Insect development involve two components of growth Moult increment蜕皮期生长 o It is the increment in size occurring between one star and the next Intermoult period incrementi龄期生长 . It is the increment in a stadium or instar durationl Insect development involve two components of growth. – Moult increment蜕皮期生长 l It is the increment in size occurring between one star and the next. – Intermoult period increment龄期生长 l It is the increment in a stadium or instar duration