FAMILY MEMBRAClDf. 153 



The fullowing species are anion;; the most interesting, and deserve attention as much, 

 if not more, t'lom their peculiar Ibrms and habits, as from their infliction of injury upon 

 the products of the farm*. 



Membra cidae. 



Gexls EXTILIA (Gf.rmar). ( Plate xiii.) 



Back more or less notched or sinuate : thorax foliaceou3. 



Entii.ia sinuata ( Fab.). ( Plate xiii, lig. 11 ) 



Back deeply sinuate-notehed, or slightly angulated. Color brown : wings variegated with 

 a patch of grayish white, broad upou the lower margin, and becoming narrow upon 

 the superior. 



Extilia emarginata. ( Plate xiii^ ilg. 13.) 



Back deeply notched or sinuate. Color brown : proportionately shorter than the s^inuata. 



ExTiLTA coxcAVA (Say). (Plate xiii, fig. 10.) 



Back simply sinuate, more depressed than in either of the preceding species. Color brown : 



wings obscurely banded with gray posteriorly. 



The preceding species ditlcr but little in size : they are about a quarter of an inch in 



length, and inhabit the Canada thistle and other herbs and trees, but are not known to 



injure any of the cultivated plants. 



Genus SMILIA (Germar). ( Plate ill.) 



Back rounded ; the front sometimes overhanging the head, and higher than the back. 



Smilia avriculata ( Fitch). ( Plate iii, fig. 23.) 



Back rounded, high and arched anteriorly : color green ; front projecting along the 

 median line. 



Smilia guttata. ( Plate iii, figs. 21, 22.) 



Back slightly arched, nearly straight, fuliginous : oblique anterior band narrow and 

 obscure ; posterior is a large greenish spot, extending nearly to the inferita- margin 

 of the wing-covers : a still more obscure grayish marking iMjsteriorlj . 



* For specimens and names of the following genera and species, I am indebted to our distinguisbed entomologist, 

 Dr. Asa Fitch, of Wasbiugton county. 



[Agricultural Report — Vol. v.] 20 



