Black soldier fly emergence (Saito)

 

Like above picture, some BSF larvae start to emergence. These days, I get some BSF adult. Actually I am not sure it can be growth well. Because I collect in winter season. I was relived I can see some BSF emergence. But, now I have problem which emergence is not same time. So, I can not keep high density BSF adult. this is main problem I have. I observe first emergence around 3 weeks before and I see BSF emergence yesterday also. This was collected same time. It seems the duration they need for emergence is not same or I miss some important information to emergence.　Anyway I need to study more about BSF.

 


写真にあるようにアメリカミズアブの蛹が羽化し始めました。最近ようやく、ミズアブの成虫が出てきました。蛹から捕まえてきて25℃で飼育して成虫になるかどうかわからず不安でしたがとりあえずは蛹から成虫までの流れが確認できたので良かったとおもいます。しかし、成虫になるタイミングにずれがあり、一度にたくさんのミズアブの密度を維持できないという問題があります。最初に観察できたミズアブの成虫は約3週間前、最近で羽化したミズアブは昨日とタイミングにかなりのばらつきがあります。同じ時に採取したものなので個体差による違いなのかそれとも自分が何か重要な情報を見落としているのか、とりあえずミズアブについて勉強しようと思います。

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