老人葵心叶上的幼虫期最长需要50.6天,酒瓶椰子最短,只要20.15天,椰子、大王棕和槟榔三者幼虫期相差不大,分别是33.55天、38.64天和26.06天。

• The longest larval developmental duration was 50.6 days on Washingtonia filifer, the shortest was 20.15 days on Hyophorbe lagenicaulis, larval developmental durations feeding on Cocos nucifera, Roystonea regia and Areca catechu were 33.55 days, 38.64 days and 26.06 days, respectively.