结网虫

[ noun ]
several gregarious moth larvae that spin webs over foliage on which they feed
<noun.animal>

Webworm \Web"worm`\, n. (Zo["o]l.)
Any one of various species of moths whose gregarious larv[ae]
eat the leaves of trees, and construct a large web to which
they retreat when not feeding.

Note: The most destructive webworms belong to the family
{Bombycid[ae]}, as the fall webworm ({Hyphantria
textor}), which feeds on various fruit and forest
trees, and the common tent caterpillar, which feeds on
various fruit trees (see {Tent caterpillar}, under
{Tent}.) The grapevine webworm is the larva of a
geometrid moth (see {Vine inchworm}, under {Vine}).

Tent \Tent\, n. [OE. tente, F. tente, LL. tenta, fr. L. tendere,
tentum, to stretch. See {Tend} to move, and cf. {Tent} a roll
of lint.]
1. A pavilion or portable lodge consisting of skins, canvas,
or some strong cloth, stretched and sustained by poles, --
used for sheltering persons from the weather, especially
soldiers in camp.

Within his tent, large as is a barn. --Chaucer.

2. (Her.) The representation of a tent used as a bearing.

{Tent bed}, a high-post bedstead curtained with a tentlike
canopy.

{Tent caterpillar} (Zo["o]l.), any one of several species of
gregarious caterpillars which construct on trees large
silken webs into which they retreat when at rest. Some of
the species are very destructive to fruit trees. The most
common American species is the larva of a bombycid moth
({Clisiocampa Americana}). Called also {lackery
caterpillar}, and {webworm}.