12 THE CANADIAN ENTOMOLOGIST. 



Fam. Heteroneurid^e : 



Clusia ; pupae in mouldered tree trunks (Staeger). 



Heteroneura ; larva? and pupae under bark of trees and in decaying 



tree trunks. H. albimana; bred by Schiner from pupae found 



in trunk of a weather-beaten willow. 



Fam. Sciomyzid^e : 



Dryomyza ; larvae in fungi (Meq.) 

 Actora ; breeds in seaweed (Boh.) 



Tetanocera ferruginea ; larvae live between the leaves of Lemna and 

 Callitriche in water (L. Dufour). 



Fam. Dorycerim; : 



Dorycera ; larvae live amongst leaves of water plants, several species 

 being subcutaneous (Westw.) D. gt aminum ; larvse in water 

 (Geoffr.) 



Fam. Platystomid^e : 



Platystoma umbrarum : larvae live in decayed wood underground 

 (Perris). 



Fam. Ortalid/E : 



Herina (Ortalis) frondescentiae ; larvae feed on pulp of cherry 



(Reaumur). 

 Tritoxa (Ortalis) flexa ; larvae live in onions. 

 Psairoptera ; larvae of a species found under bark of Pinus, and Populus 



tremula (Sch.) 

 Chloria (Ulidia) demandata ; larvae in old horse dung, where they 



passed the fall and winter (Bouche). 

 Chaetopsis aenea ; bred from larvte found July 5 burrowing in the 



centre of a stalk of corn (Gillette). 



Fam. Lonch.eid.e : 



Lonchsea nigra ; larvae in the stems of Verbascum, Angelica and 

 Carduus. L. parvicornis ; larvae in suckers ofTriticum repens, 

 on which they cause galls with a scale-like covering, the dead 

 leaf-sheath (Perris). L. lasiophthalma ; larvae under similar 

 circumstances on suckers of Cynodon sp. Larvae of other 

 species under bark of trees (Giraud). 



