1. Distribution and Ecology of the Russian Wheat Aphid,Diuraphis noxia (Kurdj.), expanded to Central Europe (Hom.: Aphididae)

   • P. Stary

   OriginalPaper 01 April 1999 Pages: 25 - 30

2. Winter wheat pests and their natural enemies under organic farming system in Slovakia: Effect of ploughing and previous crop

   • J. Gallo
   • S. Pekár

   OriginalPaper 01 April 1999 Pages: 31 - 36

3. Zur Ausbreitung des Eukalyptusbohrers,Phoracantha semipunctata (F.), im Mediterranraum und auf den Kanarischen Inseln (Coleoptera: Cerambycidae)

   • W. Schedl

   OriginalPaper 01 April 1999 Pages: 37 - 40

4. Flight patterns of Russian wheat aphid,Diuraphis noxia (Kurdj.) during its expansion to Central Europe (Hom., Aphididae)

   • Hana Lukašová
   • Zsuzsa Basky
   • Petr Stary

   OriginalPaper 01 April 1999 Pages: 41 - 44

5. Laboratory studies on the effect of temperature and humidity on the life table of the whitefly,Aleurotuberculatus takahashi David & Subramaniam (Hom., Aleyrodidae) from southeastern China

   • C. Sengonca
   • B. Liu

   OriginalPaper 01 April 1999 Pages: 45 - 48

6. Zur Weiterentwicklung eines halbsynthetischen Nährmediums fürIps typographus L.

   • J. Mattanovich
   • M. Ehrenhöfer
   • E. Führer

   OriginalPaper 01 April 1999 Pages: 49 - 51

7. Die pfirsichschildlausParthenolecanium persicae (F.) in Südbaden—ein für Deutschland neuer schädling der WeinrebeVitis vinifera L.

   • Ch. Hoffmann
   • H. Schmutterer

   OriginalPaper 01 April 1999 Pages: 52 - 54

8. Effect of the nymph prey density of the two spotted spider miteTetranychus urticae Koch on the consumption and reproduction rates of the predacious miteCydnoseius negevi (Swirski & Amitai) in absence and presence of nymphs of the white flyBemisia tabaci (Genn.) (Acari: Phytoseiidae)

   • E. M. El-Banhawy
   • S. M. Hafez
   • S. A. Saber

   BriefCommunication 01 April 1999 Pages: 55 - 56