Your dex score increases by two and your wisdom by one

the queens can last up to 100 years and workers may last up to 10 years, while the empress may live up to 1000 years

Most Bia'stre lean towards the evil alignments, yet can be neutral and even good if they so choose

The workers are the size of normal beetles while the queen is the size of a human brain and the empress is one story tall, while the queen and workers are in their humanoid shape, they are around 4-5 feet tall

you can communicate with any sentient creature telepathically, but they may choose to block you out if they feel like it

you have the ability to cut your body in half, making some of your workers go out and scout the area or fight for you, when you devide yourself you lose half of your health and that is the amount of health the other half has, if the half with the queen dies, the other one does too, you gain your hp back when you go back to full form. 

For 3 rounds you are able to disperse all of your bugs, not being hittable but also not being able to hit

You are able to recruit more nearby bugs to join you, healing you for an amount that the DM decides based on your location

You can send your body at an enemy creature, rolling an intimidation check, if the check suceeds then the target is frightened and takes 3d10 necrotic damage, if the check fails the target is not frightened and gets dealt half of the damage, when swarming you are vulnerable to every attack but any melee attack would have disadvantage.