THE LEAF BEETLES. 1181 



i). Three stripes on each elytron, sutural, median and submar- 



ginal. 



/<. Form obh.ng-oval: 1'ront angles of thorax not dent il'orin ; 

 body beneath and legs pale. 2184. FIMBRIATA. 



/(//. Form oval; front angles of thorax dentiform; elytral dark 

 stripes broad. IM-ITAUKISTA. 



//</. Two stripes on eacli elytron, sutural and median; oval or ob- 

 long-oval; fourth joint of antenna 1 distinctly lunger than 

 third. 21S5. MINIATA. 



ad. Antemue slender, as long as or lunger than half the body; species 

 smaller (usually less than 4.."i mm.), much depressed; front vertical; 

 elytral margins usually flattened. 



/. Elytra with narrowly flattened margins; yellow with an oval discal 

 black space; head yellow; umbone indistinct. 



LMXC>. TIIYAMOIDES. 



//. Elytral margins broadly flattened, the epipleune wide and hri/ontal. 



./'. Elytra broadly oval, sides much curved, coarsely punctate; dirty 



yellow with indistinct black lines. 21S7. UMIJALIS. 



././. Elytra with sides feebly curved or nearly parallel, entirely picemis 



or yellow with piceous spots. 



/,-. Thorax very coarsely punctured ; elytra with a more or less evi- 

 dent costa from the humeri lo apex. 21XS. SKXMACULATA. 

 A'/,-. Tin. rax linely and sparsely punctured or smooth; elytra without 



costa on the side. 



7. Head coarsely and closely pum-tate; elytra with base, suture 

 and often two spots on each, brown. SUTURALIS. 



//. Head sparsely punctate or almost smooth. 

 in. Smaller, nut over 4 mm.; elytra usually in great part pic- 

 eons; umbone prominent. 21811. QUKRCATA. 

 mm. Larger. 4.5-5 mm.; elytra dull yellow ornamented with black 

 spots tending to form transverse bands. 



2190. SCALARIS. 



*2lxo (0928). (Enio.\V( ins CIIISBITAKSA Say. Journ. I'hil. Acad. Nat. Sci., 



IV. 1S24. s.", : ibid. II. 22.".. 



Oval, slightly oblong, moderately convex. Head, under surface and 

 femora yellow or reddish-yellow: thorax yellow with four piceous spots, the 

 two median ones often more or less confluent ; elytra brilliant green or co- 

 balt-blue; tibia\ tarsi and antenme piceous; scutelluui black. Thorax more 

 than twice as wide as long, margins moderately flattened, not translucent. 

 Elytra sparsely and indistinctly punctulate. Length 5-7 mm. 



Throughout the State: frequent. February 21-September L'i). 

 Hibernates beneath logs. bark, mullein leaves, etc. Occurs in sum- 

 mer on flowers of yarrow, wild hydrangea and other plants. The 

 only blue specimens taken were in Lake County. 



