169 



of the species at this locality and any observed peculiarity of its 

 habitat. Where a published statement exists of the occurrence of 

 any species within our district the reference has been appended. 

 Except in the case of a single species ( Helicoptera opaca, Say J all the 

 material used in the preparation of this list has been carefully 

 examined by the author and it is believed that errors of determination 

 have been mostly eliminated. Still should it fall far short of its 

 intended perfection in this and other respects it is hoped it may 

 prove of value to entomologists in general as well as to our local 

 collectors. 



CATALOGUE OF HBMIPTERA. 



Suhorder Heteroptera. 

 FAMILY SCUTELLERIDAE. 



EURYGASTER, Laporte. 



1. E. alternatus, Say. 



May to October. Widely distributed but never abundant in 

 our district. Generally taken on swamp grasses in pastures 

 and uncultivated fields. 



CORIMELAENA, White. 



2. C. atra, Am. and Serv. 



Ma)' to Jul}-. Common, the young may be found through 

 July.' 



3. C. nitiduloides, Wolff. 



Rare. Golden, Aug. rSS6. Ridgeway, Ont. , May 30, 1891. 



1. C. pulicaria, Germ. 



A common species everywhere throughout the season. Very 

 abundant at times on strawberry blossoms in May, and v/ith 

 the young on raspberry and blackberry bushes through July 

 and August. Also taken hibernating under boards early in 

 April. 



FAMILY CYDNIDAE. 



AMNESTUS, Dallas. 



5. A. spinifrons, Say. 



Rare. Swept from weeds in a low swampy meadow at 

 Ridgeway Ont. in May. 



6. A. pusillus, Uhler. 



Occasional in April and Ma}'. 



