4'>h FAMILY XI. — ST Vl'll YI.INin.lC. 



KEY TO GENERA OF PHLUiOCHAKIN^E. 



(/. Tlioi-ax not cariuate; maxillary palpi filiform; mandibles simple. 



Olisth.erl's. 



aa. Thorax witli four carime; maxillary palpi, awl-sbaped; mandibles 



toothed. PsEUDOPSis. 



Pseudopsis columUca Fanv.. reddisli-browii, 2.5-3.5 mm. in 

 length has been taken in numbers near Detroit. 



Subfamily VII. EUAESTHETINAE. 



Small, rather slender species having: the antenna; inserted l)ef()re 

 the eyes at the base of the labnim ; tarsi four-jointed ; eyes moderate 

 in size, convex, coarsely granulated, located very close to the base of 

 head; labrum usually denticulate in front; antenna', mouth parts 

 and thorax much as in the subfamily Steninre. Three genera repre- 

 sent the subfamily in the United States. Specimens of but one of 

 these have been taken in Indiana, though those of the others may 

 occur. The only paper treating of the subfamily is by : 



Casey. — •' 'Contributions to tlie Dcsci'iptive and Systematic Cole- 

 optei-ology of the United States," Part J, 1884 (published 

 privately). The genera Eiiastliclus and Kdaphas are treated 

 on p]). US-31. 



KEY TO GENEKA OF EUyESTlIETINA<:. 



a. Abdomen margined. 



b. Labrum with a row of comb-like teeth in front; head between the 

 eyes convex; thorax without fovea near base; first dorsal segment 

 of abdomen without a carina. LXTX. Eu/esthetus. 



hh. Lnbrnni without teeth; head bi-impressed lietween the eyes; thorax 

 with several deep fovete along the base; first dorsal with a median 

 carina. Edaphus. 



itn. .\l)(l(iuien not margined. Stictocranius. 



I.XTX. Ur.v;sTiiKTi'S (Jrav. lS()(i. f(!r.. "easily perceived.") 



'I'cn species oF Ihis liciius arc lisb'd hy (-asey, h>c. cil.: nine; of 

 \\!ii( li iic dcscfilx's as new. Two of !lic !cn have hccii lakcn in liic 

 Slate. 



KEY TO INDIANA SPECIES OF EU.ESTHETl'S. 



(I. Elytral suture dislin<'tly shorter than tiiorax; color pale reddish-brown; 

 length 1 1.2 mm. 886. florid.e. 



aa. Elytral suture as long as thorax; color piceous; length 1.2-1.5 mm. 



887. AMERICANUS. 



886 (2474). EU/TSSThetis fi.orid.e Casey, Contrib. Coleop., I, 1884, 21. 



Elongate, slendci-. Pale reddish-l»rown ; finely and sparsely pubescent. 

 Head slightly wider tiian long, rather coarsely, not closely punctate. Tho- 



