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	Authors Year Title Journal
2525	Kirby, P. 1990 Calligypona reyi (Fieber) (Hemiptera: Delphacidae) on the Gower Peninsula, Glamorgan. Entomologist’s Gazette 41(3): 111-112. pdf
2534	Kirillova, V.I. and V.G. Kuznetsova. 1990 B-chromosomes of Javesella pellucida Fabr. and other Delphacidae (Homoptera, Cicadinea). Tsitologiya [Cytologia] 32(3): 282-290.
2592	Körber-Grohne, U. 1990 Gramineen und Grünlandvegetationen vom Neolithikum bis zum Mittelalter in Mitteleuropa. Bibiotheca Botanica 139: 1-105.
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
2677	Kuznetsova, V.G. and V.I. Kirillova. 1990 Karyotypes and anatomic characteristics of the sex system in the Fulgoroidea (Homoptera, Cicadinea). Zoologicheskii Zhurnal 69(3): 24-31 [Russian]
2717	La Munyon, G. and T. Eisner. 1990 Effect of mite infestation on the anti-predator defenses of an insect. Psyche 97(1-2): 31-41.
2790	Li, F.C. et al. 1990 Studies on the biological characteristics of Agamermis sp. Chinese Journal of Zoology 25(3): 1-4.
2872	Liu, G., R.M. Wilkins, and R.C. Saxena. 1990 Feeding behaviour of the whitebacked planthopper Sogatella furcifera (Homoptera: Delphacidae) on resistant and susceptible rice plants and their extracts. Brighton Crop Protection Conference - Pests and Diseases, Surray. British Crop Protection Council. 1: 185-190.
2955	Mackun, I.R. and B.S. Baker. 1990 Insect populations and feeding damage among birdsfoot trefoil-grass mixtures under different cutting schedules. Journal of Economic Entomology 83(1): 260-267.
2961	Madan, Y.P. and J.P. Chaudhary. 1990 Effect of temperature and relative humidity on the development of Epiricania melanoleuca (Fletcher) (Epipyropidae: Lepidoptera). Haryana Agricultural University Journal of Research 20(4): 252-258.
2998	Manti, I. and B.M. Shepard. 1990 Predation of brown planthopper (BPH) eggs by Cyrtorhinus lividipennis Reuter. International Rice Research Newsletter 15(6): 25. pdf
3074	Mead, F.W. 1990 Bureau of Entomology. Tri-Ology 29(5): 4-5.
3097	Medler, J.T. 1990 Review of Jamella Kirkaldy and Malleja, new genus in Australia and New Guinea with descriptions of new species (Homoptera: Flatidae). Invertebrate Taxonomy 3(7): 995–1004. pdf
3098	Medler, J.T. 1990 Sosephena and Trisephena, two new genera from New Guinea with tricarinate frons (Homoptera: Flatidae). Bishop Museum Occasional Papers 30: 204–218. pdf
3099	Medler, J.T. 1990 Types of Flatidae (Homoptera). XIV. Walker and Distant types in the British Museum (England, UK.) Oriental Insects 24: 127–195. pdf
3100	Medler, J.T. 1990 Types of Flatidae XIII, lectotype designations and taxonomic notes on African species in the Zoological Museum of the Humboldt-University Berlin (Homoptera, Fulgoroidea). Deutsche Entomologische Zeitschrift 37(1-3): 105–118. pdf
3269	Moratorio, M.S. 1990 Host-finding and oviposition behavior of Anagrus mutans and Anagrus silwoodensis (Hymenoptera: Mymaridae). Environmental Entomology 19(1): 142-147.
3275	Mori, K. and F. Nakasuji. 1990 Genetic analysis of the wing-form determination of the small brown planthopper, Laodelphax striatellus (Hemiptera: Delphacidae). Researches on Population Ecology 32(2): 279-287.
3286	Morris, M.G. 1990 The Hemiptera of two sown calcareous grasslands. I. Colonization and early succession. Journal of Applied Ecology 27(2): 367-378.
3287	Morris, M.G. 1990 The Hemiptera of two sown calcareous grasslands: II. Differences between treatments. Journal of Applied Ecology 27(2): 379-393.
3288	Morris, M.G. 1990 The Hemiptera of two sown calcareous grasslands. III. Comparisons with the Auchenorrhyncha faunas of other grasslands. Journal of Applied Ecology 27(2): 394-409.
3352	Narayanasamy, P. and P. Baskaran. 1990 Karyomorphological studies of an Indian population of brown planthopper Nilaparvata lugens (Stal). Entomon 15(1-2): 99-102
8569	Wu, R.Z. 1990 The influence of the resistance of wild rice on ovarial development and copulation of the brown planthopper. Acta Phytophylacica Sinica 17(2): 133-137.
3450	Noda, H. 1990 Geographic variation of nymphal diapause in the small brown planthopper, Laodelphax striatellus. Shokubutsu Boeki 44(10): 437-441.
3454	Noda, T. and K. Kiritani. 1990 Landing places of migratory planthoppers. Shokubutsu Boeki 44(6): 281-284.

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