cankerworm
n . 尺蠖
尺蠖
cankerworm n 1 :
green caterpillar of a geometrid moth ;
pest of various fruit and shade trees Dropworm \
Drop "
worm `\ (
dr [
o ^]
p "
w [^
u ]
rm `),
n . (
Zool .)
The larva of any geometrid moth ,
which drops from trees by means of a thread of silk ,
as the {
cankerworm }
or {
inchworm }.
See {
inchworm }
and {
geometrid }.
[
1913 Webster ]
Cankerworm \
Can "
ker *
worm `\,
n . (
Zool .)
The larva of two species of geometrid moths which are very injurious to fruit and shade trees by eating ,
and often entirely destroying ,
the foliage .
Other similar larv [
ae ]
are also called cankerworms .
[
1913 Webster ]
Note :
The autumnal species ({
Anisopteryx pometaria })
becomes adult late in autumn (
after frosts )
and in winter .
The spring species ({
Anisopteryx vernata })
remains in the ground through the winter ,
and matures in early spring .
Both have winged males and wingless females .
The larv [
ae ]
are similar in appearance and habits ,
and belong to the family of measuring worms or spanworms .
These larv [
ae ]
hatch from the eggs when the leaves begin to expand in spring .
[
1913 Webster ]
Caterpillar \
Cat "
er *
pil `
lar \,
n . [
OE .
catyrpel ,
corrupted fr .
OF .
chatepelouse ,
or cate pelue ,
fr .
chate ,
F .
chatte ,
she -
cat ,
fem .
of chat ,
L .
catus L .
pilosus hairy ,
or F .
pelu hairy ,
fr .
L .
pilus hair .
See {
Cat },
and {
Pile }
hair .]
1 . (
Zool .)
The larval state of a butterfly or any lepidopterous insect ;
sometimes ,
but less commonly ,
the larval state of other insects ,
as the sawflies ,
which are also called false caterpillars .
The true caterpillars have three pairs of true legs ,
and several pairs of abdominal fleshy legs (
prolegs )
armed with hooks .
Some are hairy ,
others naked .
They usually feed on leaves ,
fruit ,
and succulent vegetables ,
being often very destructive ,
Many of them are popularly called worms ,
as the {
cutworm },
{
cankerworm }, {
army worm }, {
cotton worm }, {
silkworm }.
[
1913 Webster ]
2 . (
Bot .)
A plant of the genus {
Scorpiurus },
with pods resembling caterpillars .
[
1913 Webster ]
{
Caterpillar catcher },
or {
Caterpillar eater } (
Zool .),
a bird belonging to the family of Shrikes ,
which feeds on caterpillars .
The name is also given to several other birds .
{
Caterpillar hunter } (
Zool .),
any species of beetles of the genus {
Callosoma }
and other allied genera of the family {
Carabid [
ae ]}
which feed habitually upon caterpillars .
[
1913 Webster ]
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