Show another of the fly the fly has an effective enem enemy other than the hand that wields tile the swatter this Is the parasitic fungus known as the musean fungus Is a deadly enemy of 0 the house ly fly and it must destroy myriads of these pernicious insects especially in the fall the lies flies may often be seen in a dead or dying condition on walls ceilings and window panes surround ed by a quantity of white powder I 1 e the spores of the fungus which have fallen from the insects body these spores are capable of infecting 0 ther other flies which may come in con tact with them whether the flies actually eat cat the spores or merely get them attached to their bodies alpar antly is not known |