Feeding on solanum plants such as tomato, eggplant, and black nightshade, the mean development duration of H. vigintioctopuntata had no significant difference, but there was a significant difference when feeding on pumpkin.

• 结果表明：该虫在3种茄科植物上各虫态发育历期无显著差异；而在南瓜上存在显著差异，各虫态历期明显延长。