IOWA ACADEMY OF SCIKNCES. 127 



CERCOriD^. 



Clastopetera obkisa Say. Common. 

 Claslopetera 2^roteus Fitch. Common. 



A])h7-ophora quadrangidaris Say. A very common species. 

 Jphrojihora quadrinolata Say. Common at times, but not so constantly 

 present as the preceding. 



FULGORIDuE. 



Stcnocranus dorsalis Fitch. 



Stenocranus s]?. 



DeJphax Iricarinatus Say. Rather common. 



Liburnia ornata Stal. Common. 



Liburnia sp. approaches r;7<«<(/>'o«s. Uhl., but is larger, darker and with 

 longer wings than I have seen in specimens from other localities. 



Cixuis stigmatus Say. Not abundant. 



Oliarus sp. An undertermined species; rather rare. 



Helicoptera nava Say. Not abundant. 



Ormenis priiinosa Say. Common. 



Ormcnis septentrionalis Spin. Am quite sure I have seen Iowa specimens 

 of this common species, but have none at hand. 



Amj)Msccpa biviltata Say. Quite common. 



Brurhomorp>ha dorsata Fitch. Occasional. 



Bruchomorjjha ocuJata Newm. Rather rare. 



Aphelonema simpiJex Uhl. More common than the preceding. 



Latnenia vulgaris Fitch. Never noted as abundant. 



Otiocerus signoretti Fitch. Seems to be our most common species of the 

 genus. 



Otiocerus woJfii Kirby. 



Otiocerus stolUi Kirby. Sometimes rather common. 



Otiocerus amyotii Fitch. 



Otiocerus degeerii Kirby. Not observed as common. 



Phylloscelis jmllescens Germ . 



Scolops sulcipes Say. Sometimes rather common. 



Scolojys angustatus Uhl. 



Scolops s]). A darker, longer winged form than either of the preceding 

 is somewhat common. 



CICADID^. 



Cicada tibicen hinn. The common "Dog Day Harvest Fly." 



Cicada dorsata Say. One specimen from Poweshiek count}' brought in 

 bj- a student. 



Cicada rimosa Say. Specimens from Worth county and Tama county. 



Cicada noveboraccnsis Fitch. Common, smaller than the preceding, and 

 appears to me to be distinct though it has been regarded, by some writers, 

 as a form of that species. 



Cicada sejietendccim L. The seventeen year Cicada. Remarkable for 

 the great length of its lar^-al life. Two broods occur in the state, one 

 occupying the eastern central portion and the other the south central 

 portion. 



