THE LOXG-HORXED WOOD-BORIXG BEETLES. 104 ^ 



cf. Elytra i-eiidish-bro\Aii. sometimes varying to blackisli ; legs of one 



color. 1934. CIXXAMOPTEEUS. 



66. Elytra bieolored. black, with marginal and discal stripes yellow. 



TRIVITTATUS. 



a-a. Third joint of antennae very little longer than fourth ; elytra black or 

 dark reddish-brown, tips obliquely emarginate and bidentate. 



1935. CTLIXDBICOLLIS. 



1933 (G23Si. TosoTis scHAtMn Lee. Journ. Phil. Acad. Xat. Sei.. I, ISoO. 

 320. 

 Elongate, robust, tapering behind. Male black, finely pubescent ; central 

 part of femora yellow ; female, body yellow except the tibiae, tarsi and an- 

 tenna?, which are black. Antennje with third joint elongate, fourth shorter 

 than fifth. Thorax narrowed in front, finely and sparsely punctured, sides 

 with acute tubercle. Elytra with humeral angles prominent, surface finely 

 rugose-punctate. Length 19-25 mm. 



Crawford Count}-; rare. ]May 10. 



1U34 (0245). ToxoTi s cixxamopteeus Rand., Bost. Journ. Xat Hist, II. 

 1S3'^. 45. 

 Elongate, slender. Pale reddish or cinnamon brown, densely clothed 

 with fine, silky pubesfeuce : head and thorax darker. Eyes large, promi- 

 nent, blackish. Antennte about as long as body, male ; two-thirds the length, 

 female. Thorax as in cijUnilricoUi^. the basal transverse impressed line 

 less strong. I^ength 10-13 mm. 



Southern two-thircls of Stat(i; scarce. ~Sh\\ 12--Juae 7. Occurs 

 on the foliage and flowers of various sliruhs. cspeciall.N' wahoo and 

 wild hydrangea. In two specimens the general color is dark red- 

 dish-brown. 



1935 (0243). ToxoTCs cylixdmcollis Say. Journ. Phil. Acad. Nat. Sei.. 

 III. 1823. 417; ibid. II. 100, 

 Form of scJmumii. Varies from dull lilackish, female, to reddish-brown, 

 male, densely clothed with silky pubesceuee: pro- and metasterna and an- 

 tennae, at least in part. reddish-bro«Ti ; legs and abdomen of male often 

 partly of same hue. Thorax cylindrical, wider at base, with two trans- 

 verse impressed lines, one near base, the other in front of middle, these 

 with a rather deep longitudinal groove between them ; sides swollen but not 

 tuberc-ulate. Length 17-22 mm. 



Putnam and Crawford counties: scarce. June 27-.July 10. A 

 pair were taken from hick(jry while nif'ting on the former date, the 

 male being wholly reddish-brown except the elytra, tibiae and tarsi. 



T. trivitfatiis Sa.v. length 15-17 mm., a member of the Transi- 

 tion life-zone, is recorded from northern Illinois. 



