Abstract
The nuclear polyhedra isolated from larvae of the nymphalid species Aglais urticae, Nymphalis io, Pyrameis atalanta, and Polygonia c-album were found to be morphologically identical, and the virus rods, liberated from them by alkaline dissolution of the polyhedra, were serologically identical when compared using the complement-fixation test. The nuclear polyhedra isolated from the larvae of the lymantriid species Porthetria dispar and Porthetria obfuscata, were morphologically identical, and their liberated virus rods serologically identical. They were morphologically and serologically distinct from the nuclear polyhedra isolated from the lymantriid species Euproctis chrysorrhoea and from the nymphalid nuclear polyhedra. The granulosis viruses isolated from Pieris brassicae, Pieris rapae from Great Britain, Pieris rapae from the USA, and Pieris napi had morphologically similar inclusion bodies and virus particles. The liberated virus particles were serologically identical when compared using the complement fixation test and only very distantly related to the nuclear polyhedrosis liberated virus particles.
Published Version
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