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ISSN : 1225-0171(Print)
ISSN : 2287-545X(Online)
Korean Journal of Applied Entomology Vol.57 No.4 pp.373-379
DOI : https://doi.org/10.5656/KSAE.2018.11.0.051

Development and Oviposition Characteristics of Protaetia brevitarsis (Coleoptera: Cetoniidae) Fed Fermented Mulberry Sawdust

Hyung-Cheol Moon, Ju-Rak Lim, Na-Young Park and Hyong-Gwon Chon
Jeollabuk-do Agricultural Research and Extention Services, Iksan 54591, Korea
*Corresponding author: hch0808@korea.kr

Abstract

This study investigated the developmental and ovipositional characteristics of Protaetia brevitarsis individuals that were fed with fermented mulberry sawdust. The developmental periods of larvae were 164.0, 73.3, and 64.8 days at 25, 28, and 30℃, respectively. The maximum larval weight was 2.94 g at 25℃, and the weight of larvae decreased as temperature increased. The average weight of female adults were 0.94, 0.51, and 0.54 g at 25, 28, and 30℃, respectively. The weight of male adults was higher than that of females. The addition of 10% or 30% wheat bran to the fermented mulberry sawdust increased larval weight. It was possible to sell larvae from 75 days after mass rearing, when the cumulative rate of larvae that were heavier than 2.5 g was approximately 75%. The average number of eggs per female was 83.2 at 25℃, and this was the highest in the 5th week. Most of the eggs (73%) were oviposited between 3 and 8 weeks after adults emergence.

뽕나무발효톱밥 급여에 따른 흰점박이꽃무지의 발육 및 산란 특성

문형철, 임주락, 박나영, 전형권
전라북도농업기술원

초록

뽕나무발효톱밥을 이용한 흰점박이꽃무지의 사육 가능성을 검토하기 위하여 발육 및 산란 특성을 조사하였다. 흰점박이꽃무지 유충의 발 육기간은 25, 28, 30℃에서 각각 164.0일, 73.3일, 64.8일로 온도가 높을수록 짧아졌다. 평균 유충 최고 무게는 25℃에서 2.94 g으로 가장 높았 으며 온도가 높아질수록 유충 무게는 감소하는 경향이었다. 우화한 암컷 성충의 평균 무게는 25, 28, 30℃에서 각각 0.94 g, 0.51 g, 0.54 g이었 으며 수컷 성충 무게가 암컷보다 무거웠다. 뽕나무톱밥에 밀기울을 10% 또는 30% 첨가하여 발효시킨 것이 흰점박이꽃무지 유충 발육에 양호하 였다. 유충 집단 사육시 2.5 g 이상인 유충의 누적비율이 75% 정도인 사육 후 75일부터 유충 판매가 가능하였다. 흰점박이꽃무지의 평균 산란수 는 83.2개이었으며, 우화 후 3~8주 사이에 전체 산란수의 73%가 산란되었고, 5주째 산란수가 가장 많았다.
 

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