530 INJURIOUS AND BENEFICIAL INSECTS. 
struggling to escape; on taking up the May beetle a large hole 
had been eaten into its side disclosing the viscera. 
Occasionally the beetles appear in immense numbers. Tt is 
then the duty of the agriculturist to pick them off the trees and 
burn them. If the French take the pains to practise hand- 
picking, as in one instance ‘about eighty millions were collected 
and destroyed in a single portion of the lower Seine” (Riley), 
our gardeners can afford to take similar pains. 
A description of the May beetle is scarcely necessary. The ad- 
mirable figure, taken from Harris’ work (fig. 138), gives a good 
Fig. 188. idea of its appearance 
and size. It is bay 
colored, or chestnut 
and brown, with yel- 
lowish hairs beneath, 
and is nearly an inch 
in length. Its scien- 
tific name is Lachno- 
sterna fusca, Or, liter- 
ally translated, the 
brown woolly-breasted 
beetle. The pupa is 
white. 
The Goldsmith Bee- 
tle.—We also have in 
May Beetle and yari: Ei this state an insect 
allied to the preceding, and with much the same habits, both in 
the adult and preparatory states. It is Fig. 139. 
the Cotalpa lanigera (fig. 139). It is 
nearly an inch in length, bright yellow 
above, with a golden metallic lustre on 
the head and thorax, while the under 
side of the body is copper-colored, and 
densely covered with white hairs. 
Dr. Harris says that it is very common 
in this state, remarking that it begins 
to appear in Massachusetts about the 
middle of May, and continues generally Goldsmith Beetle. 
till the twentieth of June. ‘In the morning and evening twilight 
a 
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