Circular No. 145. issucl March -Ji. T.n 2. 



United States Department of Agriculture, 



BUREAU OF ENTOMOLOGY. 

 L. O. HOWARD, Entomologist and Chief of Bureau. 



THE LARGER t ANNA LEAF-ROLLER. 



(Caliioflcs (ililiiis Crnni.) 



I>y F. II. ("niTTKNDKN, Sc I)., 

 //; CJidif/c of Tnick Crop uikJ Stored Product Insect I nresfif/itfions. 



KECEXT INJURY AND METHOD OF ATTACK. 



Durino- the yetir 1011 the leaf-rollin«>- caterpill;ir of Calpodes 

 ethlius Cram, attracted considerable attention from its abundance in 

 most of the public parks in the District of Columbia, and at West 

 Grove. Pa.; Xorfolk. Va.; West Raleigh, X. C. : :\remphis. Tenn.; 

 Clinton. Miss.; Birmingham. Ala.: and Orlando. Fla. Tn earlier 

 years it has ravaged fields of canua in ]iortions of South Carolina 

 and Alabama. 



Tn September. 11)04. a lot of specimens was received from Air. 

 L. H. Read, Frnitdale. Ala., who wrote that thousands of the cater- 

 pillars were in the fields and that hand-picking was out of the 

 question. All bronze varieties of canna were injured, including 8 

 or 10 Aarieties. Among tiiosc most attacked were ^Mississippi, ^Nlont 

 Blanc. Explorateur Crampbell, and Italia. A few green varieties 

 "were somewhat a fleet cd. i)ut as a ride were scarcely touched, ob- 

 viously owing to their thicker and tougher leaves. The cater])illar 

 ■was observed at work only at night. The same year the species was 

 observed somewhat al)undantly at r)aton Tiouge. La., by Prof. .V. L. 

 Quaintance, and sparingly at New Orleans. La.. l)y Ihof. K. S. G. 

 Titus. Although only a few instances of severe injury are cited, 

 these are doubtless mereh' representatives of many which Avere not 

 reported. 



August 27. 11)05. the writer observed considerable injury by this 

 caterpillar to many of the decorative canna growing on the jirounds 

 of the Department of Agricultu.re at Washington, D. C., and aftei-- 



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