34 BULLETIN 1103, U. S. DEPARTMENT OF AGRICULTURE. 











L V 



w 



/ / w j- 









v \ / **• 







~^T 



^"V y 1 • • • 

 \ f • / * • • 1 

 1 i • / * * 1 

 i j » \ • 



• 

 • 





Fig. 16. — Geographical distribution of the Mexican bean beetle in the United States : 

 Solid-colored area, known to have been infested in 1920 ; shaded area, known to have 

 been infested in 1921 ; black dots, localities from literature. 



Table 8. — Monthly departures from normal temperature and rainfall from 

 September, 1920. to September, 1921, inclusive, in the region infested by the 

 Mexican bean beetle. 



DEPARTURES (IN DEGREES FAHRENHEIT) FROM NORMAL TEMPERATURE. 





1920 1921 





Sept. 



Oct. 



Nov. Dec. Jan. Feb. Mar. Apr. May. June. July. Aug. Sept. 



I ; . 1 1 ! : : 



Alabama 



Georgia 



Tennessee 



South Carolina 



North Carolina 



to; 



Regional mean 



+ 1.7 

 + 1.5 

 + 1.3 



til 



+0.4 



-.2 



+2.1 



+.5 

 +1.2 



-2.9 

 -1.6 

 -2.4 



--ii 



1 ' ; 

 -1.0 +4.1 +3.4 +7.7 -0.8 -0.7 +2.9 +1.5 +0.9 +6.2 



+ .2 1 +3.1 +3.9 +7.7 +.2 -1.9 +2.0 -.2 -.2 +6.2 

 +1.5 +4.3 +5.1+10.0 +.9 -.3+3.8 +2.9 +.4 +6.6 



-.2 +1.3 +2.4 +7.5J +1.0 -3.1 +1.7 -.2 -.6 +5.8 

 + 1.3 +1.4 +3.2 +8.9 +2.6 -2.8 +1.8 +1.1 -.3 +6.6 



+ ..e + .s 



-1.7 



+.4! +2.8 +3.6 +8.3 +.8, -1.7. +2.4 +1.0 +.0 +6.3 



1 1 II 



DEPARTURES (IN INCHES) FROM NORMAL RAINFALL. 



Alabama 



Georgia 



1 1 i " ' 



-0. 71 -1. 54 +0. 07 +2. 92!—l. 65 +0. 04 -0. 9 i| +2. 05 -1. 96-2. 18 -0. 34 -0. 48 -0. 76 

 +.0,-1.87+1.12+1.31; -.96 -.54-3.21 -.22 +.72-2.00+1.13 -.95-1.44 



Tennessee 



+ .85-1.60 -.72 +.311-1.56+1.21 +.09 +.46-1.78-1.66 +.15+1.50+1.33 



South Carolina 



North Carolina 



+ 1.48 

 +.95 



TT2 



-2.29+1.34 +.60, +.39 +.37 -1.58 -.48 +1.79 -2.08 +1. 50 -1.94 -.51 

 -2.54+2.33+1.93 +.45 +.22-1.50 +.51 +.41-2.08 -.57-2.45-1.03 



Regional mean 



-1.96 +.82+1.41 -.66 +.26-1.42 +.46 -.16-2.00 +.37-1.26 -.48 



1 . 1 . 1 1 



SWEET-POTATO WEEVIL. 



(Cylas formicarius Fab.) 7 



The sweet-potato weevil is known to occur in all of the Gulf States 

 and the southern part of Georgia. East of the Mississippi River the 



7 From report submitted by F. H. Chittenden and others, Bureau of Entomology. 



