Reference

Andreas Wohltmann, F.-E. Wendt, Maria Schwarz-Waubke (1996): The life cycle and parasitism of the European grasshopper mite Eutrombidium trigonum (HERMANN 1804) (Prostigmata: Parasitengonae: Microthrombidiidae), a potential agent for biological control of grasshoppers (Saltatoria). – Experimtental & Applied Acorology – 20: 545 - 562.