Beetles do not have tails. A tail is an extension of the spine. Insects do not have any type of spine.
In your garden, you may find bugs with tails such as earwigs, silverfish, and some types of beetles.
carrion beetles are that kind of beetles
Creatures like scorpions have tails that end in stingers for defense. Praying mantises have elongated abdomens that resemble tails. Centipedes and millipedes have tail-like segments. Silverfish have cerci, tail-like appendages for sensing.
The insect that has two tails is a silverfish.
beetles
Beetles with large antennas, such as longhorn beetles and stag beetles, are commonly found in forests.
The insect that has two tails is called a silverfish.
nymphs
Caterpillars do not turn into wasps or beetles. The only type of insect that caterpillars turn into are moths or butterflies.
You can find moths (if you are near a light), stag beetles, Hercules beetles, certain cicadas, and more rare beetles.
Beetles prefer warm and humid weather. They thrive in environments where temperatures are moderate and there is ample moisture for their survival and reproduction. Extreme heat or cold can be detrimental to their health and activity.
The creature that has a bug with two tails is a scorpion.