Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Scarabs (Coleoptera: Scarabaeidae) in Sweet Persimmon Orchard and Effect on Sweet Persimmon

단감원 풍뎅이의 종류와 단감에 미치는 영향

  • 이동운 (경상대학교 농업생명과학연구원) ;
  • 이규철 (경상대학교 농과대학 식물자원환경학부) ;
  • 박정규 (경상대학교 농과대학 식물자원환경학부) ;
  • 추호렬 (경상대학교 농업생명과학연구원, 경상대학교 응용생명과학부) ;
  • 김영섭 (상주대학교 잠사곤충자원학과)
  • Published : 2002.09.01
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Abstract

Occurrence of scarabs at sweet persimmon (Diospyros kaki var. Fuyu) orchards was investigated by mercury light traps every one week interval in several areas in Gyeongnam province including, Jinju, Sacheon, Sancheong, and Gimhae, from April to September in 2000 and 2001. In addition, damage of persimmon by scarabs was observed every ten days interval at three orchards in Jinju and at one in Gimhae from late May to late October. Although sixteen species of 12 genera were attracted to the traps, species and number of catches were different according to orchards and years. Holotrichia morosa was most dominant in Jinju, Sacheon, and Sancheong. Total number of scarabs attracted to the traps was highest at the orchard surrounded by chestnut orchards in Sancheong. Fruits of sweet persimmon were not damaged by scarabs at the studied orchards. However, leaves and calyxes were slightly damaged by Adoretus tenuimaculatus. Maximum average numbers of the damaged leaves and calyxes throughout the year by A. tenuimaculatus were 0.33 leaves from 10 new shoots and 0.07 calyxes from 15 fruits. Gametis jucunda and Popillia mutans damaged flowers and calyxes. Maximum average numbers of damaged flowers and calyxes by these 2 species were the same as 0.03 from 15 flowers and 15 calyxes, respectively. These levels of damage suggest that the scarabs are not economically injurious to sweet persimmon fruits in Korea.

단감 과수원에 발생하는 풍뎅이와 실제로 감나무와 과일에 피해를 입히는 풍뎅이를 경남 진주시 문산읍과 사천시 사천읍, 산청군 신안면, 김해시 진영읍에 있는 단감 과수원에서 2000년에는 4월 하순부터, 2001년에는 5월 하순부터 9월 하순가지 주 일회씩 유아등과 직접조사를 통하여 조사하였다. 또한 2001년 5월 하순부터 10월 하순까지는 10일 간격으로 진주시의 3개 단감 과수원과 김해시 진영읍에 있는 하나의 단감 과수원에서 풍뎅이에 의한 피해조사를 하였다. 그 결과 12속 16종의 풍뎅이가 유살 되었으며 지역과 연도별로 유살되는 풍뎅이 종류와 개체수에서 차이가 있었다. 다수종인 풍뎅이는 진주, 사천, 산청 지역의 큰검정풍뎅이였다. 유살되는 풍뎅이의 종과 개체수가 가장 많았던 과수원은 밤나무 과수원에 둘러싸인 산청이었다. 풍뎅이는 단감 과실에는 직접적인 피해를 주지 않았다. 그러나 주둥무늬차색풍뎅이가 잎과 꽃받침을 가해하고 있었는데 최대 피해엽수는 신초 10개당 평균 0.33엽이었고,과일은 15개 당 평균 0.07개였다. 그 외 애초록 꽃무지가 단감 꽃을 가해하고 있었고, 콩풍뎅이가 꽃받침을 가해하고 있었는데 최대 피해수는 과일 15개당 평균 0.03개였다. 이와 같은 낮은 피해정도로 보아 풍뎅이는 단감에 경제적으로 피해를 주는 해충이 아닌 것으로 생각된다.

Keywords

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