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자료유형
학술저널
저자정보
저널정보
한국양봉학회 Journal of Apiculture Journal of Apiculture Vol.36 No.2
발행연도
2021.6
수록면
55 - 62 (8page)
DOI
10.17519/apiculture.2021.06.36.2.55

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초록· 키워드

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Osmia cornifrons is a cavity-nesting solitary species used as an apple pollinator in Korea. We collected Osmia spp larvae to examine potential correlations of larval stage. The head widths of from 1<SUP>st</SUP> to the 5<SUP>th</SUP> instar ranged from 0.4±0.1 to 1.3±0.3 mm, and growth rate of each instar was significantly highest between 1<SUP>st</SUP> and the 2<SUP>nd</SUP> instar. The fitness regression model for the head capsule width was analyzed. The head capsule width plotted against the number of instars resulted in a regression line of y=0.146x+0.551, R²=0.838. The body weights of the larvae increased with larval developmental stage, and the coefficient of variation of larval weights was high. However, the calculated regression line was y=5.122x² -12.154x+11.444, R²=0.900. The growth ratio of the larval length was clearly maximal between the 3<SUP>rd</SUP> and 4<SUP>th</SUP> instars, while that of 5<SUP>th</SUP> instar larvae was decreased. The calculated regression line is y=2.595x+0.472, R²=0.920. The result suggests that measurements of head capsule width, weight and length may be useful as a method to determine larval instar.

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Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
LITERATURE CITED

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