a jumping spider seen in chennai.
although spiders regarded predatory, jumping spider bagheera kiplingi gets on 90% of food solid plant material produced acacias part of mutually beneficial relationship species of ant.
juveniles of spiders in families anyphaenidae, corinnidae, clubionidae, thomisidae , salticidae feed on plant nectar. laboratory studies show deliberately , on extended periods, , periodically clean while feeding. these spiders prefer sugar solutions plain water, indicates seeking nutrients. since many spiders nocturnal, extent of nectar consumption spiders may have been underestimated. nectar contains amino acids, lipids, vitamins , minerals in addition sugars, , studies have shown other spider species live longer when nectar available. feeding on nectar avoids risks of struggles prey, , costs of producing venom , digestive enzymes.
various species known feed on dead arthropods (scavenging), web silk, , own shed exoskeletons. pollen caught in webs may eaten, , studies have shown young spiders have better chance of survival if have opportunity eat pollen. in captivity, several spider species known feed on bananas, marmalade, milk, egg yolk , sausages.
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