舞毒蛾还会受到核多角体病毒或萎蔫病的攻击，在毛虫爆发的年代，这是一种特别重要的杀手。

The gypsy moth is also subject to attack by the nucleopolyhedrosis virus, or wilt disease, a particularly important killer of the caterpillars in outbreak years.

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然而，在以白杨等树为主的林分，最初的舞毒蛾爆发很快就被病毒流行病所抑制。

In stands dominated by trees such as aspen, however, incipient gypsy moth outbreaks are quickly suppressed by viral epidemics.

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