Population biology of Euploea core Corinna (Nymphealiae: Lepidoptera) larvae on two species of host plants
1999
Habib-ur-Rahman (National Agricultural Research Centre, Islamabad (Pakistan). Maize Programme) | Zalucki, M.P.
The larvae of Euploea core corinna were sampled from oleander plants (Queensland University) and Parsonsia streminea plants (Griffith University). There was no significant difference in number of larvae present on different varieties of Nerium oleander or in larval populations on two host viz; N. oleander and P. streminea. There was also no significant difference in the number of larvae feeding on oleander in sunny verses shady habitats. Moreover, the larval populations of E. core corinna was similar on single oleander plants and plants growing in a patch. The early instar larvae feed on tender parts of plants while older larvae prefers to feed on older leaves. Significant relationships between plant height and number of larvae, and plant height and percentage parasitism were obtained. A linear increase in parasitism and also number of Paradrino laevicula adults with host larval stages were recorded. More parasites emerged from larvae collected at high larval population densities per plant.
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