Ototoxicity: Medications that Cause Tinnitus. Ototoxic medications are those that are toxic to the cochlea or vestibular (balance) structures in the ear. These medications have the potential to cause hearing loss, tinnitus and/or dysequilibrium such as dizziness and vertigo.
The larva of the May/June beetles, also called May or June bugs, are white c-shade grubs that have a three year life cycle. Noticeable damage to the turf doesnât occur until late in the second year. For the best control, a basic knowledge of life cycles is important. First Year.
When to Control Grubs. Controls are most effective on immature grubs. For most species and locations that means July or August is the prime time to treat with an insecticide.