IOWA ACADEMY OF SCIENCES. 97 



FAMILY PIIILACUIDyE. 



Alibrus cousimilis, Marsh. 

 Alibrus nitidus, Welsh. 



These two species are common on the flowers upon which they doubtless 

 feed, though it is questionable if they do any noticeable injury. 



ORDER IIEMIPTERA. 

 P'AJtILY COREIU.l^:. 



Alydus eurinus, Say. Fairly common (authority of Osborn). 



FAMILY CORKIER. 



Coriyus hyalinus, Fab. Common. 



FAMILY CAPSIDyE. 



Lygus pratensis, Linn. (Recorded by Osborn.) Abundant and injurious. 

 Calacoris rapidus, Say. (Recorded by Osborn.) Plentiful. 



FAMILY JASSID.E. 



Agallia sanguinolenta, Prov. Abundant and serious. 



Tettigonia hieroglyphica, Say. May have been an accidental occurrence. 



Empoa albipicta, Forbes. The most serious Jassid at Ames last season. 



Cicadula 4-lineata, Forbes. One specimen taken by sweeping. 



Phlepsius irroratus, Say. Not common, perhaps not normal. 



Thamnotettiex melanogaster, Prov. Not plentiful; perhaps not common. 



Platymetopius acutus, Say. Not uncommon. 



Chloroteltix viridis. Van Duzee. One specimen taken in sweeping. 



FAMILY FULGORIDuE. 



Amphiscepa bivitatta. Say. One specimen taken in sweeping. Probably 

 accidental on clover, and its normal food plant some of the fruil trees. 



FAMILY MEMBRACID^. 



Campylenchia curvata, Fabr. (Authority of Osborn.) Larvae collected 

 on clover by Miss Alice M. Beach. 



FAMILY APHID^. 



Aphis medicaginis, Koch. (?) (Rare. Authority of Osborn.) 

 Callipterus trifolii, Monell. (Recorded by Monell and for Iowa. Author- 

 ity Osborn.) 

 Siphonophora sp. Extremely abundant and serious the past season. 



FAMILY THRIPID^. 



Phloeothrips nigra, Osborn. (Recorded by Osborn.) Very abundant in 

 the heads. 



ORDER ORTHOPTERA. 

 Tragocephala viridifasciata, Han. So common in spring that it seems 

 worthy of special mention, with the three species listed by Weed. 



