216 CALIFORNIA ACADEMY OF SCIENCES [Pnoc. 4th Sm. 



90. Culex pipiens Linn. 

 Forest Grove, 111-26 (Cole). 



91. Aedes curriei (Coq.) 



Burns; Klamath Falls VII-27 (Dyar and Caudell) ; Cor- 

 vallis. 



92. Aedes hexadontus Dyar? 



Corvallis. Dr. Dyar in making the determination of this 

 and the following species stated that males were necessary 

 for a certain determination of the species. 1916, Ins. Insc. 

 Menstr., IV, p. 83. 



93. Aedes palustris Dyar 

 Corvallis. 1916, Ins. Insc. Menstr., IV, p. 89. 



94. Aedes varipalpus (Coq.) 

 Ashford (Dyar and Caudell) ; Portland (Currie). 



Family MYCETOPHILID^ 



Fig. 7. Boletina atra Cole, n. sp. Drawing of holotype. 



In the fungus-gnats the abdomen ends in a forceps-like 

 process in the males, and in a pointed ovipositor in the 

 females. The thorax is usually highly arched. Malloch has 

 recently divided this group into five families but in this paper 

 only the Sciara group is considered as a separate family. 



The adults are found in situations conducive to fungus 



