THE CANADIAN ENTOMOLOGIST. 73 



Synchloe australis and lanceolata are Transition Z )ne species ; lance- 

 olata belongs to tlie Sierra Nevadan faunal area, while australis belongs to 

 the Southern Sierran. The relation of these forms to the evolution of 

 the physiography of the country will be undertaken at some future time. 



Mr. E. K Harvey, of Los Angeles, has four specimens of australis 

 in his collection captured in Eaton Canon in the San Gabriel Mountains, 

 on the following dates: j\Iarch i6 and 21, 1901, and April 21, 1899. 

 Three males and one female. Mr. Harvey has noticed the striking dif- 

 ferences between these and specimens of typical lanceolata which he 

 possesses from Siskiyou county and Placer county. 



W. G. Wright, in his "Butterflies of the West Coast," refers to this 

 species as the southern form of lanceolata ; he does not refer to the dis- 

 tinctive characters of the under side, only saying that the apices are a 

 little darker. He fiojures only the upper side, his specimens being from 

 " City Creek, Cal.," near San Bernardino. The localities in Mr. Wright's 

 book are very vague and indefinite, his descriptions likewise, all of which 

 lessen the value of the book. 



In conclusion, I will give in synoptical form the characters of these two 

 species, to help in their readier discrimination : 



1. Discal spot crescent shaped ; apical shading comparatively obscure ; 

 under side of secondaries wood brown and ochre yellow ; white dash 

 large lanceolata^ Bdv. 



2. Discal spot straight ; apical shading very intense ; under side of 



secondaries drab or hair-brown ; white dash 



comparatively small australis^ n. sp. 



ON SOME APPARENTLY NEW CECIDOMYIID.^. 



BY WILLIAM BEUTENMULLER, AMERICAN MUSEUM OF NATURAL HISTORY, 



NEW YORK. 



Cecidomyia (?) collinsonice^ sp. v\.ov.^— Larva. — White, broad and 

 rounded. Anal segment somewhat truncate, with the sides rounded. Breast- 

 bone or anchor process very broad at the apex, and with two widely- 

 separated lateral, short projections, the part between them even. Basal 

 portion of breast-bone not visible. Length, 2 mm.; width, .75 mm. 



Gall. — Green, onion-shaped, pubescent, succulent, thick walled, with 

 a narrow larval chamber inside containing a single larva. Length, 4-7 

 mm.; width, 3.50-5 mm. 



February, 1908 



