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	Authors Year Title Journal
4026	Settle, H.W. and L.T. Wilson. 1990 Invasion by the variegated leafhopper and biotic interactions: parasitism, competition, and apparent competition. Ecology 71: 1461-1470.
4040	Sharma, S. 1990 Record of Sogatella kolophan (Kirkaldy) a vector of Digitaria striate virus of grasses and cereals from rice in Nagaland, India. Bulletin of Entomology 31(1): 122-123.
4078	Shou, Z.B., and C.R. Cao. 1990 Studies on the population fluctuation of Nilaparvata lugens Stal and Sogatella furcifera (Horvath) on early rice. Entomological Knowledge 27(2): 67-72.
4083	Shukla, B.C. and S. Shrivastava 1990 Effect of weather factors on seasonal prevalence of rice white backed planthopper, Sogatella furcifera (Horvath). Indian Journal of Agricultural Research 24(2): 65-72.
4137	Sogawa, K. and T. Watanabe. 1990 Migration of the rice planthoppers in the post-Baiu season. Proceedings of the Association for Plant Protection of Kyushu 36: 90-94. [Japanese] pdf
4176	Spiller, N.J. 1990 An ultrastructural study of the stylet pathway of the brown planthopper Nilaparvata lugens. Entomologia Experimentalis et Applicata 54(2): 191-193.
4179	Srinivasa, N., C.A. Viraktamath, and T.S. Thontadarya. 1990 Influence of moon phase and weather on the light trap catches of insect pests of rice. Oryza 27(2): 183-190.
4180	Srinivas, P.R. and I.C. Pasalu. 1990 Occurrence of a fungal disease on brown planthopper of rice. Journal of Biological Control 4(1): 67.
4181	Stein, B. and K. Bogon. 1990 Zum Vorkommen der Bergzikade, Cicadetta montana. Insecta: Homoptera) in Nordhessen/Südniedersachsen und Westthüringen. Göttinger Naturkundliche Schriften 2: 65-72.
4202	Stresemann, E, H.J. Hannemann K. Klausnitzer-Band and K. Senglaub (eds.). 1990 Exkursionsfauna von Deutschland. Band 2/2. Wirbellose: Insekten. Zweiter Teil. 7. Auflage. Volk und Wissen Verlag, Berlin. .
4211	Strong, D. R., M.F. Antolin, and S. Rathbun. 1990 Variance and patchiness in rates of population change: a planthopper's case history. In: B. Shorrocks and I.R. Swingland, (eds.). Living in a patchy environment. Oxford University Press, Oxford. Pp. 75-90.
4394	Tsai, J.H., B. Steinberg, and B.W. Falk. 1990 Effectiveness and residual effects of seven insecticides on Dalbulus maidis (Homoptera: Cicadellidae) and Peregrinus maidis (Homoptera: Delphacidae). Journal of Entomological Science 25(1): 106-111.
4401	Tsaur, S.C. 1990 Tropiduchidae of Taiwan (Homoptera: Fulgoroidea), supplement. Bulletin of the Institute of Zoology Academia Sinica (Taipei) 29(4): 243-248. pdf
4402	Tsaur, S.C. 1990 Two new species of Cixius from California (USA) (Homoptera: Fulgoroidea: Cixiidae): With a revised key to the species of the genus. Bulletin of the Institute of Zoology Academia Sinica (Taipei) 29(1): 49-56. pdf
4403	Tsaur, S.C. 1990 Two new species of Oliarus from Taiwan (Homoptera: Fulgoroidea: Ciciidae), with proposition and discussion on Oliarus horishanus group. Bulletin of the Institute of Zoology Academia Sinica (Taipei) 29(3): 135-139. pdf
4419	Tulowitzki, I. 1990 Einfluß der Beweidung auf die Populationsstruktur der Kleinzikade Psammotettix putoni (Hom. Auch.) in der Salzwiese der schleswig-holsteinischen Westküste. Verhandlungen der Gesellschaft für Ökologie 19(2): 152-162.
4427	Umeda, K. and M. Hirano. 1990 Inhibition of rice virus transmission by esfenvalerate and its mechanisms. Applied Entomology and Zoology 25(1): 59-65. pdf
4472	Van Stalle, J. 1990 Neodiostrombus Muir, 1918 (Homoptera, Derbidae) with the description of four new species from New Guinea. Bulletin de l'Institut Royal des Sciences Naturelles de Belgique Entomologie 60: 185-189.
4473	Van Stalle, J. 1990 New species, a key and distribution of the genus Proutista (Homoptera, Derbidae) in New Guinea. Indo-Malayan Zoology 6(1): 101-118. pdf
4478	Varma, A., B.K. Tandan, and K. Singh. 1990 A new record of Entomophthora sp. (Zygomycotina: Entomophthorales) on sugarcane leaf hopper, Pyrilla perpusilla (Homoptera: Lophopidae) from Uttar Pradesh. Journal of Biological Control 4(2): 125-126.
4491	Velusamy, R., B. Thayumanavan, S. Sadasivamand S. Jayaraj. 1990 Effect of steam distillate extract of resistant wild rice Oryza officinalis on behavior of brown planthopper Nilaparvata lugens (Stal) (Homoptera: Delphacidae). Journal of Chemical Ecology 16(3): 809-817.
4593	Wais, A. 1990 Biologie und Ernährung von Zwergzikaden. Homoptera: Auchenorrhyncha) an Kartoffeln und deren Fähigkeit zur Übertragung des Kartoffel-Y-Virus (PVY). Thesis, University of Göttingen, Göttingen, Germany. Thesis
4607	Waloff, N. 1990 Superparasitism and multiparasitism of Cicadellidae and Delphacidae (Homoptera, Auchenorrhyncha). Entomologist 109(1): 47-52.
4662	Watanabe, T., H. Seino, C. Kitamura, and Y. Hirai. 1990 A computer program, LLJET, utilizing an 850 mb weather chart to forecast long-distance rice planthopper migration. Bulletin of the Kyushu National Agricultural Experiment Station 26(3): 233-260.
4678	Wei, Z.G. and S.H. Qin. 1990 A study on Eoeurysa flavacapitata Muir. Entomological Knowledge 27(2): 98–100. pdf

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