June, 1907.] SCHAEFFER : New SCARAB^IDyE. 73 



lum are bright-green, but not as shining as in arhoricola. The hind 

 tarsal joints are slightly shorter and a little broader than those of 

 ai'boricola. 



Table of the species of Strigoderma. 



1. Front tibia; dentate, head coarsely rugosely punctate 2. 



Front tibia; not dentate, head sparsely punctate (size 4 mm) exigua Schwz. 



2. Hind tibire short and broad, about twice as long as wide at apex ; upper tooth 



of front tibia; large ; color variable, head and thorax cupreous or reneous, with 

 or without pale side margin, elytra dark brown to pale testaceous, in the latter 



the side margin often more or less dark latitibia n. sp. 



Hind tibire three times or more as long as wide at apex 3. 



3. Elytra with four or five distinct, more or less entire striae, those at sides con- 



fused, never distinct ; color reneous or cupreous, elytra pale, with scutellar 

 spot, an oblique median band on each side of middle and apex black, or black, 

 with circumscutellar spot and a few spots at apical third pale (size 5-5.6 mm. ) . 



pygmaea Fab. 

 Elytra with all the stria; distinct and entire, the umbonal striae sometimes con- 

 fused by a row of coarser punctures, the submarginal striae always distinct, en- 

 tire and deeply impressed (size 8 mm. or more) 4. 



4. Head thorax and scutellum bright green, side margin of thorax pale, feebly 



shining, elytra testaceous with suture greenish and a few of the intervals at 



sides blackish viridicollis n. sp. 



Head and thorax bluish-black or dull green, shining ; thorax more or less pale or 

 cupreous or aeneous at sides ; elytra testaceous, some of the intervals at sides 

 and suture more or less infuscated, sometimes all the intervals blackish. 



arboricola Fab. 

 Euphoria arizonica, new species. 



Black, abdomen, legs, antenna; and pygidium reddish; thorax, scutellum and elytra 

 opaque, fulvous, the former with abroad, black longitudinal mark on each side of middle, 

 elytra with suture, margins and a few irregular spots on the disk black. Head and 

 clypeus coarsely and densely punctate and with rather dense pale pubescence ; clypeus 

 as long as wide, slightly widening towards apex, side margins thickened, apex re- 

 flexed, emarginate at middle, angles rounded ; antennal club as long as the preceding 

 seven joints together. Thorax as wide at base as long, arcuate slightly before 

 middle, obliquely narrowing to apex, feebly diverging to base; hind angles rounded, 

 base slightly arcuate, emarginate-truncate at middle ; surface rather sparsely and 

 finely punctate on the disk, slightly denser at sides, each puncture bearing a short 

 pale hair. Scutellum impunctate. Elytra one and a half times as long as wide at 

 base ; feebly costate and rather sparsely punctate, each puncture bearing a short pale 

 hair. Pygidium feebly convex, rugose and rather densely clothed with pale hairs. 

 Front tibia; bidentate, the upper tooth very feeble. Metastermum at sides and femora 

 rather densely clothed with cinereous hairs, tibiae and abdomen more sparsely, the 

 latter rather sparsely punctate. Length 13 mm. 



Huachuca Mts., Arizona. 



By description the Mexican fiilveola must be very near arizonica, 



