Observation of Apparent “Parental Care” of Eggs by a Juvenile Azilia vachoni (Araneae: Tetragnathidae)

Jo-Anne Nina Sewlal

Abstract


Spiders exhibit varying degrees of parental care of immatures, varying from none (most species) to third instar spiderlings occupying their maternal web which is seen in the semi-social tarantula Ischnothele caudata of the family Dipluridae (Simon) (Jantschke and Nentwig 2001), to the most social spider species Anelosimus eximus (Keyserling). Here I report observations on retreats of the northern South American tetragnathid Azilia vachoni (Caporiacco) containing eggs and an individual in its second or third instar.


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References


Jantschke, B. and Nentwig, W. 2001. Sub-social behaviour in the diplurid Ischnothele caudata (Araneae: Dipluridae). Bulletin of the British Arachnological Society, 12(1): 12-16.

Sewlal, J. N. 2009. Ecological Studies of Web-Building Spiders: Studies of Four Tropical Species. Saarbrücken, Germany: VDM Publishing House Ltd. 80 p.

Fink, L. S. 1987. Green lynx spider egg sacs: sources of mortality and the function of female guarding (Araneae: Oxyopidae). Journal of Arachnology. 15: 231-239.

Horel, A. and Gundermann, J. L. 1992. Egg sac guarding by the funnel-web spider Coelotes terrestris: function and development. Behavioural Processes, 27(2): 85-93.


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