A study to evaluate the potency of bacteriae from soil sample as biological Vector Control Research Station at Salatiga. Protein crystals were detected by Chilcott Wigley's method (1988). Samples of soil from 5 different locations in Kotamadya Salatiga, were evaluated. Total of 6 samples collected from 2 habitats (hole and branch of Euphoria longan), 1 samples from Butuh, 2 samples from Conde…