Cross-transmission of a cytoplasmic-polyhedrosis virus of the pine caterpillar, Dendrolimus spectabilis, to other lepidopterous insect species

Cross-transmission tests of a cytoplasmic-polyhedrosis virus (CPV) of the pine caterpillar, Dendrolimus spectabilis, to other lepidopterous insect species were carried out in the present study. Dendrolimus CPV was infective to Scopelodes contracta, Clostera anastmosis orientalis, Malacosoma neustria testacea, Euproctis similis, Lymantria dispar japonica, and Dictyoploca japonica, whereas it was not infective to Spilarctia subcarnea, Pryeria sinica, Artona funeralis, Mamestra illoba, Spodoptera litura, Arcte coerulea, and Glyphodes pyloalis. The Dendrolimus CPV passed through Clostera larvae still retained the infectivity to the original host.