Vol. XI] COLE AND LOVETT—LIST OF OREGON DIPTERA $\J 



Family HELOMYZID^ 



Fig. 38. (Ecothea fenestradis (Fallen). 



The flies of this family have the costa beset with promi- 

 nent bristles and the wings are rather large. Some species 

 live in caves and burrows, others are collected in damp 

 meadows and shady places. 



The larvaj have been bred from bat and rabbit-dung, 

 from decaying wood, and from truffles. 



782. Helomyza barberi Aldr. 

 Hood River, VI-3 and X-30 (Cole) . 1908, Trans. Amer. 

 Ent. Soc, XXXIV, p. 93. 



783. Helomyza limbata Thorns. 

 Forest Grove, V-9 to IX-30 (Cole). 



784. Helomyza nemorum (Meig.) 

 Hood River, X-ll (Cole). H. assimilis Loew is a syno- 

 nym. 



785. Helomyza plumata Loew 

 Mt. Jefferson, VII-12 (Bridwell) ; Mary's Peak, at base, 



