PRACTICAL PAPERS—COLORADO POTATO BUG. 341 
southerly latitudes, are common throughout the western states. 
Most, if not all of them, prey indifferently upon the Colorado 
larvae and the perfect insect produced from it; but, as this arti¬ 
cle has already been extended to an undue length, we shall 
not dilate upon the habits of each of them, but shall content, 
ourselves with giving figures, by which they may for the fu¬ 
ture be recognized without much difficulty. There are ten or 
Fig. 56. 
•Colors—Dark metallic greeu 
with brown legs. 
Fig. 57. 
Colors—Black, with coppery 
dots. 
Fig. 58. 
Fig. 59. 
Colors—Black, edged with blue. Color—Dull black: 
twelve other beetles, mostly of small size, which have the 
same habits as the above; but, as they would not be readily 
identified from an uncolored drawing, we omit them for the 
nresent. 
In many parts of the west the potato beetle is being kept in 
due check by its cannibal and parasitic enemies, which are 
still increasing. Thus we learn from many sources that in 
Iowa and Kansas it is not nearly so injurious as it formerly 
was, while in some parts of Illinois and Missouri it has also 
