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	Authors Year Title Journal
9591	Koyama, K. and J. Mitsuhashi. 1969 Artifical feeding of smaller brown planthopper, Laodelphax striatellus Fallen (Hemiptera: Delphacidae). Japanese Journal Applied Entomology and Zoology 13: 89-90. [Japanese] pdf
9592	Koyama, K. and J. Mitsuhashi. 1973 A dietary factor affecting the wing form of Laodelphax striatellus Fallén (Hemiptera: Delphacidae). Japanese Journal Applied Entomology and Zoology 17(2): 111-113 pdf
9593	Koyama, K. and J. Mitsuhashi. 1975 Essential amino acids for growth of the smaller brown planthopper, Laodelphax striatellus Fallen (Hemiptera: Delphacidae). Japanese Journal of Applied Entomology and Zoology 10(3): 208-215. pdf
9594	Koyama, K. and J. Mitsuhashi. 1976 Differences in oviposition of the smaller brown planthopper, Laodephax striatellus, in response to various amino acid solutions (Hemiptera : Delphacidae). Applied Entomology and Zoology 11(1): 33-37. pdf
9595	Koyama, K. and J. Mitsuhashi. 1977 Essential vitamins for the nymphal growth of the smaller brown planthopper, Laodelphax striatellus Fallen. Japanese Journal of Applied Entomology and Zoology 21: 23-26.[Japanese with English summary] pdf
2596	Koyama, K. 1979 Rearing of the brown planthopper, Nilaparvata lugens Stål (Hemiptera: Delphacidae) on a synthetic diet. Japanese Journal of Applied Entomology and Zoology 23(1): 39-40. pdf
2597	Koyama, K. 1981 Survival of larvae of the brown planthopper, Nilaparvata lugens (Stål) (Hemiptera: Delphacidae) on sugar solutions. Japanese Journal of Applied Entomology and Zoology 25(2): 125-126. pdf
2598	Koyama, K. 1985 Nutritional physiology of the brown planthopper, Nilaparvata lugens Stål (Hemiptera: Delphacidae). Chinese Journal of Entomology 4(2): 93-105. pdf
2599	Koyama, K. 1985 Nutritional physiology of the brown rice planthopper, Nilaparvata lugens Stål (Hemiptera: Delphacidae) 1. Effect of sugars on nymphal development. Applied Entomology and Zoology 20(3): 292-298. pdf
2600	Koyama, K. 1985 Nutritional physiology of the brown rice planthopper, Nilaparvata lugens Stål (Hemiptera: Delphacidae). 2. Essential amino acids for nymphal development. Applied Entomology and Zoology 20(4): 424-430. pdf
2601	Koyama, K. 1986 Nutritional physiology of the brown rice planthopper, Nilaparvata lugens Stål (Hemiptera: Delphacidae). III. Essential vitamins for nymphal development Japanese Society of Applied Entomology and Zoology 21(2): 252-257 pdf
2602	Koyama, K. 1988 Artificial rearing and nutritional physiology of the planthoppers and leafhoppers (Hemiptera: Delphacidae and Deltocephalidae) on a holidic diet). Japan Agricultural Research Quarterly 22(1): 20-27. pdf
2603	Koyama, K. 1991 Essential vitamins for nymphal growth of white-backed planthopper Sogatella furcifera Horvath (Hemiptera: Delphacidae). Japanese Journal of Applied Entomology and Zoology 35(4): 297-301. pdf
2604	Koyama, K. 1991 Parasitism and predation by the dryinid wasp, Haplogonatopus atratus Esaki et Hashimoto on the plant and leafhoppers. Shokubutsu Boeki 45(10): 427-431. pdf
2605	Koyama, K. 1992 Essential amino acids for nymphal growth of the white-backed planthopper Sogatella furcifera (Horvath) (Hemiptera: Delphacidae). Japanese Journal of Applied Entomology and Zoology 36(3): 177-181. pdf
2606	Koyama, K. 1995 Studies on the nutritional requirements of planthoppers and leafhoppers with development of methods rearing them on artificial diets. Bulletin of the National Institute of Agro-Environmental Sciences 12: 1-74. pdf
7455	Koyama, K. 1991 Parasitizatism by the Dryinind wasp, Haplogonatopus atratus Esaki et Hashimoto and predation on the white-backed planthopper Sogatella furcifera. Proceedings of the Kanto-Tosan Plant Protection Society 38: 153-154. pdf
9268	Koya, V.K.M. 1974 Brownhopper, the destructive pest. Kurukshetra 22(19): 13.
6231	Kovanci, O.B., N.S. Gençer, B. Kovanci and H.C. Akgül. 2004 Bursa ili çilek Alanlaerinda Bulunan Homoptera Türleri.[Homoptera Species Found in Strawberry Fields in Bursa]. Tarim Bilimleri Dergisi 10(3): 318-322.[Turkish] pdf
13237	Koufakis, I., M. Pappas, A. Kalaitzaki, A. Tsagkarakis, D. Tzobanoglou, D. Perdikis, and G. Broufas. 2019 Philaenus spumarius (L.) (Homoptera: Aphrophoridae) and other potential insect vectors of Xylella fastidiosa in Western Crete (Greece) olive groves. IOBC-WPRS Bulletin 141: 82-86. pdf
2594	Kosztarab, Michael, L.B. O'Brien, M.B. Stoetzel, L.L. Deitz, and P.H. Freytag. 1990 Problems and needs in the study of Homoptera in North America. In: M. Kosztarab and C.W. Schaefer. Systematics of North American Insects and Arachnids: Status and Needs. Virginia Agricultural Experiment Station Information Series 90-1. Blacksburg, Virginia Polytechnic institute and State university. Pp. 119-145. pdf
5273	Kosugi, Y. 2007 Occurrence of green flatid planthopper, Geisha distinctissima (Walker) in tea [Camellia sinensis] fields in Shizuoka Prefecture [Japan] and efficacy of pesticides against green flatid planthopper. Tea Research Journal 104: 67-72.
14623	Kosovac, A., Z. Curcic, J. Stepanovic, E. Rekanovic, and B. Duduk. 2023 Epidemiological role of novel and already known ‘Ca. P. solani’ cixiid vectors in rubbery taproot disease of sugar beet in Serbia. Scientific Reports 13(1): 1433; 1-15. https://doi.org/10.1038/s41598-023-28562-8.
14916	Kosovac, A., Z. Curcic, E. Rekanovic, J. Stepanovic, and B. Duduk. 2023 Reptalus quinquecostatus (Dufour, 1833) (Fulgoromorpha: Cixiidae) plant preferences in Serbia. In: 9th European Hemiptera Congress-Book of Abstracts, Prague, National Museum of the Czech Republic, 2023. Pp. 23-23
11054	Kosovac, A., S. Radonjic, S. Hrncic, O. Krstic, I. Tosevski, and J. Jovic. 2016 The role of Vitex agnus-castus and associated Hyalesthes obsoletus in the epidemiology of Bois Noir in Mediterranean Vineyards. Mitteilungen Klosterneuburg 66(1): 1-3. pdf

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