=Phlepsius irroratus= Say. Very common and generally distributed throughout the state. Of economic importance, attacking alfalfa, clover, cowpeas, corn, wheat, oats, grape, many grasses, and weeds. =Phlepsius cinereus= VanDuzee. Recorded only from Mississippi County. Most numerous in early summer. Often taken at lights. =Phlepsius pallidus= VanDuzee. Collected at lights during summer months. Generally distributed but not abundant. =Phlepsius superbus= Uhler. Not abundant. Occasional specimens captured in Mississippi County. =Scaphoideus sanctus= Say. Occasional specimens taken in southern part of state. =Scaphoideus productus= Osborn. One adult collected at Rodney, August 25. =Scaphoideus scalaris= VanDuzee. Quite common. Recorded from Springfield and Hannibal. Taken only from weeds. =Scaphoideus jucundus= Uhler. Occurs on rank weeds and willows. Only record is from Stanberry. =Scaphoideus immistus= Say. Swept from woody shrubs and rank grasses about Charleston. =Scaphoideus immistus= Say. var. minor Osborn. One adult taken at Charleston. =Thamnotettix clitellarius= Say. An occasional adult taken in sweepings from grasses and weeds in southeast Missouri. Also taken from grape at Columbia. =Chlorotettix viridius= VanDuzee. A few adults taken during the summer from grasses and weeds growing in low and swampy lands. Recorded from Pattonsburg and Charleston. =Chlorotettix unicolor= Fitch. Rather common in central and northern parts of state. Collected from willows growing in lowlands. =Chlorotettix tergatus= Fitch. One adult collected at Charleston, September 2. =Chlorotettix necopina= VanDuzee. Only record is from Charleston where adults were swept from weeds growing in marshy places. =Chlorotettix galbanata= VanDuzee. Quite rare. Occasional specimens taken from weeds growing along roadsides in Mississippi County. =Jassus olitorius= Say. Not common. A few adults taken in southeast Missouri. Observed them feeding upon alfalfa. =Balclutha punctatus= Thunbg. Only record of occurrence is from Pattonsburg. =Gnathodus impictus= VanDuzee. Not numerous. Observed feeding on grasses and several weeds at Charleston during May. =Cicadula 6-notata= Fall. Occurs in all sections of the state, most abundant in northeast. Known to feed upon wheat, oats, and grasses. Especially numerous during October.