Jan 07, 2015
Here was the first specimen of Frigga crocuta that I collected from a Vachellia collinsii in Panama. Though it nests on Vachellia plants and behaves very much like Bagheera kiplingi, it belongs to a completely different subfamily of jumping spiders and therefore represents completely independent evolution of a similar system. What could be driving this convergence?
The spider Bagheera kiplingi is 90% vegetarian in Mexico, and 60% vegetarian in Costa Rica. I will test if population density causes this difference by documenting population density of spiders in both countries and artificially increasing the number of spiders per plant in Costa Rica to compare with results in Mexico. In Panama, I will video record and collect samples of Frigga crocuta, which exhibits similar habits to B. kiplingi and might also be vegetarian.
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