342 Field Museum of Natural History — Zoology, Vol. VII. 



Lower California north to middle California; Southern Arizona 

 and Texas (Brownsville region) south through Mexico to Costa Rica. 



Monophylla terminata Sav. 



Tillus terminatus Say, Bost. Jour. Nat. Hist., i, Pt. 2, 1835, p. 1 60; 



Say's Compl. Writ., Lee. ed., 11, 1859, p. 637. 

 Macroielus terminatus Klug. Abh. Akad. Berl., 1842, p. 274, pi. 2, 



fig. 4; Schklg., Gen. Ins., 1903, p. 9, pi. 5, fig. i. 

 Monophylla megatoma Spin., (c?), Mon. C16r., i, 1844, p. 385; 11, 



1844, p. 126, pi. 28, fig. 5. 

 Monophylla terminata Spin., Mon. Cler., 11, 1844, p. 126, pi. 6. 



fig- 3'. Wolc, Bull. Wis. Nat. Hist. Soc, vii, 1909, p. 17. 

 Elasmocerus megatoma Lee, Ann. Lye. Nat. Hist. N. Y., v, 1849, 



P- 13- 

 Elasmocerus terminatus Lee, Ann. Lye. Nat. Hist. N. Y., v, 1849, 

 p. 14; Lee, Say's Compl. Writ., Lee. ed., 11, 1859, p. 638; 

 Fall, Occas. Papers, Cal. Acad. Sci., viii, 1901, p. 251. 

 Readily separated from calif ornica and substriata by the thorax 

 being yellow, with a black discal spot of variable size but never cover- 

 ing entire pronotum, the elytra more coarsely, densely punctate, the 

 lateral margin pale before the middle and the abdomen entirely 

 yellow or red in the male, the apical segment black in the female. 

 The antennae of the male in this species are ten-jointed; in the male 

 of calif ornica and substriata they are eight-jointed. 



Occurs in Georgia, Virginia, District of Columbia, New Jersey, 

 Pennsylvania, Indiana, Ohio, Illinois, Iowa, Missouri, Louisiana, 

 and Texas, 



Cymatodera soror sp. nov. 



Form of usta Lee. Dark brown; head and thorax piceous; 

 antennae, body beneath and legs paler; abdomen pale reddish brown. 

 I*ubescence short and moderately sparse. Head coarsely, deeply, 

 and densely punctate; eyes prominent. Antennae slender, equal to 

 three-fourths length of body; second and third joints equal, small, 

 obconic, together much shorter than joint four; joints four to ten 

 elongate, serrate, subequal in length, but gradually narrower; last 

 joint very slender, one-half longer than the tenth joint. Thorax 

 one-half longer than wide; base slightly narrower than apex; sides 

 feebly constricted in front of the middle, feebly compressed behind ; 

 surface coarsely and densely punctate; ante-scutellar impression 

 wanting. Elytra nearly twice as wide as the thorax at base; humeri 



