Akers, R.C. & Nielson, D.G. 1984. Predicting Agrillus anxius (Col.: Buprestidae) adult emergence by heat unit accumulation. Journal of Economic Entomology, 77: 1459- 1463.
Basirat, M. 2008. Estimating the heat requirements for pistachio twig moth, Kermania pistaciella Amsel in field condition. Journal of Science and Technology of Agricultural and NaturalResources, 12: 339-349.
Basirat, M. & Seyedoleslami, H. 2001. Post Overwintering Heat requirement for Pistachio Seed Wasp [Eurytoma Plotnikovi Nikolskaya (Hym.: Eurytomidae)]. Journal of Science and Technology of Agricultural & Natural Resources, 5: 339-349.
Brunner, J.F. 1984. The development, distribution and sampling for the pear psyllid, Psylla pyricola. Bulletin SROP, Washington State; USDA, 7: 81-96.
Dastgheyb–Beheshti, N. & Seyedoleslami, H. 1987. Forecasting codling moth phenology based on the degree day summation in the apple orchard in west of Esfahan. Entomology and Phytopathology Applicata, 54: 25-43.
Diaz, B. M., Muniz, M., Barrios, L. & Fereres, A. 2007. Temperature thresholds and thermal requirements for development of Nasonovia ribisnigri (Hemiptera: Aphididae). Environmental Entomology, 36: 681-688.
Fatzinger, C.W. & Dixon, W.N. 1996. Degree-Day models for predicting levels of attack by slash pine flower thrips (Thysanoptera: Phlaeothripidae) and the phenology of female strobilus development on slash pine. Environmental Entomology, 25: 727-735.
Graf, B., Hohn, H.U., Hohn, H. & Samietz, J. 2006. Temperature effects on egg development of the rosy apple aphid and forecasting of egg hatch. Entomologia Experimentalis et Applicata, 119: 207-211.
Gullan, P.J. & Cranston, P.S. 2005. The Insects: An Outline of Entomology. (3rd ed.) Blackwell Publishing.
Gurr, G.M., Wratten, S.D. & Altieri, M.A. 2004. Ecological Engineering for Pest Management. CSIRO Publishing.
Hassani, M.R. 2009. Bioecology and economic injury level of Agonoscena pistaciae (Hem.: Psyllidae) in Rafsanjan region of Iran. Ph. D. dissertation, Islamic Azad University, Science and Research Branch, Tehran, Iran. (in Persian with English abstract).
Horton, D.R., Higbee, B.S., Unruh, T.R. & Westigard, P.H. 1992. Spatial characteristics and effects of fall density and weather on overwintering loss of pear psylla (Homoptera: Psyllidae). Environmental Entomology. 21: 1319-1332.
Mehrnejad, M. R., 1998. Evaluation of the parasitoid Psyllaephagus pistaciae (Hymenoptera: Encyrtidae) as a biocontrol agent of the common pistachio psylla Agonoscena pistaciae (Hemiptera: Psylloidea). PhD Thesis, Wye College, University of London, UK.
Mehrnejad, M.R. & Jalali, M.A. 2004. Life history parameters of the coccinellid beetle, Oenopia conglobata contaminata, an important predator of the common pistachio psylla, Agonoscena pistaciae (Hemiptera: Psyllidae). Biocontrol Science and Technology, 14: 701-711.
Norris, R.F., Caswell-Chen E.P. & Kogan, M. 2002. Concepts in Integrated Pest Management. Prentice-Hall of India, New Delhi.
Pedigo, L.P. 2002. Entomology and Pest Management (4th ed.), Prentice-Hall, India.
Pruess, K.P. 1983. Day-degree methods for pest management. Environmental Entomology, 12: 613-619.
Purcell, M. & Weeter, S.C. 1990. Degree-day model for development of Calocoris norvegicus (Hemiptera: Miridae) and timing of management strategies. Environmental Entomology, 19: 848-853.
Roltsch, W.J., Zalom, F.G., Strawn, A.J., Strand, J.F. & Pitcairn, M.J. 1999. Evaluation of several degree-day estimation methods in California climates. International Journal of Biometeorology, 42: 169–176.
Sharpe, J.H. & DeMichele, D.W. 1977. Reaction kinetics of poikilotherm development. Journal of Theoretical Biology, 64: 649-670.
Sheibani, A., Farivar-Mahin, H. & Azghandi, A. 1995. Pistachio production in Iran. Ministry of Agriculture, Agricultural and Educational Organization, Pistachio Research Institute. (in Persian).
UC IPM Online, 2009. Statewide Integrated Pest Management Program: How to manage pests-Degree-Days. Available from URL: http://www.ipm.ucdavis.edu/WEATHER/ ddretrieve.html. (Accessed September 2009).
Zalom, F.G., Goodell, P.B., Wilson, L.T., Barnett, W.W. & Bentley, W.J. 1983. Degree-days: The calculation and use of heat units in pest management. University of California, Division of Agriculture and Natural Resources.