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Artificial multiplication of the black soldier fly, Hermetia illucens (Diptera: Stratmyidae)
- 언어ENG
- URLhttps://db.koreascholar.com/Article/Detail/290876
In order to establish artificial indoor rearing techniques for the black soldier fly (BSF), we developed indoor rearing instructions and collection manual for each developmental stage of the fly. The fly collection was conducted between June and October at 1 month interval. Calf feed and food waste were most effective to attract adults. Collection efficiency is higher from the trap installed in a shady spot than that in an open spot. It was highest to collect flies in August and September. As the egg-laying medium for the artificial egg collection, calf feed and food waste were most effective. The optimal number of the medium (W*D*H=60*40*15cm) was 8 for 2000 adults (male:Female=1:1) in the egg-laying net (W*D*H=4*2*2m). Flower foams and wooden blocks with holes were used as egg-laying sites. Adult females preferred the holes on average 3～5mm in diameter and 7～10mm in depth for oviposition. Larvae reared in low density (2～4 individuals/㎠) showed superior practical traits than those reared in an overcrowded environment (6～10 individuals/㎠). It is important to place the fly pupae in moist sawdusts (humidity: 20~40%), since a pupa tends to hide in a refuge. Adult insects should be employed for laying eggs for food waste processing immediately after emergence. When treated at 10℃ for 10 days after pupation, emergence rate of the insect was still 93.3%. By keeping pupae at the low temperature, emergence timing could be manipulated with about 10 day flexibility.
