Source
Beetles are the biggest gathering of creepy crawlies (by number of species) with one-fourth of all bugs having a place with this gathering. The request name is Coleoptera, which signifies "sheathed wing". All beetles have sheathes, called elytra, covering their wings; in any case, a few beetles have the elytra combined and can't fly. Only one out of every odd individual from Coleoptera is regularly called a beetle; some may have the name Borer (chiefly wood borers), Weevil, chafer, or rootworm.
Source
Life Cycle:
The existence cycle of all of beetles begins when a female lays eggs close by the material that the hatchlings will expend. Eggs can be laid in the dirt, on grain, on leaves, on seeds, or in plants themselves. Once the hatchlings rise up out of the eggs, they feed ravenously. Predominantly leaves will be expended on the outside of the plant while borers will feast upon tissue inside the plant. Beetles with soil-abiding hatchlings (eg. Japanese Beetles and rootworms) will feast upon root frameworks of plants. The length of this stage might be the length of quite a while or until the point that the plant is defoliated or generally debilitated and bites the dust. In the long run the hatchlings pupate and a develop grown-up beetle rises, prepared to eat, mate, and proceed with the beetle's life cycle.
Source
Controlling Beetle
For the most part, control of irritation beetles involves review of your plants and recognizing what normal beetle nuisances are in your general vicinity. Trap grown-ups right off the bat in the season to distinguish and screen bug populaces before they wind up serious issues.
In the event that you spot eggs laid on foliage or hatchlings currently nourishing on foliage you can utilize a Neem Oil item to slaughter them before they bring forth. Neem goes about as a contact bug spray, so it has restricted leftover effect. Generalist Predators, for example, Ladybugs, Mantids, or Spined Soldier Bugs can likewise be discharged to control foliage encouraging hatchlings.
On the off chance that you see eggs or hatchlings that are on or inside capacity grains, you can utilize Diatomaceous Earth blended with the grain; make sure to utilize nourishment review.
Controlling beetles is best when fruitful treatment of their youthful stages is finished. Manual evacuation of unmistakable eggs and uses of Beneficial Nematodes to control hatchlings ought to be done from the get-go in the developing season before harm shows up.
Nematode applications ought to be made when beetles with soil-abiding hatchlings are available; despite the fact that, nematodes can be infused into borer displays when found.
Since borers search out trees that are harmed or focused on, it is critical to keep up redress watering and mulching hones. Sadly, little should be possible for the borer hatchlings inside the tree but to continue Fertilizing the tree. After the hatchlings rise, you can treat the tree with Neem Oil, to murder any grown-ups and the eggs they lay outside on the bark.
Beetles that have subterranean hatchlings (like the corn rootworm, Japanese Beetles, June bugs and a large group of other people who have a grub organize are effectively controlled with NemaSeek, Hb Beneficial Nematodes, and on account of Japanese Beetle grubs, Milky Spore. Apply these items in the late-summer or late-winter while the grub organize is available underground.
For additionally enduring control, Beauveria bassiana items can be connected to leaf surfaces and as a dirt soak to contaminate and kill beetles at numerous life organizes after some time.