222 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th See. 



126. Mycetophila monochaeta Loew 

 Forest Grove, IV-5 (Cole) ; Corvallis, 1-14 (Gentner). 



127. Mycetophila mutica Loew 

 Forest Grove, III-6 (Cole). Large series taken. 



128. Mycetophila mutica var. A, Johann. 

 Forest Grove, III- 14 (Cole). 1912, Fungus Gnats of 

 N. A., part IV, p. 93. 



129. Mycetophila perita Johann. 

 Forest Grove, V-14 (Cole), op. cit., p. 90. 



130. Mycetophila punctata Meig. 

 Forest Grove, V-14 (Cole) ; Tillamook. 111-26 (Burrill). 

 This is one of the commonest and most widely distributed 

 species. The Oregon specimens are darker than eastern 

 specimens in my collection. 



131. Mycetophila scalaris Loew 

 Hood River, X-2 (Cole). 



Family SCIARID^E 



These small flies are separated from the Mycetophilidae 

 by several dipterists and are easily recognized by the vena- 

 tion and much shorter coxae. 



The larvae are scavengers but some do damage to mush- 

 rooms. Many species breed in leaf mold. 



132. Sciara 10 scita Johann. 

 Newport (Aldrich), type locality. 1912, Fungus Gnats of 

 N. A., part IV, p. 135. 



133. Neosciara 11 munda (Johann.) 

 Forest Grove, 111-26 and IV-5 (Cole). 1912, Fungus 

 Gnats of N. A., part IV, p. 127. 



10 Sevcral species of this genus were taken which cannot be identified with 

 certainty without male specimens; some are probably undescribed. 



11 191 8, Ann. Ent. Soc. Amer. XI, p. 320. 



