Vol. XI] COLE AND LOVETT—LIST OF OREGON DIPTERA 221 



116. Telmaphilus tenebrosa (Coq.) 

 A single male, taken at Forest Grove, 111-21 (Cole), in 

 most respects answers the description of the female given by 

 Coquillett. It differs in having all of the coxae blackish, the 

 femora and tibiae brown, the tarsi blackish brown. Wings 

 as figured by Johannsen. 



117. Exechia 9 Cincinnati Johann. 

 Forest Grove, V-5 and XI-15 (Cole). 1912, Fungus 

 Gnats of N. A., part IV, p. 69. 



118. Exechia obediens Johann. 



A very common species in winter and early spring at 

 Forest Grove. 1912, Fungus Gnats of N. A., part IV, p. 73. 



119. Exechia umbratica (Aldr.) 

 Corvallis, XI-15. 



120. Dynatosoma nigrina Johann. 



Forest Grove, III-6 (Cole). One female collected. 1912, 

 Fungus Gnats of N. A., part IV, p. 75. 



121. Mycothera fenestrata (Coq.) 



Forest Grove, 11-10 to XII-13 (Cole). One of the com- 

 monest mycetophilids in this locality. 



122. Mycetophila falcata Johann. 



Forest Grove, V-2 (Cole) . 1912, Fungus Gnats of N. A., 

 part IV, p. 93. 



123. Mycetophila fatua Johann. 

 Forest Grove, 11-25 (Cole), op. cit. p. 102. 



124. Mycetophila lassata Johann. 

 Forest Grove, III-6 (Cole), op. cit., p. 101. 



125. Mycetophila lenta Johann. 

 Tillamook, 111-26 (Burrill). op. cit., p. 102. 



9 The species of this genus are very difficult to separate, the male genitalia 

 offering the best characters for classification. There are at least five undeter- 

 mined species in material collected at Forest Grove from April to December. 



