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 VanDuzeeās 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.
Draeculacephala reticulata Sign. Rather common at Charleston and Sikeston during July and August and September, on corn, alfalfa and grasses. Taken at Chillicothe, Sept. 6, Stanberry, Sept. 7. The last two records extend the distribution of this jassid to north of the Missouri River, a fact which is interesting in view of the distribution recorded by Prof. Osborn in Bull. 108. Bur. of Ent.
Draeculacephala angulifera Walker. Quite common on grass at Charleston.
Draeculacephala mollipes Say. Abundant throughout the state. All stages present from April to November. Of great economic importance. A decided pest to young grains and grasses. Known to feed on an innumerable list of plants and shrubs, field crops, and ornamentals. Adults migrate in large numbers. About the most common jassid in Missouri.
Draeculacephala noveboracensis Fitch. Taken on grass at Charleston.
Helochara communis Fitch. Swept from wheat on many warm, sunny days during the winter. In July collected from alfalfa. Recorded only from Mississippi County.
Gypona 8-lineata Say. Occurs throughout the state. Has special liking for shady and damp places. Appears to be essentially a grass feeder.
Gypona flavilineata Fitch. Swept from grass lands at Chillicothe.
Gypona cana Burm. Taken with G. flavilineata.
Gypona pectoralis Spangb. Taken with G. flavilineata.