Artículo
Abstract:
1) When a thermal gradient (20-40° C) was established along a laboratory nest, Camponotus mus nurse workers showed a photoperiodic circadian rhythm of temperature preferences for brood rearing. Two different temperatures were daily selected to translocate the brood, i.e. 30.8° C selected at the middle of the photophase, and 27.5° C selected during the scotophase, 8 h later. 2) The daily temperature response of nurse workers consisted of paired high and low-temperature translocations, with a 8 hs-interval in between: high-temperature translocation was shown to be entrained by the photophase length, whereas low-temperature translocation was shown to be dependent on the precedent one. 3) Prey deprivation to the colony modified the brood transport behaviors resulting in translocations of only cocoons and large (ripe) larvae, stages in which the pupation processes are triggered. Small larvae and eggs remained located at 27.5° C. 4) Evaluation of pupa developmental time as well as percentage of pupa mortality at different temperature regimes allowed to construct an efficiency index relating pupa survival and cocoon developmental time. In the range of temperatures selected by nurses, the index reached its maximal values. 5) The ecological significance of these results is discussed. © 1989 Springer-Verlag.
Registro:
| Documento: | Artículo |
| Título: | Brood translocation and circadian variation of temperature preference in the ant Camponotus mus |
| Autor: | Roces, F.; Núñez, J.A. |
| Filiación: | Departmento de Biología, Universidad de Buenos Aires, Pab II Ciudad Universitaria, Buenos Aires, 1428, Argentina |
| Palabras clave: | Ants; Brood development; Camponotus mus; Circadian rhythm; Temperature; ant; brood translocation; circadian rhythm; temperature preference |
| Año: | 1989 |
| Volumen: | 81 |
| Número: | 1 |
| Página de inicio: | 33 |
| Página de fin: | 37 |
| DOI: | http://dx.doi.org/10.1007/BF00377006 |
| Título revista: | Oecologia |
| Título revista abreviado: | Oecologia |
| ISSN: | 00298549 |
| CODEN: | OECOB |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00298549_v81_n1_p33_Roces |
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Citas:
---------- APA ----------
Roces, F. & Núñez, J.A. (1989) . Brood translocation and circadian variation of temperature preference in the ant Camponotus mus. Oecologia, 81(1), 33-37.http://dx.doi.org/10.1007/BF00377006
---------- CHICAGO ----------
Roces, F., Núñez, J.A. "Brood translocation and circadian variation of temperature preference in the ant Camponotus mus" . Oecologia 81, no. 1 (1989) : 33-37.http://dx.doi.org/10.1007/BF00377006
---------- MLA ----------
Roces, F., Núñez, J.A. "Brood translocation and circadian variation of temperature preference in the ant Camponotus mus" . Oecologia, vol. 81, no. 1, 1989, pp. 33-37.http://dx.doi.org/10.1007/BF00377006
---------- VANCOUVER ----------
Roces, F., Núñez, J.A. Brood translocation and circadian variation of temperature preference in the ant Camponotus mus. Oecologia. 1989;81(1):33-37.http://dx.doi.org/10.1007/BF00377006
