310 ENTOMOLOGicAi, NEWS. [July, 'i 5 



Family Hydrophilidae. 



Hydrocharis obtusatus Say. Have taken many at electric lights. 



Berosus striatus Say. Taken flying in late spring. 



Hydrobius fuscipes Linn. Also taken at arc lights but not com- 

 mon. 



Family Silphidae. 



Necrophorus americanus Oliv. Taken at electric lights. Most 

 specimens are covered with small yellowish lice, [?] 



Necrophorus orbicoUis Say. Also taken at lights, but more com- 

 mon than the above. 



Necrophorus marginatus Fab. Rare, One specimen Oct. 9, 1912, 



Necrophorus tomentosus Web, Taken commonly in fields and 

 pastures. 



Silpha surinamensis Fab. Occurs plentifully at light. Have one 

 specimen of a dully brownish-yellow color, 



Silpha inaequalis Fab. Taken from dead animals in late spring, 



Silpha noveboracensis Forst. Common. 



Silpha americana Linn. Another common species. 



Family Staphylinidae. 

 Quedius fulg^dus Fab. Common all through the season. Varies 



in length from 7 mm. to 18 mm, 

 Dianous species? A small black species taken frequently by 



sweeping, 

 Creophilus villosus Grav. Very common. 

 Listotrophus cingulatus Grav. Another common species. Very 



plentiful in late spring. 



Family Coccinellidae. 

 Anisosticta strigata Thunb. A good species, but not common, 

 Megilla fuscilabris Muls, A common garden insect occurring 



plentifully on corn. 

 Hippodamia convergens Guer, Found commonly feeding on 



aphides of various kinds, 

 Hippodamia 13-punctata Linn. Found with above but not over 



common, 

 Hippodamia parenthesis Say, One of the rarer species, 

 Coccinella sanguinea Linn, Found feeding on aphides. Quite 



common. 

 Coccinella transversoguttata Fab, Taken quite commonly on 



cherry and plum trees, 

 Coccinella trifasciata Linn, Not very common. Occurs with the 



above. 

 Coccinella 9-notata Hbst, Very common. 

 Adalia bipunctata Linn, Our commonest species. Occurs all the 



year round. 



