300 STATE HORTICULTURAL SOCIETY. 



ail insecticide called Cannon's fruit protector, would all prove eflficieDt 

 remedies if systematically used, especially upon the youngs larvie. 



The observations of the past season upon the insect under con- 

 eideration have brought out the following peculiarities : The very late 

 hatching and dispersion of the young ; the unusual length of active 

 larval life; the occurrence of both sexes upon the leaves; the fact 

 that the females do not fix themselves until after impregnation ; and, 

 under certain not well-understood conditions, a very remarkable pre- 

 ponderance of males. 



The Linden Leaf-roller. — The only shade-tree pest of importance, 

 not observed in this locality previous to the past season, was the 

 above-named Pyralid {Pantographa limata Gr. & Rob.), This ap- 

 peared on both the native and European lindens ( Tila americana and 

 T. europcva) along the walks and on the lawns of many residents of 

 Kirkwood, and attracted general attention by the peculiar manner in 

 which it twisted the leaves. On the trees of the "Linden walk" in the 

 grounds of Mr. A. S. Mermod, the insect occurred in such numbers 

 that almost every third leaf, of the P]uropean lindens especially, was 

 thus rolled, and the trees reminded one of Christmas trees covered 

 ■with candles. 



The newly hatched larva begins its case by simply folding under a 

 bit of the edge of the leaf, severing the folded part at the end toward 

 the base, and feeding on the green tissue of the portion enclosed. 

 After the first molt it effects another roll, and by a series of stitch- 

 like bands of silk fastens it in place, and continues the process until 

 the entire leaf (of the European linden ) or the apical two-thirds of 

 our native species is included in the coil. During the day it feeds 

 sparingly upon the included portions of the leaf, but at night, when it 

 spins and folds, it also eats ragged holes in the adjacent leaves or 

 gnaws their edges. The nearly full grown larvte sometimes desert the 

 first case and form a fresh and very perfect one shortly before leaving 

 the tree for pupation. Within this case the larva rests in slovenly 

 fashion among a lot of sticky web and scattered frass. The larva and 

 its case are described by Prof. Fernald in the "Canadian Entomologist" 

 <vol. XVI, p. 26). 



In the specimens examined this summer the form was rather sub- 

 cylindrical than fusiform, and tapered only slightly posteriorly, and the 

 head and collar were more frequently brown than black. Prof. Fernald 

 also says: "While Jthe imago of Pantographa limata Gr. is a typical 

 Pyralid, the larva is so very much like Tortricid larvae, both in struc- 

 ture and habits, that I unhesitatingly referred it to the Tortricidte till 

 it emerged." This is true of the larvae after the last molt or just 



