BYTHOSCOPIDAE.
Macropsis apicalis Osb. & Ball. A few specimens swept from weeds at Charleston, Mo., during the late summer.
Bythoscopus distinctus VanDuzee. Found in great numbers on willows in northern Missouri.
Pediopsis viridis Fitch. Not common. Taken from willows near drainage canals in southeast Missouri. Somewhat more numerous in northern part of the state.
Idiocerus nervatus VanDuzee. The only species taken from willows about Chillicothe.
Idiocerus verticis Say. Listed by VanDuzee as occurring in the state.
Idiocerus crataegi VanDuzee. Swept from grasses at Chillicothe.
Idiocerus snowi Gill & Baker. Recorded from Lutesville and Charleston. Feeding on millet and grasses. Nymphs numerous during August.
Agallia sanguinolenta Prov. Most plentiful in southern part of state. A decided pest of clover and alfalfa. Other food plants include wheat and several weeds. Adults abroad in fields all seasons of the year. Abundant in northern Arkansas.
Agallia constricta VanDuzee. One of the earliest jassids to appear in the spring. Most numerous on grains. Attacks wheat, rye, oats, alfalfa and grass. Abundant in southern counties.
Agallia uhleri VanDuzee. Not very numerous. Occurring principally near swamps along the Mississippi River. Also collected from clover fields.
Agallia novella Say. Rather uncommon. Taken only in southern half of state. Adults collected from alfalfa and from weeds growing in marshes and bogs.
Agallia 4-punctata Prov. Clover and alfalfa are among its food plants. Most abundant in southern counties.
Agallia gillettei O. & B. Quite rare. A few adults taken at Charleston.