128 IOWA ACADEMY OF SCIENCES. 



MEMBRACID^. 



Ophiderma mera Say. Fairly conimou. 



Ophiderma salamandi'ct Fairm. Keokuk county. Probably will be found 

 wherever black locust occurs. 



Telamona reclivala Fitch. 



Telamona monticola Fab. Not common. 



Telamona ampelopsidis Harr. Not common. Perhaps this is identical 

 with the preceding, but specimens iu my collection show pretty distinct dif- 

 ferences. 



Telamotia coryli Fitch (?). The single specimen at hand differs very 

 slightly from Fitch's description which, however, is rather too meager for 

 satisfactory determination. 



Telamona acclhmtaYMch . ? 



Telamona crata:gi Fitch (var. ?). Differs from Fitch's description and fig- 

 ure in lacking white band on back part of pronotum. 



Telamona Jagi Fitch (?). The outline of pronotum is a trifle different. 



Telamona jugata Uhl. Apparently rather common. 



Telamona fasciata Fitch. 



Thelia acuminata Linn (?). 



Thelia bimactilata Fab. 



Thelia univittata Harr. 



Thelia Uhleri Stal. Rather common. 



Archasia galeator Fab. 



Smilia vittata Am. et Serv. Several specimens from Waverly, Bremer 

 county. 



Cyrtosia vau Say. 



Atymia querci Fitch. Rare. 



Atymia inornata Say. 



Ceresa diceros Say. Sometimes taken in numbers. 



Ceresa bubalus Fab. A very common species and often destructive to 

 trees by puncturing the twigs in depositing eggs. 



Ceresa brevicornis Fitch. Not usually common. 



Stictoeepiahala inermis Fab. Common. 



Stictocephala festina Say. Probably same as the preceding but smaller 

 and slightly different in form. 



Entilia sinuataF a.h. Quite common. 



Publilia concava Say. Often abounds on Helianthiis and other plants. 



Enehenopa binotata Say. Common, not abundant. 



Enchenopa curvata Fab. Common. Lives on clover. 



Microcenirus caryce Fitch. Rare, or at least seldom seen. 



PSYLLID^. 



Livia vernalis Fitch. 



Psylla quadrilineata Fitch. 



Psylla ca?7)wi Fitch ('?) 



Pachypsylla ccltidis-mammcc Riley. Very common on hackberry. 



Pachypsylla sp. Very abundant on hackberry leaves. 



