DIETARY-SODIUM, POTASSIUM AND CALCIUM REQUIREMENTS OF THE HOUSE CRICKET, ACHETA-DOMESTICUS (L)

1. The optimal level of sodium in an artificial diet for the house cricket was found to be 1126 ppm, of potassium 6487 ppm and of calcium 1366 ppm. 2. The revised salt mixture for the house cricket is 68.02 g NaCl, 120.00 g KCl, 310.00 g KH2PO4, 37.65 g CaHPO4, 53.34 g CaCO3, 90.50 g MgSO4.7H2O, 14.70 g FePO4.4H2O, 0.23 g MnSO4.H2O, 0.55 g ZnCO3 and 0.72 g CnSO4 in a total of 695.71 g salts.