30 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 82 



more than half width of head; frontal carina not acute, broad and 

 somewhat produced, tubercles well marked but flat; middle of occi- 

 put and front usually smooth with some coarse punctures about fovea 

 near eye; pale, with often a small spot in middle of occiput, the 

 tubercles frequently brown and the labrum always dark. Antennae 

 short, dark with paler basal joints, third, fourth, and fifth joints sub- 

 equal, the fourth slightly the longest, the remainder nearly as broad 

 as long. Prothorax a little over twice as wide as long; somewhat 

 convex, a little narrowed anteriorly, with sides arcuate ; surface more 

 or less distinctly and quite densely punctate, alutaceous; pale with 

 two anterior spots, not close together and somewhat oblique, with 

 anterior ends approximate. Scutellum dark. Elytra broadly ob- 

 long oval, convex, with humeri not prominent and without intra- 

 humeral sulcus; surface alutaceous, somewhat shining, densely and 

 often cf rsely punctate; sutural, median, and submarginal vittae 

 only moderately wide, the submarginal uniting with sutural at apex. 

 Body beneath usually finely and densely pubescent, but in Arizona 

 specimens only sparsely pubescent; entirely pale, the apex of tibiae 

 and tarsi brown, and sometimes the middle of the anterior femora 

 with a brown marking. Length, 4.6 to 6.5 mm ; width, 2.6 to 3.2 mm. 



Type locality. — Arizona, collected by H. K. Morrison. 



Distribution. — Maine (Monmouth, Paris, Wales) ; Massachusetts 

 (Cliicopee, Maiden, Springfield) ; Connecticut (Meriden) ; Rhode 

 Island (Providence); New York; New Jersey (Anglesea, Boonton, 

 Troy Hill) ; Pennsjdvania (Frankford) ; Maryland (Odenton) ; Dis- 

 trict of Columbia; Virginia (Falls Church) ; Tennessee (Elmwood) ; 

 South Carolina (Clemson College) ; Illinois (Anna, Billets Station, 

 Bloomington, Champaign, Normal, Urbaiia) ; Iowa (Iowa City) ; 

 Missouri (Virgil City) ; Nebraska (Lincoln, Malcolm) ; Kansas 

 (Douglas County, Garden City, Onaga, Riley County, Topeka) ; 

 Texas (Alpine, Brownsville, Cypress Hills, Devils River, Sabinal, 

 San Antonio, San Diego) ; Arizona (Baboquivari Mountains, Co- 

 chise County, Douglas, Fort Grant, Gila County, Huachuca Moun- 

 tains, Nogales, Oak Creek Canyon, Palmerly, Pinal Mountains, 

 Santa Cruz County, Santa Rita Mountains, Sierra Anche) ; New 

 Mexico (Las Vegas) ; Manitoba (Aweme). 



Food plants. — Potato, Solanum tuberosurn (Blanchard) ; Russian- 

 thistle, Salsola pestifer (in New Mexico). 



Remarks. — The type series of this species consists of two specimens, 

 both females, in the Casey collection, which correspond with Casey's 

 precise description of arisonae. There is also a set in the National 

 Museum collection labeled "Arizona, Morrison ", which probably is 

 from the same series. Still another specimen of the same series in 

 the National Museum, mounted on a pin with a specimen of glabrata 



