spider genus family jumping spiders found sub tropical china india including sri_lanka sumatra philippines spiders jump including significantly better vision spiders main eyes acute daylight cat times acute main eyes focus accurately object distances approximately centimetres infinity practice centimetres jumping spiders active hunters unusually generally resting unusual flattened pose hours days logs tree pieces wood solid surface preferred prey insects jumping spiders insects usually inactive body insect moves spider pair legs extremely quickly bite prey takes active approach especially prey week enter voluntary moves away touches accidentally bite threads pull strongly legs escape sticky closest relatives genus closest genera body structure spiders differ usual body segments fused abdomen jumping spiders distinctive rectangular spiders bear modified silk types silk abdomen abdomen joined small cylindrical allows abdomen spinning silk jumping spiders build catch prey use silk purposes including laying eggs body millimetres long notably flattened including groups raised relatively long highest point little pair eyes example body dull grey brown markings resemble surface tree jumping spiders generally large short powerful legs leap times length extending fourth pairs legs spiders pair mouth spiders modified poison prey mouth pair short male spiders large displaying mating senses jumping spiders eyes large ones centre position anterior median eyes called principal eyes providing acute vision housed tubes head secondary eyes positioned sides acting mainly movement middle pair secondary eyes jumping spiders small members sub family large secondary eyes spiders jump including significantly better vision spiders main eyes acute daylight cat times acute main eyes focus accurately object distances approximately centimetres infinity practice centimetres spiders like sensors modified protruding cuticle skin smell taste touch vibration unlike insects spiders antennae movement jumping spiders walk quickly stop jumping obstacles movements unusual usually uses flattened posture head vertical surface body legs pressed surface legs upwards legs downwards markings flattened body easily hidden bark tree trunk habit walking body legs flattened surface helps feeding defence jumping spiders predators insects spiders use usual hunting tactics jumping spiders walk day chances catch jump prey bite unlike jumping spiders leap prey half predator body length away unusually jumping spider generally resting flattened pose hours days logs pieces wood solid surface captures particular types prey predator matches background insects usually inactive body legs insect moves spider pair legs extremely quickly driving body upward millimetres forward half length body ends spider prey foremost pairs legs forming basket prey prey stops struggling resumes flattened pose feeds adopt active approaches different insect remains stationary flattened pose facing insect spider step slowly forward prey rocking keeping flattened pose rock moves half body length forward smoothly previous position performs cycles movements progressing millimetres cycle rests rocking motion disguise shadows tree trunk insect occasionally keeps stationary reaches half body length hunting jumping spiders background matches coloration uses waits hour jumping spider moves nearby suddenly turns prey resumes flattened pose moves millimetres prey resumes flattened pose prey moves away continues manoeuvre prey moves jumping spiders awareness flattened matching background apparently survive luck background matches coloration jumping spiders recognise threat especially prey week approach insects faster millimetres away necessary turning round face prey adopts flattened pose turn walks faster usual half body length test background matching coloration successful successful flies hunting spiders non matching background successful try eat spiders eggs enter voluntarily moves away touches accidentally bite threads pull strongly legs escape sticky behaviour different close relative hunts actively enter type web catch spiders eggs disturbed jumping spiders usually run away quickly leap chased stays flattened posture harassed runs quickly millimetres adopts flattened posture finally walks away minutes later reproduction courtship male spiders spin small web store larger females spins horizontal vertical platform twice spider length diameter lay eggs times leaves discarded hanging platform female egg sac placed shallow cavity surface log taxonomy distribution spider genus family jumping spiders subfamily thought primitive molecular phylogeny technique compares dna organisms reconstruct tree life indicates member clade basal similar ancestors jumping spiders closest relative genus closest genus found sub tropical china india malaya including sri_lanka sumatra philippines species philippines sumatra philippines simon philippines india philippines philippines china malaysia singapore sumatra china china
Phaeacius