Based on a species of jumping spider that is actually actively herbivorous. Thats right, there is a species of spider that is herbivorous and below are two links that describe them.
http://news.bbc.co.uk/2/hi/science/nature/8302535.stm
http://en.wikipedia.org/wiki/Bagheera_kiplingi
This is just the basic idea, and if anyone has any ideas on how to improve them I will gladly hear them.
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Kipling Dridders
Size: 10 to 15 feet tall
Threat: Low
Locations: Bulvon Woods, Deeper Felarya, Forest of Whispers (very small population)
Kiplings are a sub-species of dridder native to Felarya. Unlike their cousins, Kiplings are unique in that they are the only herbivorous species of dridder known. They typically feed on the various fruits and vegetables that flourish in Felarya's warmer climates, and their small size allows them to subsist solely on these alone.
While capable of producing silk, it is primarily used for either making egg sacs or "safety ropes". These ropes are made before a Kipling attempts a jump, that way if they miss they won't crash onto the forest floor which can sometimes be hundreds of feet below them. Should they miss, they merely climb back up the silken rope and try again.
Due to their small size, Kiplings often avoid their larger cousins who rarely think twice of making them a quick snack. They travel quickly via jumps from tree to tree in order to avoid them and other large predators. Besides this, they are quite social with creatures of similar size as well as giant individuals they trust.
Typically solitary creatures, they are mostly avoided by smaller humanoids who often confuse them for their predatory cousins. Mates rarely stick together, with the female raising the egg sac and ensuing young by herself. They will, however, raise the orphaned young of other Kiplings should they come upon them. Should anything risk endangering their young, even a giant predator, they will fiercely defend them and put their own lives on the line in order to ensure their survival.
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There is significant sexual dimorphism between male and female Kiplings, enough so that at a first glance many inexperienced explorers may confuse them for two different species. Males tend to have a more slender spider half with a reddish abdomen. Their cephalothorax is dark in color with their attached human half possessing a slight greenish tinge in their skin coloration. Females, on the other hand, have sturdier legs on their spider half and possess a light brown abdomen. Their cephalothorax is reddish brown with their human half possessing a slight blackish tinge in their skin coloration. Both sexes, however, possess amber colored legs and green markings on their abdomen.