7*
y Spraying Apple Trees. . 19
the head, one each side of_the first (prothoracic) division of the
body at the anterior margin, the others, one at each side of the
· division (mesothorax) next following.
The brown head and body are seen through a magnifier to be
fiecked with white. The four anterior pairs of fleshy legs are black
at the tips.
When grown, the larva makes a slight silken cocoon about the
l leaf and changes to a brown pupa, a trifle shorter than the fully
grown larva, the head end with a rounded prominence, the oppo-
site extremity terminating in two curved hooks.
The adult is a slate—gray moth, measuring from tip to tip of
V the outstretched wings just about one-half inch. The very con-
spicuous markings are two relatively large white marks on the fore
wings, one forming a complete cross line between the basal and
middle thirds of the wing, the second, at the beginning of the
outer third of the wing. is triangular in general shape and arises
on the front margin and contracts inwards to a point well within
the hind margin. The hind wings are paler and unmarked, but
become darker toward the margin.
Adults emerged rapidly August 6, 1901, from larvae brought
to the Vivarium of the Station. They fly very actively when dis-
turbed, but at other times stand rigid in sphinx-like attitudes on
twigs and leaves, apparently depending on their peculiar shape and A
obscure colors for escaping detection.
Several broods appear to develop during the summer. They
have been noted as most common during August and September,
{MPS butrlarvae have been observed in May and June. l
.l`he insect is not difficult of control if taken in good season.
‘Either Paris green or arsenale of lead will kill it when applied as
a spray.
A PPLE LEAF-CRUMPLER.
(Mincolrt Ti’l7,d’l·[]07L(’Zld> .
The Leaf-Crumpler is not often observed in Kentucky
during the summer, although it is everywhere a common
insect. When the leaves are gone. the little tufts of
dried up leaves attached to the silken case in which the