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Studies on the pathology of a baculovirus in Aedes triseriatus

, : Studies on the pathology of a baculovirus in Aedes triseriatus. Journal of Invertebrate Pathology 20(1): 14-21

The pathology of a baculovirus in Aedes triseriatus (Say) was studied. The virus infected the cardia, gastric caeca, and the entire stomach of larval mid-gut epithelium. The progression of the disease was similar to that of other baculoviruses of the nuclear polyhedrosis virus type. Rod-shaped nucleocapsids were formed within a Feulgen-positive virogenic stroma and along the nuclear envelope. These nucleocapsids were enveloped by a membranous material and occluded randomly in small irregular and polyhedral proteinic inclusions. The disease differed from other baculoviruses of the nuclear polyhedrosis type in that the small proteinic inclusions gradually coalesced as they grew, forming large fusiform inclusions. Preliminary studies indicated that larvae were most susceptible to the virus at 24-48 h old, when the mortalities were 36 and 34%, respectively, compared with 11% at 72 h and 8% at 96 h.


PMID: 5044281

DOI: 10.1016/0022-2011(72)90075-4

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