Chemical Control for Host-Parasitoid Model within the Parasitism Season and Its Complex Dynamics

Figure 5

Attractors of model (4) for different parameter values and . The parameter values are as follows: ,  ,  ,  ,  ,  ,  , and   in (a-b), in (c-d), in (a, c), and in (b, d).

(a)

(b)

(c)

(d)