David Bagda (left) and Terry Tolman spray citric acid solution on overgrown brush as part of the Maui Invasive Species Committee coqui frog control program, which is made up mostly by community ...

The small, nocturnal coqui frogs are native to Puerto Rico and were ... The college of tropical agriculture advises people to test the spray on a small section of a plant and to thoroughly rinse ...

Coquí frogs are cultural symbols in Puerto Rico, well known for the “ko-kee” call made by the common coquí, Eleutherodactylus coqui. In fact, 16 distinct species can be found on the island — and ...

Coqui frogs are known for their loud chirp and are ... of Ag for data,” said volunteer Mandy Sadako. Hikers also spray citric acid which kills the frogs quickly. Volunteers meet Thursday nights ...