=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. TETTIGONIDELLIAE. =Oncometopia undata= Fabr. Occurs throughout the state, but not abundant. Swept from grass, weeds and a number of shrubs. =Oncometopia costalis= Fabr. Occasional specimens taken throughout southern part of state. Also recorded in the collection of the Experiment Station at Columbia. =Homalodisca coagulata= Say. Occasional specimens taken from cotton and cowpeas. Not abundant. =Aulacizes irrorata= Fabr. Recorded from the collection of the Experiment Station at Columbia. =Kolla bifida= Say. Swept from weeds in marshy lands and from willows and several shrubs. Recorded only in Mississippi County. =Kolla geometrica= Sign. Not common. Recorded from Springfield on grass. =Kolla tripunctata= Fitch. Mentioned in VanDuzee’s Catalogue of Described Jassoidea of N. A. as occurring in Missouri. =Tettigoniella gothica= Sign. Only one specimen taken. From grass at Lutesville, August 13. =Tettigoniella occatoria= Say. Common in eastern part of state. Feeds on clover and weeds. =Tettigoniella hartii= Wood. Quite numerous throughout the state during the late summer. Captured only from meadows and grass lands. =Tettigoniella hieroglyphica= Say. Rather common in all parts of the state. Known to feed on clover and several weeds. =Tettigoniella hieroglyphica= Say. var. hieroglyphica Say. One adult captured from grass at Rolla, September 21, by Mr. Geo. W. Barber. =Tettigoniella hieroglyphica= Say. var. uhleri Ball. Rather common in eastern half of state. Taken from clover and weeds. =Tettigoniella hieroglyphica= Say. var. confluens Uhler. Taken with the above variety. =Diedrocephala coccinea= Forst. Very generally distributed. Common but not in great numbers. Injurious to many ornamental plants in the Missouri Botanical Gardens at St. Louis. Nymphal cast shins observed on leaves of Magnolia and American Holly. Adults taken from several kinds of trees near swamps along the Mississippi River. =Diedrocephala versuta= Say. Very abundant in central and southern Missouri. Adults first observed in June. All stages abroad in fields from July to November. Injurious to cowpeas in Southeast Missouri. Food plants include alfalfa, clover, sunflower, grasses, and many weeds. Common on several ornamental plants and shrubs in the Missouri Botanical Gardens at St. Louis during September.