DEFENSIVE ALKALOID IN BLOOD OF MEXICAN BEAN BEETLE (EPILACHNA-VARIVESTIS)

被引:45
作者
EISNER, T [1 ]
GOETZ, M [1 ]
ANESHANSLEY, D [1 ]
FERSTANDIGARNOLD, G [1 ]
MEINWALD, J [1 ]
机构
[1] CORNELL UNIV, DEPT CHEM, ITHACA, NY 14853 USA
来源
EXPERIENTIA | 1986年 / 42卷 / 02期
关键词
D O I
10.1007/BF01952471
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The blood of the Mexican bean beetle (Epilachna varivestis) contains a homotropane alkaloid, euphococcinine (1). The beetles ''reflex bleed'' when disturbed, thereby deploying the alkaloid, which is provenly deterrent to spiders and ants. Newly emerged adults lack the alkaloid, but the compound builds up to deterrent levels in their blood within days. Eggs and larvae of Epilachna are devoid of the compound.
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页码:204 / 207
页数:4
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