noun
striped stem borer; Chilo suppressalis
A moth species whose larvae are a major rice pest in Asia. The name refers to the two generations per year in many regions.
ニカメイガの幼虫は稲の茎を食い荒らす。
The larvae of the striped stem borer eat into rice stems.
ニカメイガの防除にはフェロモントラップが使われる。
Pheromone traps are used to control the striped stem borer.
メイガ is a general term for pyralid moths, while ニカメイガ is a specific species.
From 二化 (にか, 'two generations') + 螟蛾 (めいが, 'pyralid moth'), referring to the two annual generations of this rice pest.