Worm Nest - Collembola and Mosquitoes A nest of Collembola, some just emerged from the soil Size: about 15/11/5mm Weight: 0.5g Location: Myanmar [Photos] The photos are all taken at macro magnification. Please see scale images for actual size of item. [Must Read] Burmese amber is a natural product. Blemishes, ice cracks and plant debris are all hallmarks of pure natural amber.