Tue PsELAPHIDA oF NorTH AMERICA. a7 
Frontal fovea normal. ¢ antenne in some specimens with the 
4thfeent joint very small, triangular, fifth more than twice as 
wide as the first, transverse, hemispherical or cup-shaped, 
sixth of the same form but a little smaller, seventh to ninth 
subequal, smaller of the sathe shape, tenth as large as, and 
like the sixth, the last obovate and as wide as the tenth. In 
others the fourth joint is larger, the fifth only one-half wider 
than the first, sixth to ninth a little narrower, tenth and 
eleventh in proportion. The posterior tibiz are more or less 
flattened. Two forms are recognized by authors. Elytra 
more red; Washington, Idaho, Vancouver’s Island, British Pa 
Columbia. - - - - - - - albiiica. 298 
Elytra usually darker. Manitoba, Canada, and adjoining 
regions. - - - - - - - propingua. 298 
22 Orange or ferruginous. 
Dark red, elytra red, antennz and legs paler, prothorax and 
elytra minutely feebly punctuate, foveee very small impres- 
sed on the sides. ¢ antennz-with joints two and five equal, 
larger, fourth and eighth smallest, sixth to ninth subequal, 
decreasing in size and obliquely truncate. Eleventh obliquely 
pointed. Length 1.4 mm. - - - - znformts, 299 
Ferruginous fover very small, length 1.2 mm. (9) - subtilis. — 
(Unknown to us—perhaps identical with zz/formis.) 
Piceous elytra red, legs ard antenne darker, punctulate, male 
antenne with joints one to three obconical, decreasing in 
size, fourth to seventh transverse, differently formed, increas- 
ing in width, the seventh widest. Eighth joint transverse, 
equal to the fifth. Ninth joint equal to the second, obconical 
like the tenth; eleventh long, Length, 1.2 mm. fumidecornis.— 
Red, elytra, and legs paler, impunctate. ¢ antenne with the fourth 
joint four times wider than long, fifth and sixth gradually 
narrower, seventh equal to the first, eighth smallest, quadrate. 
The remaining three joints gradually increase in size, the 
ninth and tenth being obconical, the eleventh long. Length, 
idl, 1.4 mm. - - - - - eae | he -  tumorosa.— 
Frontal fovea normal, ($7) antenne with the fifth and sixth joints 
stouter, elongate oval, ninth and tenth nearly as wide as the 
last joint. Hind tibiz curved and flattened. May be identical 
with tumda. . - - - - - complectens, ~— 
~12 Frontal fovea at the bottom of a transverse impression; in the male it is 
very minute or entirely wanting. 
Elytra and prothorax deusely punctured, pubescence long, dorsal 
lines convergent, basal abdominal carinz not visible, anten- 
nz stout; in the ¢ the joints sixth to eighth are narrower 
than the fourth and fifth. Color, light brown, iegs paler. 
Length, 1.2mm. California. - - - - compar. B01 
