What is the plural form of the word 'Larva'?

• Larva (singular noun)
English Meaning: The active immature form of an insect, especially one that differs greatly from the adult and forms the stage between egg and pupa, e.g. a caterpillar or grub. 
Bangla Meaning: শুঁয়া পোকা; শূককীট; পতঙ্গের জীবনচক্রের প্রথম ধাপ (ডিম থেকে বেরোনোর পর)।
- এর plural form হচ্ছে - Laevae or Larvas.

• Examples:
- The larva of the beetle burrowed into the soil to pupate.
- Larvae of mosquitoes thrive in stagnant water.
- The pond was teeming with larvas of various aquatic insects.

Source:
1, Oxford Learner's Dictionary.
2. Accessible Dictionary by Bangla Academy.