HEAD SIZE AND SHAPE IN RELATION TO GRASS FEEDING IN ACRIDOIDEA (ORTHOPTERA)

被引:35
作者
BERNAYS, EA [1 ]
HAMAI, J [1 ]
机构
[1] UNIV CALIF BERKELEY, DEPT ZOOL, DIV BIOL CONTROL, ALBANY, CA 94706 USA
来源
INTERNATIONAL JOURNAL OF INSECT MORPHOLOGY & EMBRYOLOGY | 1987年 / 16卷 / 5-6期
关键词
D O I
10.1016/0020-7322(87)90004-3
中图分类号
Q96 [昆虫学];
学科分类号
摘要
Among grasshoppers, grass-feeding species had relatively very large heads and species feeding on other herbaceous plants had small ones. Those feeding on both food types were intermediate in size. These results are consistent with the hypothesis that head size is determined by the need for large mandibles and large mandibular adductor muscles, which are in turn associated with hard or tough diets.
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页码:323 / 330
页数:8
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