Reference

Axel Schopf, Gernot Hoch (1998): Significance of Glytapanteles liparidis (Hym., Braconidae) as a regulator of gypsy moth, Lymantria dispar (Lep., Lymantriidae) in different host population densities. – USDA Forest Service General Technical Report, NE – NE-247: 1 - 346.