Austin.] 10 [October 25, 



nal ones black, sparingly and finely punctured, underneath more 

 coarsely ; metasternum black, sparingly and rather coarsely punc- 

 tured. Femora red, sometimes darker at the apex; tibiae and tarsi 

 generally red, sometimes dark but never black. Length, .20 in. 

 Abundant in Eastern Mass., also in Mich. 



7. Psederus floridanus. 



Head black, orbicular, with a few smaller punctures, a small, not 

 very definite impression in front between the eyes, on each side. 

 Mouth parts dark; maxillary palpi red, with the apex of third joint 

 dark. Antenna? longer than the head and thorax, joints one to four 

 red, following ones darker, but not black, third joint twice as long as 

 the second, fourth one-third longer than the second, following joints 

 to tenth shorter and a little thicker, eighth to tenth not transverse, 

 eleventh nearly conical but little oblique. Thorax oval, sides less 

 rounded, angles all rounded; disk with two rows of punctures on each 

 side, and a few scattered punctures outside. Elytra blue, a third longer 

 than the thorax, sparingly and rather coarsely punctured. Abdomen, 

 four segments red, terminal black sparingly and finely punctate, 

 with hairs proceeding from the punctures ; metasternum black. Legs 

 red. Length, .2 2-. 24 in. Fla. 



8. Psederus nevadensis. 



Head black, orbicular, with numerous coarse punctures on the side, 

 which are densely placed opposite the eyes, forming a sort of fovea. 

 Mouth parts dark red ; apex of maxillary palpi black. Antennae 

 shorter than the head and thorax, much thickened externally, joints 

 one to three pale, except the apex of third, which is generally black, 

 following joints dark brown or black, terminal one sometimes a little 

 paler, third more than half longer than the second, fourth a little 

 longer than the second, following joints to tenth gradually shorter and 

 thicker, eighth to tenth transverse, eleventh obliquely acuminate. 

 Thorax red, sides rounded, narrowed behind, anterior angles strongly 

 rounded, hind angles less rounded, disk with two rows of punctures 

 on each side, and a few scattering ones outside, with scattered black 

 hairs. Elytra blue, shorter than the thorax, densely and coarsely 

 punctured and sparingly hairy. Abdomen with two terminal seg- 

 ments black, rest red, sparingly and moderately coarsely punctured; 

 metasternum black, sparingly and coarsely punctured. Femora red, 

 with the apex black. Tibiae and tarsi dark red to black. Length, 

 .20-.23 in. 



