REPRODUCTION AND DIVISION-OF-LABOR IN LEPTOGENYS SCHWABI FOREL (HYMENOPTERA-FORMICIDAE), A POLYGYNOUS, QUEENLESS PONERINE ANT

被引:14
作者
DAVIES, SJ [1 ]
VILLET, MH [1 ]
BLOMEFIELD, TM [1 ]
CREWE, RM [1 ]
机构
[1] UNIV NATAL,DEPT ZOOL,PIETERMARITZBURG 3200,SOUTH AFRICA
关键词
PONERINAE; REPRODUCTION; POLYGYNY; QUEENLESSNESS; POLYETHISM;
D O I
10.1080/08927014.1994.9522975
中图分类号
B84 [心理学]; C [社会科学总论]; Q98 [人类学];
学科分类号
03 ; 0303 ; 030303 ; 04 ; 0402 ;
摘要
The combination of polygyny and natural queenlessness is uncommon in ants. The ponerine ant Leptogenys schwabi Forel 1913 has no morphologically or anatomically distinct reproductive castes and several mated workers in each colony, providing a model for the study of the effect(s) of polygyny on the social organization of a naturally queenless species of ponerine ant. L. schwabi also presents a case of queenlessness that is useful in comparative evolutionary studies of natural queenlessness because it is phylogenetically independent of previously-studied examples. Virgin laying workers were few unless mated workers were experimentally removed from the colony, indicating that their reproductive physiology is regulated by the mated workers. No physical interactions or oophagy were seen, implicating a pheromonal mechanism of regulation. The combination of queenlessness and polygyny did not affect the general pattern of division of labour. This may be attributed to the inhibitory influence exerted by mated workers over virgin workers that forestalls the disruptive effects of reproductive competition among Virgin workers.
引用
收藏
页码:507 / 517
页数:11
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