Drosophila pupation behavior in the wild

被引:30
作者
Beltrami, Marcial [1 ]
Cristina Medina-Munoz, Maria [2 ,3 ]
Arce, David [3 ]
Godoy-Herrera, Raul [4 ]
机构
[1] Univ Metropolitana Ciencias Educ, Fac Ciencias Exactas & Nat, Dept Biol, Santiago, Chile
[2] Univ Valparaiso, Fac Ciencias, Dept Biol & Ciencias Ambientales, Valparaiso, Chile
[3] Univ Playa Ancha Ciencias Educ, Fac Ciencias Exactas & Nat, Dept Biol & Quim, Valparaiso, Chile
[4] Univ Chile, Facultad Medicina, ICBM, Programa Genet Humana, 70061 Santiago 70061 7, Chile
关键词
Drosophila pupation behavior; Pupa aggregations; Larval recognition; Larval response to alkalinity/acidity; SELECTION; PREFERENCE; DIPTERA; HEIGHT;
D O I
10.1007/s10682-009-9310-8
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
We investigated pupa distributions of D. simulans, D. buzzatii, D. melanogaster, D. immigrans and D. hydei on a number of natural breeding sites. Pupae of all five species showed aggregated distributions, which prompted us to examine these aggregations in a more detail for two species that commonly co-occur in breeding sites, D. simulans and D. buzzatii. We found that pupae of both species tend to be aggregated in conspecific clusters. Subsequent experiments revealed that both species are attracted to the odors of other larvae, though only D. buzzatii differentiated between conspecifics and heterospecifics (they preferred conspecific). Furthermore, third instar larvae of both species preferred more alkaline substrates. Altogether, our results demonstrate that Drosophila species form conspecific pupa aggregations in natural breeding sites, and that pupation site selection depends on interactions among conspecific and heterospecific larvae and on chemical characteristics of the breeding sites.
引用
收藏
页码:347 / 358
页数:12
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