Summary
Vector competences ofAedes (Ae.) vexans nipponii (nip.) andCulex (Cx.) tritaeniorhynchus to Getah virus were assessed by using a membrane feeding technique. The Getah virus was present at high titer in both species of mosquitoes after 21 days of extrinsic incubation at 28° C. Infection rates on 21 post-feeding were 100 per cent (4/4) forAe. vexans nip. at a virus dosage of 105.3 PFU/ml and 60 per cent (3/5) forCx. tritaeniorhynchus at similar virus dosage. More than 103.5 PFU of virus was detected in salivary glands of both species of mosquitoes on day 21 of extrinsic incubation. Forty percent (2/5) ofAe. vexans nip. transmitted the virus into serum-agar after ingesting 104.3 PFU/ml of virus blood mixture. In experiments withCx. tritaeniorhynchus ingesting 107.5 PFU/ml of virus blood mixture, 57 per cent (4/7) were able to transmit the virus to suckling mice and 59 per cent (10/17) transmitted the virus into serum-agar.
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Takashima, I., Hashimoto, N., Arikawa, J. et al. Getah virus inAedes vexans nipponii andCulex tritaeniorhynchus: Vector susceptibility and ability to transmit. Archives of Virology 76, 299–305 (1983). https://doi.org/10.1007/BF01311197
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DOI: https://doi.org/10.1007/BF01311197