24 
A 
the stria? running in a waving transverse direction. The mouth organ 
appear to he reduced to their minimum of development. The only par 
visible, externally, is a minute papilla, on each side of which are tw« 
bristles, the inner of which is stouter, tapering to an acute point, am 
curved inwards, or towards its fellow of the opposite side. They diffe 
from the majority of acarides in having but six legs, and these, being o 
but little use in so stationary a creature, are short and slender, projecting 
but little beyond the outline of the body. They are six-jointed, garnishe< 
with short stiff bristles, and terminate in two slender curved hooks. The an 
terior and middle legs are closely approximate and situated near the anterio 
extremity of the body; the posterior are set a little nearer to each other 
and a little in advance of the middle of the body, being inserted at th 
posterior part of the anterior division or lobe. Four hairs project fron 
the posterior extremity of the body.” 
Found on under side of basal half of hind wings, apparently adhering h 
mouth. Recent diminution of numbers of grasshoppers attributed to it 
Infests several species. 
Notes of the Season. (2d Ann. Rep. State Ent. Ill. [third of the series], pn 
159-1(16. 
The Lesser Apple Leaf-Folder.—Fears of its increase not realized 
Traces of damage by the spring brood are found, but second brood seem 
ingly abortive. 
Oyster-Shell Bark L use.—Greasing over the scales of this insect is fata 
to the eggs beneath. Experiments made with lard, kerosene, and linseec 
oil to determine effect on the tree. Lard and linseed oil produced n< 
effect. Kerosene damaged the first buds, but by July 5 no different 
could be seen in the quantity and healthiness of the foliage on the treatec 
trees and on others. 
The Pine Leaf Scale-Insect.— Natural history treated in first report 
Referred to now to add observations on time of hatching of first brood 
Eggs were generally found hatched on 25th of May, but not so early a> 
the 10th. Found only on the lowest branches, hence cutting off and burn 
ing these will aid in destroying them. 
The Colorado Potato Beetle.—Appeared in Spring in greater number.' 
than ever before, but by July reports became more favorable, and a toler 
able crop of potatoes was raised. This change is attributed in part t( 
hand picking, the use of Paris green, and the increase of natural enemies 
especially Anna spinosa and Hippodamia maculata. Squires's machine foi 
capturing potato beetles described at length and figured. 
The White Grub; The Colorado Potato Beetle; The Peach Boot Borer; and th 
Apple Curculio. (Prairie Farmer, May 11, 1872, v. 43, p. -.) 
Publishes notes from Prof. Burrill, of the Industrial University, oi 
white grub. Colorado potato beetle, and peach borer, and comments on 
each. Rolling and mauling as a measure to destroy the white grub coul< 
be used only on grasses, the rolling of doubtful benefit. Swine and duck 
hunt them assiduously. Colorado potato beetles winter as adults in the earth 
and sheltered places. Peach root borers are usually destroyed by removing 
the surface soil and scraping the affected parts with a hoe. The use oi 
hot water and mounding suggested. 
The Apple Curculio received from Springfield, found in an apple, where 
it was hibernating. 
The Sap-sucker. (Prairie Farmer, June 1, 1872, v. 43, p. -.) 
Mr. A. C. Hammond, of Warsaw, writes that borers are almost uni¬ 
formly gone from his apple-trees where the perforations of this bird occur, 
and that he has often seen them catching codling moths from fences, etc., 
and under apple bark. LeBaron mentions the two species [?] known as 
sap-sucker, and describes the work. Their purpose cannot be to secure 
the sap, as they work in the fall and on evergreens. The insect theory 
is still more improbable, and the best explanation is that they feed oh 
the tender sap wood. They do not usually injure the tree. Both species 
