Abstract

Attempts to infect noninsect arthropods with Chilo iridescent virus (CIV) originally isolated from Lepidoptera were made by using eight species belonging to four classes. Multiplication of CIV was demonstrated in two species of terrestrial Crustacea (the pill bug, Armadillidium vulgare, and the slater, Porcello scaber) and one species of Chilopoda, the house centipede, Thereuonema higendorfi. The lethality experiment of CIV for A. vulgare suggested that chronic infection is a characteristic of the CIV infection in both classes, Crustacea and Insecta. Neither iridescence nor recovery of virus infectivity was demonstrated in the following arthropod species: the sea slater, Ligia exotica (Crustacea: Isopoda), the grapsid crab, Sesarma haematocheir (Crustacea: Decapoda), the millipede, Oxidus gracillis (Diplopoda: Polydesmoidea), Rhysodesmus semicirculatus (Diplopoda: Polydesmoidea), and the giant crab spider, Heteropoda venatoria (Arachnida: Araneae).

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