天幕毛虫

[ noun ]
the larvae of moths that build and live in communal silken webs in orchard and shade trees
<noun.animal>

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}.