V
t   i 4 p Bulletin N0. 231  
" to furnish them food. Dates at which beetles have bee11 col- ; 
, leeted and observed in Ke11tucky, n1a11y of them taken from  
specimens accumulated in the course of general collecting and  
without regard for the present study and comparison, are the  
following : j
DATES OF COLLECTING AND DBSERVTNG CYLLENE ROBINIAE  
ADULT IN KENTUCKY. _  
Step. 2, 1915, observed 011 S.-canadcusis.  
Sep. 14, 1889, 1914. Oct. 3, 1914—mated. Also  
* Sep. 15, 1914, 191.8. Oct. 3, 1891; also Oct. 3,  
Sep. 17, 1918. 1889; Oct. 3, 1901, abdt.;  1
Sep. 18, 1893. — 1915, at Corbin.  
Sep. 19, 1915-—mated ,  
Sep. 20, 1889. gel I?   -5 
Sep. 21, 1915. Ct' 1 ‘  
SGP 24 1889. Oct. 10, 1918 and 1919.  ;
Sep. 25, 1918, 1914. Oct- 11% 1911 ’ 
_ Sep. 26, 1892. Oct. 20, 1916. 1 
Sep. 28, 1891. 091- 21, 1893.  ,
Sep. 29, 1891, 1914. Oct. 22, 1915,  
Sep. 30, 1911. Oct. 23, 1916.  
Oct. 1, 1889. Oct. 28, 1916.  Q
° Oet. 2, 1914. Oct. 31, 1914——mated.  `—
  The diagram on page nine shows the periods of blooming  
  of Kentucky species of goldenrod upon which the locust bo1·er  
` F has been observed, or upo11 which it seems likely to feed. Sep-  
. tember, when the first beetles appear, is the month in which  
V most of these plants bloom, and the insect is thus assured fron1  
, the outset an abundance of forage. The diagram, however, Q
gives an appearance of a wealth and variety of food at this —_ 
time which the facts when sifted do not entirely warrant.  Z
' Solidago caesie, S. flemicaulis, S. carlzsii and S. crcelai are  if
woodland, or rare species upon which theinseets have not been  ;