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Type 3 Functional Response Of Mice To Gypsy Moth Pupae: Is It Stabilizing?, Eric M. Schauber, Richard S. Ostfeld, Clive G. Jones
Type 3 Functional Response Of Mice To Gypsy Moth Pupae: Is It Stabilizing?, Eric M. Schauber, Richard S. Ostfeld, Clive G. Jones
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We conducted field experiments in 2002 and 2003 to determine whether the functional response of white-footed mice (Peromyscus leucopus ) to gypsy moth (Lymantria dispar ) pupae is decelerating (e.g. type 2) or accelerating (e.g. type 3) at low pupal density. In both experiments, live gypsy moth pupae were deployed in June (prior to the appearance of natural pupae) at densities of approximately 1, 8, and 35 pupae per mouse home range in oak-forest grids in upstate New York and monitored over 10 days for signs of predation. Pupae were deployed 1.5-m high on tree boles in 2002, whereas in …