Abstract
The temperature requirements and availability of host-plants of Euploea core corinna [E. core] (a polyphagous species that attacks Nerium oleander, Hoya sp. and Stephanotis sp. grown as ornamentals in suburban gardens) were studied in Australia. Low temperatures could restrict the distribution of the danaine in southern Australia, and high temperatures exclude it from much of inland Australia. Non-availability of host-plants could also restrict distribution in some places; some introduced host-plants may serve to enlarge the distribution and local breeding activity of E. core.

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