1086 



FAMILY LII. — CERAMBYCIDiE. 



pubescence; antennfe shorter than body, annulate with gray and black. 

 Thorax and elytra rather coarsely and sparsely punctate, the punctures 

 showing as bare round dots. Length 9-15 nun. 



Kosciusko and Marshall counties; scarce. June 5- August 17. 

 Beaten from foliage of black oak. Occurs near lakes and possibly 

 breeds in willow. 





2003 (6489). Saperda concoloe Lee, Journ. Phil. Acad. Nat. Sci., II, 1852, 



163. 

 Elongate, slender, cylindrical. Black, evei'ywhere densely and evenly 

 clothed with fine, prostrate, gray pubescence ; antennae annulate. Thorax 

 and elytra rather finely and sparsely punctured, the latter with tips 

 rounded. Length 10-12 mm. 



Lake County; rare. June 16. Breeds in the stems of willow 

 {Salix longifoliwii Muhl.), and m the base of sapling poplars. 

 Probably occurs throughout the State. 



2004 ((i47S). Saperda cakarata Sny, Jouni. Thil. Acad. Nat. Sci., Ill, 



1S24, 408; ibid. II, 190. 



Elongate, rnliust, subc.ylindrical. Re(ldl^;h- 

 hrowii, densely clothed ^^•ith prostrate gray and 

 yeIlo\\' pubesceiioe. Front of head, tlu-ee stripes 

 on tboiax, scutellum and numerous lines and 

 blotches on elytra, orange j'ellow. Thorax sparse- 

 ly, elytra more closely, marked with small, 

 r(jund, black, bare dots or punctures. Length 

 21-30 mm. (Fig. 469.) 



Lake, Porter, Marion and Vigo coun- 

 ties, frequent; probably throughout the 

 State. May 31-July 16. This beetle, 

 known as the ' ' poplar borer, ' ' is our largest 

 member of Saperda. It breeds in cotton- 

 wood, quaking- ash, lombardy poplar and 

 other members of Popnlus, to which it often 

 does great damage. Three years are prob- 

 ably required to complete its life changes. 

 Where trees are badh- infested the most 



Fig. 469. (After Smith in Fifth'Rep. n-K,rir,nc, ci„.T,„ , n ■■ i -, -. 



n. s. Ent. Comm.) " oDvious sigus are the numerous blackened, 

 swollen scars along the surface of the 

 trunks and limbs. Sometimes these are open, and in early summer 

 • large quantities of borings are e.xpollcd from the inhabited gal- 

 leries, and frequently occur in c,,)nsid.M-al)le piles about the base of 

 the trees. It is im]5..ssible to attempt to control this insect on other 

 than valuable shade or park trees. In such situations, digging out 



