S. Mahunka szerk.: Folia Entomologica Hungarica 34/1. (Budapest, 1981)

Family: Pseudococcidae + 4. Trionymus newsteadi Green, 1917. - Young female was collected by the author in the Börzsöny Mts. (N Hungary), near the castle Drégely, from Quercus robur (May 25, 1980), a new host-plant for the species. The same species was also found in Budapest (July 26, 1980) on Q. pubescens and Q. robur. Acknowledgements: I thank Dr. D. MATILE-FERRERO (Natural History Museum, Paris) and Dr. F. KOZÁR (Research Institute for Plant Protection, Budapest) for help in generic determination and for assistance in species identification, as well as for the critical review of the manuscript. REFERENCES BALACHOWSKY, A. (1954): Les Cochenilles Palearctic de la Tribu des Diaspidini. - Inst. Pasteur (Paris) Mem.

Sei. p. 104-112. BORCHSENIUS, N.S. (1950): Cservecii i scsitovki S3SR . - Opr.po Fauna SSSR . A cad

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. Inst., Leningrad, p. 186. KOSZTARAB, M. and KO ZÁR, F. (1978): Pajzstetvek - Coccoidea. - In: Magyarország Állatvilága (Fauna Hungáriáé), XVHI, 22. Akadémiai Kiadó, Budapest, pp. Author's address: Dr. G. VINIS Laboratory of the Horticultural Company H-1135 Budapest Vágány u. 10 Hungary