INSECTS INJURIOUS TO THE POTATO. 
Explanation of figures.— a,a, eggs; b,b, larvae; c, pupa; d, beetle of the natural s 
e, wing-case magnified; f, leg magnified. 
THE COLORADO POTATO BEETLE. 
( Doryphora, 10-lineata, Say.) 
Order of COLEOPTERA. Family of Chrysomelidjs. 
Walsh’s and Shimer’s articles in the Practical Entomologist, vols. 1 and 2; Riley’s 
1st Missouri Report, page 101. 
This insect does not need to be described. We all know the 
creature, alas! too well. Though one of our most recent acquisi¬ 
tions in' the line of practical entomology, having been known m 
this State only for a period of six years, yet it is so unceremonious 
in its visitations, and so free and easy in its manners, alter it has 
arrived, that we have already come to regard it as an old acquaint¬ 
ance. As such we have everywhere extended to it a warm recep- 
