24 PROCEEDINGS OF TUE ACADEMY OF 



SYNETA, Each. 



1. S. ferruginea (Germ), Nov. Act. Hal., i. C, p. 34 ; rubicttnda, Lac. Mon., i. 230, 2 



tripla Say, T. Acad., v. 3ill. 



Elongate, entirel}' ferruginous ; antennae infuscate, base pale ; 

 elytra with four elevated lines, the third only visible at the apex, 

 the second sharply costate ; interstices deeply punctate. L. ..30-.32 . 

 Lake Superior, Middle, and Western States. To this belongs 

 S. costala Newui. 



2. S. carinata (Mannh.), Lac. Mon., i. 228, 1. 



Larger than the preceding, more deeplj- punctate, all the el3'tral 

 lines sharply costate, color brown. L. .32-..33. Sitka, Vancouver, 

 Oregon. 



^ Posterior tibia largely dilated at the apex, with a hamate 

 process near the apex, of the length of the first joint of the tarsi. 



3. S. albida, Lee, Pac. R. Rep. p. 66. 



Pale ochreous, el^^tral lines hardly elevated, third indistinct. 

 L. .30-.32. Vancouver, Oregon. 



(^ Disk of thorax and suture of elytra black. (Suturalis Lee.) 

 This includes S. seriata Lee. as a variety. 



4. S. simplex, Lee, Pac. R. Rep., p. 66. 



Only one female from Oregon; this is very near S. ferruginea, 

 but the elevated lines are only visible at the base of the elytra. 



CRIOCEEIDES. 



Lema (Farr.) Lac. 



A. Elytra witli the ninth stria entire. 

 Elj'tra uuicolorous blue. 

 Thorax red. 



Hoad bituberculate, red. 



First joint of antennte, abdomen, and legs red. texana. 



Antt'imrc, al)domen, and legs black. brunnicolUs. 



Anlonna; and tibi;B black, abdomen red. cornutus. 



Head simple, thorax spotted with black. maculicollis. 



Head simple, black, thorax short. collaris. 



Tliora.K black. peninsuloe. 



Elytra more or less marked with testaceous. 



Head black, elytra blue with testaceous fascia. solani. 



Head red, elytra testaceous, suture and vitta black, nigroviitata. 

 Elytra blue, margin and basal spot testaceous. conjuncta. 

 Elytra testaceous, suture and marginal vitta black. 



trilineata. 



