From: Behavioural manipulation of insect hosts by Baculoviridaeas a process of niche construction
i
β L,i
τ i
λ i
θ i
ZG
β L (1 + γ)
τ(1 - γ)
λ
θ l
Zg
β L
τ
0
zG
β L (1- γ)
τ(1 + γ)
θ h
zg