Ābhūta-saṃplava & Loka-vibhāga
Dissolution Threshold and the Fourteen Abodes
यः सहस्रतमो भागः स्थावराणां भवेदिह / पार्थिवाः कृमयस्तावत्संसेकाद्येषु संभवः
yaḥ sahasratamo bhāgaḥ sthāvarāṇāṃ bhavediha / pārthivāḥ kṛmayastāvatsaṃsekādyeṣu saṃbhavaḥ
Here, a thousandth part of the immobile beings is said to be earth-born worms; their arising comes from moisture, sprinkling, and the like.