J. Zijp

Syrrhizus delusorius and Scambus pomorum, two parasitoids of the apple blossom weevil.

L. Blommers, J. Zijp, 1992 .

Lathrolestes ensator, a parasitoid of the apple sawfly.

L. Blommers, J. Zijp, 1993 .

Apple sawfly Hoplocampa testudinea (Hym., Tenthredinidae) and its parasitoid Lathrolestes ensator in Dutch apple orchards (Hym., Ichneumonidae, Ctenopelmatinae)

L. Blommers, J. Zijp, L. Blommers, 2002 .

Impact of the parasitoid Lathrolestes ensator (Hym., Ichneumonidae, Ctenopelmatinae) as antagonist of apple sawfly Hoplocampa testudinea (Hym., Tenthredinidae)

L. Blommers, J. Zijp, 2002 .

Prediction of flight of apple sawfly, Hoplocampa testudinea, using temperature sums

L. Blommers, J. Zijp, 1997 .

Biology of Centistes delusorius, a parasitoid of adult apple blossom weevil

J. Zijp, Leo H. M. Blommers, 2002 .