Connect (link) a roll model for flow rate by changing predator of the BPH rate = death attack * bph egg * (adult mirid nymph +) change the flow rate of the birth bph-dependent birth rate = mirid * egg * adult mirid bph.
Connect (link) model of cigarettes predators by changing the flow rate of BPH death is = attack rate * bph egg * (nymph + adult mirid) change the flow rate of mirid birth is = bph-dependent birth rate * bph egg *. adult mirid