Abstract

Following a previous outbreak of avian malaria and avian pox among captive breeding New Zealand dotterel chicks (Charadrius obscurus) in the Auckland Zoological Park, a study was carried out to determine the mosquito vectors breeding at the site and to explore their ecology. The survey identified three species: the native Culex (Culex) pervigilans Bergroth, and the exotic Culex (Culex) quinquefasciatus Say and Ochlerotatus (Finlaya) notoscriptus (Skuse). The second species is a known vector for avian malaria and avian pox. Ochlerotatus notoscriptus was by far the most abundant and widespread, accounting for 88% of all larvae collected and being present in all natural and artificial containers sampled. The abundance of breeding habitats for mosquitoes at Auckland Zoo requires the adoption of a management programme to reduce the risk of another disease outbreak.

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