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	Authors Year Title Journal
573	Chen, B.H. 1989 Effect of a parasitoid and rice cultivars on the brown planthopper, Nilaparvata lugens (Stal) (Homoptera: Delphacidae). Bulletin of the Society of Entomology (Taichung) 22: 7-13.
575	Chen, B.H. and J.Z. Yu 1989 Anagrus incarnatus Haliday, a new record from eggs of brown planthopper in Taiwan. Journal of Agricultural Research of China 38(4): 458-462.
581	Chen, C.C. and R.J. Chiu. 1989 Transmission of rice wilted stunt virus by brown planthopper (Nilaparvata lugens Stal.). Bulletin of Taichung District Agricultural Improvement Station. 23: 3-10. pdf
583	Chen, C.C and W.H. Ko. 1989 Epidemiological studies or rice stripe virus disease in Taiwan. Plant Protection Bulletin (Taiwan) 31(3): 290-303.
599	Chen, Y.X. 1989 Investigation on Dryinyds of Rice Planthoppers in Sinan County, Guizhou Province. Entomological Knowledge 26(2): 77-79.
688	Chua, T.H. and E. Mikil. 1989 Effects of prey number and stage on the biology of Cyrtorhinus lividipennis (Hemiptera: Miridae): a predator of Nilaparvata lugens (Homoptera: Delphacidae). Environmental Entomology 18(2): 251-255.
693	Chun, L-C., T-Y. Chung, and M.R. Wilson. 1989 Achilidae of Taiwan (Homoptera: Fulgoroidea). Taiwan Museum Special Publication Series 8: 1-64.
696	Chung, T-Y. 1989 Ricaniidae of Taiwan (Homoptera: Fulgoroidea). Taiwan Museum Special Publication Series 8: 171-204.
801	Cook, A.G. and T.J. Perfect. 1989 The population characteristics of the brown planthopper, Nilaparvata lugens, in the Philippines. Ecological Entomology 14(1): 1-9.
812	Courcy Williams, M. de. 1989 A preliminary list of the Irish Auchenorrhyncha (Homoptera). Bulletin of the Irish Biogeographical Society 12: 135-148.
814	Cravedi, P. 1989 Infestazioni di Metcalfa pruinosa (Say) (Auchenorrhyncha Flatidae) in provincia di Piacenza (Emilia-Romagna) [ Metcalfa pruinosa (Say) (Auchenorrhyncha Flatidae) infestation in the province of Piacenza (Emilia-Romagna) (Italy).] Bollettino di Zoologia Agraria di Bachicoltura 21: 203-205.
875	Deitz, L.L. and L.M. Osegueda. 1989 Effectiveness of bibliographic data bases for retrieving entomological literature: a lesson based on Membracoidea (Homoptera). Bulletin of the Entomological Society of America 20: 33-39.
926	den Hollander, J. 1989 Electrophoretic studies on planthoppers and leafhoppers of agricultural importance. Systematics Association Special Volume 39: 297-315.
959	Denno, R.F., K.L. Olmstead, and E.S. McCloud. 1989 Reproductive cost of flight capability: A comparison of life history traits in wing dimorphic planthoppers. Ecological Entomology 14: 31-44.
1043	Ding, J.H., F. Zhang, and C.L. Hu. 1989 New records of Delphacidae from northeastern district, China (Homoptera: Fulgoroidae [Fulgoroidea]). Journal of Nanjing Agricultural University [Nanjing Nongye Daxue Xuebao] 12(2): 119-121.
1112	Dlabola, J. 1989 Neue Issiden und Andere Zikadenarten des Mediterraneums und vom Zuliegenden Eremial (Homoptera, Auchenorrhyncha). [New issids and other species of cicadas of the Mediterranean Region and the adjacent Eremian Region (Homoptera: Auchenorrhyncha).] Sbornik Narodniho Muzea V Praze Rada B Prirodni Vedy 45(1): 21-59. [German] pdf
1150	Çali, S., Y. Özdemir and A. Kalkandelen. 1989 Ankara’da domateslerde örülen Stolbur hastaliği üzerinde araştirmalar. Bitki Koruma Bülteni 29(1-2): 85-108. pdf
1251	Edwards, G.B. and M.C. Thomas. 1989 Insect Detection - an Issid Planthopper, Hysteropterum punctiferum Walker. Tri-Ology 28(3): 5.
1252	Egan, B.T., C.C. Ryan, and R.I.B. Francki. 1989 Fiji disease. In: C. Ricaud, B. T. Egan, A. G. Gillaspie and C. G. Hughes, (eds.). Diseases of sugarcane. Elsevier, Amsterdam, the Netherlands. Pp. 263-287
5040	Kalkandelen, A. 1989 Türkiye Cixiidae (Homoptera) Türleri Üzerinde Taksonomik Çalışmalar, I. Familyanın Morfolojik Özellikleri ve Cins Teşhis. Anahtarı. IV. Pentastirini Pseudoliarus ve Eumecurus. [Taxonomic studies on species of Cixiidae (Homoptera) from Turkey. 4. Pentastirini: Pseudoliarus and Eumecurus]. Bitki Koruma Bulteni 29(3-4): 117-132. pdf
1323	Emeljanov, A.F. 1989 New species of leafhoppers (Homoptera, Cicadellidae) from the Mongolian Peopl's Republic and adjacent regions of the USSR. Nasekomye Mongolii [Insects of Mongolia] 10: 118-125. [In Russian]
1324	Emeljanov, A.F. 1989 On the problem of division of the family Cixiidae (Homoptera, Cicadina). Entomological Review 68(4): 54-67. [English translation of Entomologicheskoe Obozrenie 1989 68(1): 93-106 from Russian].
1325	Emeljanov, A.F. 1989 To the problem of division of the family Cixiidae (Homoptera, Cicadina). Entomologicheskoe Obozrenie 68(1): 93-106. [In Russian, English translation Entomological Review 1989 68(4): 54-67] pdf
1407	Emeljanov, A.F. and V.I. Kirillova. 1989 Trends and modes of the karyotype evolution in the Cicadina. I. Peculiarities and evolutionary changes of the karyotypes in the superfamily Cicadelloidea (Homptera). Entomologicheskoe Obozrenie 68(3): 587-603. [In Russian, English translation in Entomological Review 1990 69(3): 62-80].
1439	Emmrich, R. 1989 Kommt Cicadula longiventris (J. Sahlb.) in Mitteleuropa vor? Verhandlungen IX. Internationalen Symposiums fur Entomofaunistik Mitteleuropas (SIEEC) Gotha 1986: 378-383.

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