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Abstract:

Allocosa brasiliensis is a sand-dwelling wolf spider that constructs burrows along the coasts of rivers, lakes, and the Atlantic Ocean in Argentina, Brazil, and Uruguay. This species shows a reversal in typical sex roles in spiders: females wander searching for males and initiate courtship, while both females and males are selective when taking mating decisions. Females prefer to mate with males that show long burrows. As burrow digging in the sand seems to be an energetically expensive activity, we would expect differences in burrow characteristics according to developmental stage and selection pressures. Our aim was to describe female and juvenile digging behaviour in A. brasiliensis and report burrow dimensions, comparing the results with data available for males of this species. We placed each individual (n = 30 of each category) in a glass cage with sand as substrate and recorded burrow construction under laboratory conditions. Only fve females and nine juveniles constructed burrows after 72 hours. Burrow dimensions did not show signifcant differences between females or juveniles, but burrow length was markedly lower than reports for males of this species. Burrow digging was stereotyped both in females and juveniles, following a sequence of behavioural units repeated in a cycle. Digging behaviour would be highly conserved in A. brasiliensis. However, variations in burrow digging behaviour and fnal burrow dimensions would refect differences in strategies according to sex and stage. © 2015, British Arachnological Society. All Rights Reserved.

Registro:

Documento: Artículo
Título:Female and juvenile burrow digging in Allocosa brasiliensis, a South American sand-dwelling wolf spider
Autor:De Simone, G.A.; Aisenberg, A.; Peretti, A.V.
Filiación:Laboratorio de Fisiología de Insectos, Departamento de Biodiversidad y Biología Experimental, F.C.E.N., Universidad de Buenos Aires, Capital Federal, 1428, Argentina
Laboratorio de Biología Reproductiva y Evolución, Cátedra de Diversidad Animal I, F.C.E.F.N, Universidad Nacional de Córdoba, Córdoba, 5000, Argentina
Instituto de Biodiversidad y Biología Experimental y Aplicada, CONICET – UBA, Argentina
Laboratorio de Etología, Ecología y Evolución, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, 11600, Uruguay
Laboratorio de Biología Reproductiva y Evolución, Cátedra de Diversidad Animal I, F.C.E.F.N., Universidad Nacional de Córdoba, Córdoba, 5000, Argentina
Instituto de Diversidad y Ecología Animal, CONICET – UNC, Argentina
Palabras clave:Allocosa; Araneae; Lycosidae
Año:2015
Volumen:16
Número:8
Página de inicio:276
Página de fin:280
Título revista:Arachnology
Título revista abreviado:Arachnology
ISSN:20509928
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20509928_v16_n8_p276_DeSimone

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Citas:

---------- APA ----------
De Simone, G.A., Aisenberg, A. & Peretti, A.V. (2015) . Female and juvenile burrow digging in Allocosa brasiliensis, a South American sand-dwelling wolf spider. Arachnology, 16(8), 276-280.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20509928_v16_n8_p276_DeSimone [ ]
---------- CHICAGO ----------
De Simone, G.A., Aisenberg, A., Peretti, A.V. "Female and juvenile burrow digging in Allocosa brasiliensis, a South American sand-dwelling wolf spider" . Arachnology 16, no. 8 (2015) : 276-280.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20509928_v16_n8_p276_DeSimone [ ]
---------- MLA ----------
De Simone, G.A., Aisenberg, A., Peretti, A.V. "Female and juvenile burrow digging in Allocosa brasiliensis, a South American sand-dwelling wolf spider" . Arachnology, vol. 16, no. 8, 2015, pp. 276-280.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20509928_v16_n8_p276_DeSimone [ ]
---------- VANCOUVER ----------
De Simone, G.A., Aisenberg, A., Peretti, A.V. Female and juvenile burrow digging in Allocosa brasiliensis, a South American sand-dwelling wolf spider. Arachnology. 2015;16(8):276-280.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20509928_v16_n8_p276_DeSimone [ ]