▁family ▁Hem is cor pi idae , ▁with ▁about ▁ 1 6 ▁described ▁species . ▁Before ▁Hem is cor pi idae , ▁the ▁term ▁used ▁for ▁the ▁family ▁was ▁I sch n ur idae , ▁which ▁had ▁to ▁be ▁changed ▁due ▁to ▁a ▁naming ▁conflict ▁with ▁the ▁dam self ly ▁family ▁of ▁the ▁same ▁name . ▁They ▁at ▁one ▁point ▁also ▁held ▁the ▁name ▁L io ch el idae . ▁ ▁In ▁ 2 0 1 5 , ▁research ▁on ▁the ▁evolution , ▁bi oge ography ▁and ▁ph y log eny ▁of ▁the ▁families ▁H orm ur idae , ▁Hem is cor pi idae , ▁and ▁H eter os cor p ion idae ▁left ▁Hem is cor pi idae ▁with ▁a ▁single ▁genus , ▁Hem is cor pi us , ▁the ▁remaining ▁ 1 5 ▁merged ▁or ▁transferred ▁to ▁other ▁families . ▁ ▁Description ▁Most ▁species ▁of ▁Hem is cor pi us ▁have ▁a ▁very ▁flat ▁and ▁broad ▁body ▁plan , ▁due ▁to ▁their ▁main ▁habitat ▁in ▁tight ▁rock ▁cre v ices . ▁ ▁Distribution ▁Hem is cor pi us ▁is ▁distributed ▁throughout ▁the ▁Middle ▁East ▁and ▁Ind om al aya . ▁ ▁Human ▁interaction ▁Hem is cor pi us ▁has ▁a ▁strong ▁ven om ; ▁especially ▁that ▁of ▁Hem is cor pi us ▁le pt urus ▁can ▁result ▁in ▁dead ly ▁acc idents . ▁ ▁Species ▁These ▁ 1 7 ▁species ▁belong ▁to ▁the ▁genus ▁Hem is cor pi us : ▁▁ ▁Hem is cor pi us ▁ac anth oc erc us