42 HOUSEHOLD INSECTS 



same habits, and the name "storm-fly" is 

 no more appropriate for this fly than for 

 others. It loves the direct sunlight, and 

 may be seen basking on walls and fences 

 in the sun. When darkness begins they 

 seek shelter in protected places, entering 

 stables and other buildings. While camp- 

 ing one summer in the Adirondacks the 

 author pitched his tent in a small wooded 

 pasture near the shores of a lake. Every 

 FIG. 16. evening these flies (Fig. 17) would come 

 Head and pro- into our tent in numbers and rest on the 

 biting house- wa ll s an d roof until the sun appeared the 

 fly. (xs.) following morning. They evidently bred in 

 the droppings of two cows that frequented 

 a moist shady retreat not over a score of yards from our tent. 



Farm-yards and sta- 

 bles are evidently the 

 usual haunts of this fly, 

 but it is found in fields, 

 about gardens, and in 

 open woods where cat- 

 tle are grazing. 



Newstead has traced 

 its life history quite 

 fully. He found that 

 the creamy-white eggs 

 were laid in irregular 

 heaps in fresh horse ma- 

 nure and in the feces of 



other animals. He FJG 17 . _ Biting house . flyj stomoxys 

 found the females actu- caidtrans. (x 3|.) 



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