TITE OEOT^ND BEF/l'LES. 151 



XLV. .Metabletus Sch.-Goeb. 1846. ^Gr., "chanoeable.") 

 Represented in tho United States by a single small, oblong black 



beetle having the ligiila elongate-oval with five short setie in front, 



thor-ax slightly lobed at base, mentuni with a small tooth notched at 



apex. 



26(j (914). Metabletus americanus Dej.. Spec. V. 1829. 361. 



Rather slender, subdepressed. Uniform black, sbiulnji. 'I'lKjrax nearly 



twice as wide as long, narrowed behind ; median line distinct, deep ; margin 



very narrow, hind angles distinct, not prominent. Elytral strins very faint. 



not punctured. Length 3.5 mm. 



Lake C(mnty ; rare. May 14. Taken from beneath bark of 



pine. Eesein])les lilfchnis nigrhivs in form and size. A member 



of the boreal fauna. 



XLVI. AxiNOPALPUS Lee. 1848. (Gr., "ax + palpus.") 

 Very small beetles having the mentnm emarginate, distinctly 

 toothed; labial palpi tMek, the last joint oval; maxillary palpi long 

 and slender, the last .joint cylindrical and acutely prolonged at tip. 

 One species occurs in Indiana. 



207 (915). AxiNOPALPUS mPLAOiATUs Dej.. Spec. I, 182.j. 243. 



Rather broad, subdepressed. Piceous. shining; antenn.ne dusky, paler 

 at base; legs and an oblique stripe, extending from humerus to middle of 

 elytra, pale yellow. Thorax less than twice as wide as long, slightly cor- 

 date; sides curved, sinuate near the hind angles, which are rectangular; 

 median impressed line distinct, entire. Elytra faintly striate on middle of 

 disk. Length 3 mm. 



Lake. Marshall and INTarion counties; scarce. June 24-Novem- 

 ber 23. Occurs beneath bark in damp localities. 



XLVIL Callida Dej. 1825. (Gr.. "beautiful.") 

 Small elongate beetles, usually of bright metallic colors and in 

 our species having the upper side of tarsi convex, not sulcate or im= 

 pressed. One species has been taken in Indiana, while another 

 should occur. 



KEY TO INDIANA SPECIES OF CALIJDA. 



a. Body above bicolored ; thorax red. elytra blue or green. 



268. PUNCTATA. 



(Id. Body bright blue or green; elytra not longer than head and thorax, 

 their strisie tine, intervals fiat. purpurea. 



268 (923). Callida punctata Lee. Ann. Lye. Nat. Hist., IV, 1848, 189. 



Elongate, narrow, convex. Head usually dark blue; thorax reddish- 

 yellow ; elytra bright green : legs yellow, the tips of the femora and tarsi 



