1034 



FAMILY IJI. — CERAMBVCID.K. 



1911 (6171). (h-LLENE BOBINIiE Foi'st, Nov. Sp. IllS., 1771, 43. 



Itesciiilili-'S II if tils so closely that 

 only an expert can tell tliem apart. Tlie 

 characters given in the key are those 

 usually relied upon. The elytra are less 

 tapering and more broadly rounded at 

 apex, thus giving it a more robust appear- 

 ance, and the hind femora and antennse of 

 male are distinctly shorter than in -pictus. 

 Length 14-20 mm. (Fig. 439.) 



Throughout the State ; common. 

 .\ugust 21 -October 9. Occurs 

 abundantly in autumn on golden- 

 rod and about the trees of the 

 black locust ( h'uhiiiia). The wood 

 of this tree is often injured by the 

 lai-.^a, which is known as the "locust 

 borer. ' ' 



1912 (G172). CvLi.KM-; decorus oliv.. 

 Eut., IV. 1795, (•,:;. 

 Elongate, robust. Head black ; cly- 

 peus and a narrow transverse band be- 

 hind the eyes, yellow ; thorax yellow 

 with three short and narrow, black 

 crossbars; elytra black, the basal third, a band behind the middle and the 

 tips yellow; under surface yellow. Length H-1'0 mm. 



Kno.x County; rare. October 11. One specimen from near 

 the border of the tamarack swamp. A southern species, which in 

 Indiana reaches its most northern and eastern range. Our form is 

 the var. clinrus Say described from I'osey Cnnnty, Say's specimen 



Fig. 439. Female. X 21. ( Atter Hopkins in Cire. 

 No. 83. Bur. Ent. U. S. Dept. Agr.) 



being taken "near th'e end of August.' 



ll.'^. 



XXVIII. PLA.iioxoTrp Muls. 1S42. ((h\, "oblique + back.'" i 



This genus contains only a single bii-oc specie's, distinguished 

 from its alli(-s by the heaAder coinpresFU'd antenna.'. 

 191.3 (017:11. I'l A(iii)NOTi's KPECiosis i^ay, .\iiier. Kntoni.. 

 pi 5.3; iliid. 1, lis. 



lOloiiiiate. roliiist. Black; densely rlofhed with yel- 

 low ]iiihesecnce. Ibis covering the greater part of head 

 and forming two short oblique bands on each side of 

 thorax and five on elytra, arranged .is follows: one 

 forming an ai'di di\('rging from seutellum, behind this 

 a second \V-sba]ied band; ,i third nearly tr;insv<'rsi' 

 one across the middle; a foin-th ciu'ved each side fi-oni 

 the suture olili(iuely ))uckward and scp.iniled narrowly 

 from the fifth iind broadesi upon the apc.x. I^ength 

 23-25 mm. (Kig. 440.) 



Hb- 440. Natural nu 

 (After Saunders. , 



