Vic. 54. Ilndena fractilinea, adult. 

 Slightly enlarged. 



78 



//. jradilincd and //. miscni wrro l)ro(l from larva' reported 

 to be common and destructive to corn in nortlierii ( )lno. The 

 fields infested were mostly timothy sod, plowed in sprinti;, some 

 early and some late. Corn on fall-plowed land was affected only at 

 * ihv, margins; that on clover land, but 



little or not at all. Instead of entering 

 fesr^^'^'^'l?'*if^Sli the stalk from beneath, these caterpil- 

 ^ir V: ''=^f'' lars ascend tiie jjlants and burrow down 



through the heart to about the })oint of 

 entrance of the prece<Hng species. If the 

 plant be only a few inches high the\' may 

 enter the tubular opening formed by the 

 innermost leaf; but if it ])e older and 

 tougher, they will eat downward along 

 the edges of a leaf until more tender tissues are reached within the 

 plant. 



The larvie of dipdta were first seen May 2S. l)ut had appaivntly l)een 

 active for the greater part of the month. They continued to feed 

 throughout June, pupated in July, and emerged on the 25th of that 

 month. Our specimens of the adult have been taken .July 29. August 

 3, 4, and 7, and September 4. (iillette took the moths in Iowa from 

 July 25 to August 13. Beutenmiiller says that the moth flies in July 

 and August. The larva> of the other two species occun-ed in June, and 

 gave moths in late July and early August. Cloths of [radii inca (Fig. 54) 

 have been collected from June to September, most al>undantly in 

 August, and those of miscra in August. The species are presumably all 

 single-brooded. 



The moths are not conunon in collections, a fact perhaps due to their 

 alertness and habits of concealment, as illustrated by fractilinea. 

 II. stipata is known to range from Maine to Colorado; fractilinea has 

 been taken from Canada and Maine to New Jersey, Ohio, and New 

 Mexico; and misera, in New York, Ohio, Illinois, Wisconsin, Minnesota, 

 and Colorado. 



HKLOTROPHA RENIF0RMI8 ATRA (luori;. 



The title of this s]XH'ies to appear in a list of corn insects rests upon 

 a note published by Professor A. J. Cook, of Michigan, in tiie agricul- 

 tural report .of his state for 1888 (page 16()). In this report it ap|)ears 

 that, acting as a corn stalk-l)orer, this cutwormlike caterpillar damaged 

 sonie corn quite seriously for at least two successive seasons in several 

 counties of northern ^Michigan. It is said to l)e striped much like a 

 cutworm, gray, and marked with darker lines. 



This is a northern species, occurring in the middle and ciMitral states, 



