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Ｈａ－ＤｐＣＰＶ对４～５龄马尾松毛虫有一定毒力，浓度与感染死亡率的相关性达到显著水平，致死中浓度ＬＣ５０为１．１５×１０４ＣＰＢ／ｍｌ．Ｈａ－ＤｐＣＰＶ与ＤｐＣＰＶ比较，其毒力没有下降。
Ha-DpCPV had certain virulence to 4th-5th-instar Dendrolimus punctatus, and the correlation between concentration and infection mortality reached a significant level. The LC50 of lethal medium was 1.15 × 104CPB / ml. Ha-DpCPV compared with DpCPV, its virulence did not decline.