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	Authors Year Title Journal
1245	Easton. E.R., and W.W. Pun. 1999 Observations twelve families of homoptera in Macau, southeastern China, from 1989 to the present. Proceedings of the Entomological Society of Washington 101(1): 99-105. pdf
2154	Hollier, J.A. 2004 Observations sur les Hemiptera des prairies montagnardes du Jura vaudois. Bulletin Romand d'Entomologie 22: 3-14.
5767	Lindsten, K. and M. Conti. 1977 Observations on Transmission of some Phytoreoviruses by different lines of vector planthoppers. Annales de Phytopathologie 9(3): 307-311.
4990	Zhong, D.L. 1984 Observations on the relation between migration of Nilaparvata lugens Stal and climatic conditions. Entomological Knowledge 21(3): 97-99.
2142	Hogue, C. L. 1984 Observations on the plant hosts and possible mimicry models of ‘lantern bugs’ (Fulgora spp.) (Homoptera: Fulgoridae). Revista de Biologia Tropical 32(1): 145-150 pdf
4854	Xu, C.D. 1982 Observations on the occurrence of Sogatella furcifera Hovarth in eastern area of Fujian Province. Entomological Knowledge 19(3): 8-11.
11847	Mayse, M. A. 1981 Observations on the occurrence of chalky deposits on forewings of Oncometopia orbona (F.) (Homoptera: Cicadellidae). Arkansas Academy of Science Proceedings XXXV: 84-86. pdf
3503	Kurczewski, F. E. and C. J. Lane. 1974 Observations on the nesting behavior of Mimesa (Mimesa) basirufa Packard and M. (M.) cressonii Packard (Hymenoptera: Sphecidae). Proceedings of the Entomological Society of Washington Proceedings of the Entomological Society of Washington pdf
2014	Hegab, A.M., Orosz, A., and G. Jenser. 1980 Observations on the larvae and imagoes of some Allygus species (Homoptera). Folia Entomologica Hungarica 33(10: 61-66.
6589	d'Urso, V., S. Ippolita, and F. Lombardo. 1983 Observations on the Heteroptera and Homoptera Auchenorrhyncha of Sicily. In: S. Drosopoulos, (ed.). Proceedings of the 1st International Congress Concerning the Rhynchota Fauna of Balkan and Adjacent Regions 29 August - 2 September 1983, Mikrolimni- Prespa, Greece. Pp. 13-14. pdf
9654	Mathur, P.N. and A.NT. Joseph. 1961 Observations on the external morphology of Liburnia furcifera (Horvath) (Homoptera, Fulgoroidea, Aræopidæ). Proceedings: Plant Sciences 53(5): 263-273.
4857	Xu, S.P. et al. 1984 Observations on the egg hatching ratio of Nilaparvata lugens (Stal) on barnyard grass. Entomological Knowledge 21(4): 151-152.
11441	Metcalfe, J.R. 1971 Observations on the ecology of Saccharosydne saccharivora (Westw.) (Hom., Delphacidae) in Jamaican sugar-cane fields. Bulletin of Entomological Research. 60(4): 565-597. doi:10.1017/S0007485300042334.
8365	Rajendram, G.F. and D.J.E. Daniel. 1986 Observations on the biology of Nilaparvata lugens (Homoptera: Delphacidae). Vingnanam [Journal of Science] 1(1): 8-13.
3830	Riley, J.R., D.R. Reynolds, A.D. Smith, L.J. Rosenberg, X-n. Cheng, X-x Zhang, G-m. Xu, J-y. Cheng, A-d. Bao, B-p. Zhai,and H-k. Wang. 1994 Observations on the autumn migration of Nilaparvata lugens (Homoptera: Delphacidae) and other pests in east central China. Bulletin of Entomological Research 84(3): 389-402.
1736	Gerard, P.J. 1992 Observations on superparasitism in a natural population of Centrodora scolypopae (Hymenoptera: Aphelinidae). New Zealand Entomologist 15: 32-38. pdf
3194	Mishra, R.K. 1981 Observations on some aspects of digestive physiology of Nisia atrovenosa Leth. (Derbidae: Fulgoroidea). Comparative Physiology and Ecology 6(4): 225-228.
2090	Hirao, J. and K. Ito. 1980 Observations on rice planthoppers collected over the East China Sea in June and July, 1974. Japanese Journal of Applied Entomology and Zoology 24(2): 121-124. pdf
9360	Wan, M.T.K. 1972 Observations on rice leaf and planthoppers in Sarawak (Malaysian Borneo). Malaysian Agricultural Journal 48(4): 308-335.
11303	Ramachandran Nair, K. 2002 Observations on Proutista moesta (Westw.) (Homoptera: Derbidae), the vector of palm diseases in Kerala State, India. The Planter 78: 619-625.
4907	Ye, Z.Z., et al. 1981 Observations on migration of Nilaparvata lugens Stal. Entomological Knowledge 18(3): 97-100.
9338	Soehardjan, M. 1973 Observations on leaf- and planthoppers on rice in West Java. Contributions, Central Research Institute for Agriculture, Bogor 3: 10 pp.
10086	Li, M.Y., H.F. Lin, L. Jin, and S.Y. Zhang. 2011 Observations on infection of Nilaparvata lugens by Metarhizium flavoviride using a scanning electron microscope. Journal of Applied Entomology 48(5): 1412-1416. [Chinese]
6965	Weaving, A.J.S. 1980 Observations on Hilda patruelis Stal. (Homoptera, Tettigometridae) and its infestation of groundnut crops in Rhodesia. Journal of the Entomological Society of Southern Africa 43: 151-157.
11317	Whitehead P.F. and R.S. Key. 2010 Observations on British Issus (Hemiptera, Issidae) with reference to development, periodicity and ecology. Worcestershire Record 29: 22-27. pdf

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