first instar
第一龄
second instar
第二龄
third instar
第三龄
fourth instar
第四龄
fifth instar
第五龄
larval instar
幼虫龄
instar stage
龄期
instar duration
龄期持续时间
instar change
龄期变化
instar development
龄期发育
each instar stage of the caterpillar is crucial for its development.
毛虫的每个龄期对其发育至关重要。
the insect undergoes several instar phases before becoming a pupa.
昆虫在变成蛹之前经历几个龄期。
observing the changes in color during each instar can be fascinating.
观察每个龄期颜色的变化是很有趣的。
scientists study the instar stages to understand insect growth patterns.
科学家研究龄期阶段以了解昆虫的生长模式。
different species may have varying numbers of instar stages.
不同物种可能有不同数量的龄期。
during the last instar, the larvae prepare for metamorphosis.
在最后一个龄期，幼虫为变态做准备。
each instar is marked by distinct physical characteristics.
每个龄期都有明显的身体特征。
understanding instar development helps in pest control strategies.
了解龄期发育有助于害虫控制策略。
instar identification is important for entomological research.
龄期鉴定对昆虫学研究非常重要。
in some species, the duration of each instar can vary significantly.
在某些物种中，每个龄期的持续时间可能有显著差异。
first instar
第一龄
second instar
第二龄
third instar
第三龄
fourth instar
第四龄
fifth instar
第五龄
larval instar
幼虫龄
instar stage
龄期
instar duration
龄期持续时间
instar change
龄期变化
instar development
龄期发育
each instar stage of the caterpillar is crucial for its development.
毛虫的每个龄期对其发育至关重要。
the insect undergoes several instar phases before becoming a pupa.
昆虫在变成蛹之前经历几个龄期。
observing the changes in color during each instar can be fascinating.
观察每个龄期颜色的变化是很有趣的。
scientists study the instar stages to understand insect growth patterns.
科学家研究龄期阶段以了解昆虫的生长模式。
different species may have varying numbers of instar stages.
不同物种可能有不同数量的龄期。
during the last instar, the larvae prepare for metamorphosis.
在最后一个龄期，幼虫为变态做准备。
each instar is marked by distinct physical characteristics.
每个龄期都有明显的身体特征。
understanding instar development helps in pest control strategies.
了解龄期发育有助于害虫控制策略。
instar identification is important for entomological research.
龄期鉴定对昆虫学研究非常重要。
in some species, the duration of each instar can vary significantly.
在某些物种中，每个龄期的持续时间可能有显著差异。
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