751 
No. 145.] 
whether this insect takes any nourishment after it arrives at its 
perfect state, Mr. Weter informs me that an orchard of young 
trees upon his farm had the smooth bark of the trunk and limbs 
punctured profusely, and that the sap exuded copiously from 
these punctures; and Mr. Robertson makes the same observation. 
It however is only those twigs and limbs which are badly 
wounded by the female in depositing her eggs, which perish and 
fall to the ground. But in this way extensive injury is often 
done. Mr. Thomas W. Morris speaks of having seen the tops of 
the forest trees in Pennsylvania and Ohio, for upwards of a hun¬ 
dred miles, appearing as if scorched by fire, a month after this 
locust had left them. (Horticulturist, vol. ii, p. 17.) Many of 
the wounded limbs, however, survive the injury which they 
receive. 
The E009 of the locust arc 0.08 long and 0.06 in diameter. They are of an oval 
form, rounded at each end, and of a white color. Statements are very coi dieting as 
to the length of time that elapses after the eggs are deposited before they hatch, 
some saying it is but a fortnight, others that it is six or seven weeks. 
The young larva, when it batches from the egg is but 0.06 in length, and of a 
yellowish-white color, clothed with tine hairs, its eyes and the claws of its fore legs 
being tinged with red. It has six legs, of which the anterior pair is much the 
largest, resem’ling the claws of the lobster, and armed on the under side with 
strong spines. It is quite active and lively in its motions, and drops itself from the 
limb to the ground, in which it immediately buries itself by means of its fore legs, 
which aro admirably adapted for digging. 
The rEREECT insect varies from an inch and a half to nearly an inch and three- 
quarters in length, to the tips of its closed wings, and when these are spread, they 
measure from two inches and a half to three and a quarter across. It is of a coal 
black color, marked with bright orange yellow as follows—upon the transverse and 
oblique raised lines at the base of the thorax, a large spot on each side of the thorax 
forward of the wings, the whole under side of the abdomen in the males, but only 
the posterior margins of the segments in the females, the veins of the wings, the beak 
and the legs. Varieties occur having the feet black, the shanks marked with black 
towards their bases, this color either occupying the whole outer side, or merely form¬ 
ing a stripe on their anterior , side. The anterior thighs are also black along their 
Inner edge, including the spines which arise from this edgo. The four hind thighs 
often have a black stripe along their posterior sides. The angular edges of the ante¬ 
rior hips are also black. There is commonly a small dull white spot in the groove on 
the middle of the head, behind the small simple eyes. The veins of the wings are 
margined each side by a slender black line; they become dusky at their tips, and the 
oblique vein, parallel with the apical margin, is black, and is margined with smoky. 
