초록

1990년 부터 1996년까지 16개소의 채집지에서 채집되어 분류동정된 동충하초는 12속 33종으로 이중 Cordyceps bifusispora, C. martialis, C. oxycephala, C. paludosa, C. pentatomi, C. rosea, C. ryogamiensis, Shimizuomyces paradoxa, Akanthomyces aculeatus, Polycephalomyces ramosus, Tilachlidiopsis nigra 등 14종은 국내 미기록종이다. 주로 다수 채집된 동충하초인 C. nutans, C. specocephala, Paecilomyces tenuipes 등은 전 채집시기에 걸쳐 고루 분포하였다. C. mizitayis C. kyushuensis, C. pruinosa 등과 같이 자실체의 발생이 환경조건으로서 대기내 습도에 강하게 영향을 받는 종들의 경우는 주로 장마철이 시작되면서 상대습도가 높아지는 7월 중순부터 8월 중순까지 분포하는 것으로 나타났다. 채집된 동충하초중 분리된 종은 C. bifusispora를 포함하여 Cordyceps속 9종, 불완전 균류의 Beauveria bassiana, Metarhizium anisopliae, Paecilomyces tenuipes, Verticillium lecanii등 총 13종이며, 분리된 Cordyceps속 동충하초를 이용하여 완전세대와 불완전세대의 관계를 구명한 결과 C. militaris와 C. kyushuensis는 Verticillium속으로, C. pruinosa는 Acremonium속으로, C. sphecocephala는 Hymenostilbe속으로, C. scarabaeicola는 Beauveria속으로 각각 밝혀졌다.

Abstract

Thirty three entomopathogenic species belonging to twelve genus were collected throughout 16 collecting sites from 1990 to 1996. Among those collected species, 14 unrecorded species such as Cordyceps bifusispora, C. martialis, C. oxycephala, C. paludosa, C. pentatomi, C. rosea, C. ryogamiensis, Shimizuomyces paradoxa, Akanthomyces aculeatus, Polycephalomyces ramosus, Tilachlidiopsis nigra were added to Korean entomopathogenic species through this study. In nature, occurrence of Cordyceps nutans, C. sphecocephala and Paecilomyces tenuipes were from early June to late September. On the other hand, C. militaris, C. kyushuensis and C. pruinosa were mainly found from mid July to mid August when relative humidity are increased. Nine species of the genus Cordyceps including C. bifusispora and four deuteromycetous species were isolated. As a result of cultural test using six Cordyceps species, anamorph of C. militaris, C. kyushuensis were proved as Verticillium sp. C. pruinosa as Acremonium sp., C. sphecocephala as Hymenostilbe sp. and C. scarabaeicola as Beauveria sp., respectively.

주제어

#Entomopathogenic species   #Anamorph   #Cordyceps   #Verticillium   #Acremonium   #Hymenostilbe   #Beauveria  

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