File:Araña Tigre - Wasp Spider - Argiope bruenichii - Poliandria - polyandry 02 (5203760548).jpg

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En las especies de Argiope encontramos un fuerte dimorfismo sexual. Mientras que las hembras alcanzan un opistosoma de entre uno y cuatro centímetros, de longitud, en estado adulto, los machos no llegan al centímetro entre prosoma y opistosoma. Además, las hembras muestran libreas de colores amarillo, negro y blanco, mientras que los machos son mucho más crípticos. Cuando existe un dimorfismo sexual acentuado en especies de reproducción heterosexual, normalmente es porque ambos sexos siguen distintas estrategias de comportamiento para optimizar su contribución a la descendencia. En especies monógamas, por ejemplo, ambos sexos muestran un tamaño, colorido y aspecto parecidos. En estos casos, la inversión parental en la descendencia es similar en ambos sexos. En especies poliándricas o poligínicas el asunto varía.

joakinmg.wordpress.com/2010/11/14/dimorfismo-sexual-en-ar...
Date
Source Araña Tigre - Wasp Spider - Argiope bruenichii - Poliandria - polyandry 02
Author Ferran Pestaña from Barcelona, España
Camera location41° 17′ 47.2″ N, 1° 53′ 44.98″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
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This image was originally posted to Flickr by ferran pestaña at https://flickr.com/photos/57956171@N00/5203760548 (archive). It was reviewed on 25 November 2017 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

25 November 2017

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current21:39, 25 November 2017Thumbnail for version as of 21:39, 25 November 20171,978 × 2,797 (5.85 MB)Rudolphous (talk | contribs)Transferred from Flickr via Flickr2Commons

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