Methods to combat disease carrying fly by using formalin are shown in the U.S.
United States USA Date:1924 Duration:2 min 18 sec Sound:NO SOUND
A data shows that the fly is responsible for millions of progeny in the United States. The data depicts that as an adult female fly lays batches of 150 to 200 eggs several times during her short life, she is responsible for millions of progeny. To terminate the young flies: a woman pours formalin into a plate and places it in a window. The flies are poisoned and are terminated.
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