%\\t €mdm\ mntomolo0t$t. 



Vol. XXXIV. LONDON, OCTOBER, 1902. No. 10 



A PRELIMINARY LIST OF ACRIDIID.F; OF ONTARIO. 



BY E. M. WALKER, B. A., TORONTO. 



Since the last of my " Notes on Some Ontario AcridiicUe " were 

 printed, five species have been added to the list, and the number of locali- 

 ties for those already recorded has been considerably increased. I think, 

 therefore, that it will make the notes more complete to conclude them 

 with a full list of the species of this family known to occur in the 

 Province, with their distribution as hitherto recorded. 



Only a small portion of the territory included in the Province of 

 Ontario has been at all thoroughly explored by entomologists, but I do 

 not believe there are very many native species of Acridiidae not included 

 in the present list. Doubtless, however, some of the Manitoba and 

 Minnesota forms extend into the north-western part of Ontario, while it is 

 extremely probable that there are unrecorded species in the south-west, 

 and possibly a few in the east and extreme north. 



The five species referred to above are as follows : 

 Tryxalis brevicornis, Linn. 



Gryllus brevicornis, Linn. Syst. Nat., ed. 12, II., 692 (1767). 



Tryxalis brevicornis, Fabr. Syst. Ent., 279 (1775). 



Pyrgomorp/ia brevicornis, Walk. Cat. Derm. Salt. Brit. Mus., III., 

 500 (1870). 



Opsomala punctipennis, Serv. Orth., 590 (1839). 



Two males of this southern species were taken just above Point 

 Pelee, in an open marsh bordering a creek, on Aug. S-, 1901. They were 

 very active, and leaped several times among the sedge before they were 

 caught. 



This species has a very interesting distribution, being found from 

 Long Id. and Indiana south to the Gulf of Mexico, and through Texas to 

 Honduras and Brazil. 



Orphulella pelidna, Burm. 



Gomphocerus pc/idnus, Burm. Handb. Ent., II., 650 (1SJ8). - 



