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Synergistic effects of calyx fluid and venom of Apanteles kariyai Watanabe (Hymenoptera: Braconidae) on the granular cells of Pseudaletia separata Walker (Lepidoptera: Noctuidae)


, : Synergistic effects of calyx fluid and venom of Apanteles kariyai Watanabe (Hymenoptera: Braconidae) on the granular cells of Pseudaletia separata Walker (Lepidoptera: Noctuidae). Zoological Science (Tokyo): 64: 691-696

Some of the effects of calyx and venom fluids of Apanteles kariyai on the morphology and the filopodial function of granular cells of its host Pseudaletia separata are described from studies by scanning electron microscopy and in vitro incubation. Calyx fluid contained virus-like paticles, which were shown to be round or oval with a smooth surface and size of about 225 nm in diameter.

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Related references

Tanaka, T., 1986: Effects of the calyx and venom fluids of Apanteles kariyai Watanabe (Hymenoptera: Braconidae) on the fat body and hemolymph protein contents of its host Pseudaletia separata (Walker) (Lepidoptera: Noctuidae). Females of Apanteles kariyai are successfully able to parasitize larvae of Pseudaletia separata [Mythimna separata] until 4 days before they pupate. Studies have indicated that the calyx fluid and the venom fluid injected by the parasite at the ti...

Tanaka T., 1986: Effects of the calyx and venom fluids of apanteles kariyai hymenoptera braconidae on the fat body and hemolymph protein contents of its host pseudaletia separata lepidoptera noctuidae. Apanteles kariyai Watanabe (Hymenoptera, Braconidae) is successfully able to parasitize Pseudaletia separata (Walker) (Lepidoptera: Noctuidae) until 4 days before pupation. The function of the substances (calyx fluid and venom fluid) injected at t...

Tanaka, T., 1987: Calyx and venom fluids of Apanteles kariyai (Hymenoptera: Braconidae) as factors that prolong larval period of the host, Pseudaletia separata (Lepidoptera: Noctuidae). An examination was made of inhibitory effects of calyx and venom fluids of the parasitoid Apanteles kariyai on pupation of its host, Pseudaletia separata [Mythimna separata]. The larval stage of the host was prolonged by an average of 3 days when...

Takabayashi, J.; Takahashi, S., 1986: Effect of kairomones in the host searching behavior of Apanteles kariyai Watanabe (Hymenoptera: Braconidae), a parasitoid of the common armyworm, Pseudaletia separata Walker (Lepidoptera: Noctuidae). 3. Synthesis and bioassay of arrestants and related compounds. Arrestants which keep Apanteles kariyai in the host habitat were synthesized by Wittig reaction followed by hydrogenation from furan compounds and lead tetraacetate oxidation of alcohols. From the comparison of the analytical data of natural arres...

Takabayashi, J.; Takahashi, S., 1986: Effect of kairomones in the host searching behavior of apanteles kariyai watanabe hymenoptera braconidae a parasitoid of the common armyworm pseudaletia separata walker lepidoptera noctuidae iii. synthesis and bioassay of arrestants and related compounds. Arrestants which keep Apanteles kariyai in the host habitat were synthesized by Wittig reaction followed by hydrogenation from furan compounds and lead tetraacetate oxidation of alcohols. From the comparison of the analytical data of natural arres...

Takabayashi, J.; Noda, T.; Takahashi, S., 1985: Effects of kairomones in the host searching behavior of Apanteles kariyai Watanabe (Hymenoptera: Braconidae), a parasitoid of the common army worm Pseudaletia separata Walker (Lepidoptera: Noctuidae). 1. Presence of arresting stimulants produced by the host larvae. General sequence of the host finding behavior of female Apanteles kariyai Watanabe was observed. When a female A. kariyai found either feeding traces, exuviae or frass of a host larvae on a corn leaf, she exhibited an intense antennal contact beha...

Takabayashi, J.; Noda, T.; Takahashi, S., 1985: Effect of kairomones in the host searching behavior of Apanteles kariyai Watanabe (Hymenoptera: Braconidae), a parasitoid of the common armyworm, Pseudaletia separata Walker (Lepidoptera: Noctuidae). I. Presence of arresting stimulants produced by the host larvae. The general sequence of host-finding behaviour of females of Apanteles kariyai was observed in the laboratory. When a parasite found exuviae, frass or traces of feeding by host larvae (Pseudaletia separata [Mythimna separata]) on a leaf, she exhib...

Takabayashi, J.; Takahashi, S., 1986: Effect of kairomones in the host searching behavior of Apanteles kariyai Watanabe (Hymenoptera: Braconidae), a parasitoid of the common armyworm, Pseudaletia separata Walker (Lepidoptera: Noctuidae). 2. Isolation and identification of arrestants produced by the host larva. Arrestants which keep A. kariyai in the host habitat were isolated from the exuviae of the host larvae and their structures were elucidated by a combination of MS, PMR and CMR spectra. The chemical structures of the arrestants were found to be a s...

Takabayashi, J.; Takahashi, S., 1986: Effect of kairomones in the host searching behavior of Apanteles kariyai Watanabe (Hymenoptera: Braconidae), a parasitoid of the common armyworm, Pseudaletia separata Walker (Lepidoptera: Noctuidae). II. Isolation and identification of arrestants produced by the host larvae. Arrestants which keep females of Apanteles kariyai in the vicinity of their hosts were isolated from the exuviae of larvae of Pseudaletia separata [Mythimna separata] by high performance and gas liquid chromatography and were analysed by mass spec...

Hirai, K., 1984: Notes on Apanteles kariyai Watanabe (Hymenoptera: Braconidae), a parasitoid of the armyworm, Pseudaletia separata Walker. Larvae of Pseudaletia separata [Mythimna separata] collected from various regions in Japan were reared in the laboratory for the emergence of parasites. The percentage parasitism was low (6) during an outbreak (151 larvae/msuperscript 2), but was...