328 CALIFORNIA ACADEMY OF SCIENCES [Pitoc. 4th Ses. 



species, but not especially those in North America, have 

 grotesquely formed heads. The wings are often strikingly 

 marked. The adults are taken in meadows and tall grass. 

 A few species are of economic importance. Aldrich lists 

 about 150 species in his Catalogue. 



846. Tritoxa cuneata Loew 

 Corvallis, VII-17 (Lovett). 



847. Tritoxa pollinosa Cole 



Warm Springs Valley, VII-7; one specimen at Burns, V 

 (Thompson), the second specimen known. 1919, Proc. Cal. 

 Acad. Sci., Ser. 4, IX, p. 252. 



848. Melieria occidentals Coq. 

 Blitzen River, VII-6. This species is not uncommon in 

 parts of California. 



849. Anacampta latiuscula Loew 

 Forest Grove, 1-28 and V-21 (Cole). 



850. Anacampta longicauda Hendel 

 Burns, V. Aldrich det. 



851. Anacampta stigma Hendel 



Burns, V (Thompson). 1911, Wien. Ent. Ztg., XXX, 

 p. 23. 



852. Tetanops aldrichi Hendel 



Burns, V (Thompson). 1911, Wien, Ent. Ztg., XXX, 

 p. 20. 



853. Tetanops apicalis Cole, new species 



Fig. 45. Tetanops apicalis Cole, n. sp. Wing of holotype. 



