Show where flies propagate the manure heap la Is where aliet propagate tho female fly lays about eggs and these eggs hatch ln in about one third of a lay day the larval stage B Is three days the pupa stage five I 1 I 1 days and the fly rounds to the full adult fly in about ton days may be twelve broods in a the farst thing to do la Is to see that h manure la is well screened and purpose the best beet mate ilal Is a lagh cheesecloth A of cho chlo lime should be thickly dusted quite often over the manucci mahulu every ever day |