceros beetle or coconut palm rhinoceros beetle, (''Oryctes rhinoceros'') is a species of rhinoceros beetle of the family Scarabaeidae. ''O. rhinoceros'' attacks the developing fronds of raffia, coconut, ...

''), ''Calais speciosus'' has been introduced to control their population, as it may eat the grubs or eggs of ''Oryctes rhinoceros''.

References

Elateridae Beetles described in 1767 {{Elateridae-stub