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 ]
安装中文字典英文字典查询工具! 中文字典英文字典工具:
复制到剪贴板
英文字典中文字典相关资料:
ICE agent opens fire in New Jersey after being struck by vehicle, ICE . . . Fleeing suspect in New Jersey strikes ICE agent, who opens fire ICE agent in NJ hit by fleeing suspect in van, opens fire ICE agent shoots at vehicle after being struck by car, officials in New . . . ICE agent hit by van in Stafford Twp. , NJ, police say – NBC New York ICE agent struck by fleeing suspects car in New Jersey, shot fired News 12 | New Jersey | Ice Agent Injured After Being Struck By Vehicle . . . ICE agent shoots at fleeing vehicle in New Jersey after being hit by . . . ICE Agent Opens Fire After Being Struck by a Van During a New Jersey . . . ICE agent fires gun after being hit by vehicle in Ocean County, New . . .