Dzokou Victor Joly Yana Wenceslas Soufo Laurentine Tamesse Joseph Lebel


Prunus africana is threatened in Cameroon by xylophagous and sap-sucking pest as Cacopsylla sp. This last causes deformations of the young leaves and buds and the plant end up losing all its leaves. Effective control of phytophagous pests requires a thorough understanding of their seasonal population dynamics. The objective of this work carried out on 150 young plants of P. africana in the nursery in Dschang, was to study the population dynamics of Cacopsylla sp. and the impact of climatic factors on the population. From January 2006 to December 2007, monthly collections of larvae, males and females of Cacopsylla sp. were carried out. The results showed, in 2006, three peaks (March, August and December) and two peaks in 2007 (March and August) with larvae. The fluctuation of males' population showed five peaks with two peaks in 2006 (March and December) and three peaks in 2007 (March, June and December) while in females' population, four peaks with two peaks in 2006 (March and December) and two peaks in 2007 (March and November). The annual numerical variation of Cacopsylla sp. individual is statistically correlated with variation of precipitations and the insolation. The precipitations have a negative effect on the numerical variation of males (r=-0.430, p<0.0360) and females (r=-0,434, p<0.0336) of Cacopsylla sp. The insolation has a positive effect on the numerical variation of males (r=0.732, p<0.0000002), females (r=0.653, p<0.000523) and the total individuals (r=0.601, p<0.00197) of Cacopsylla sp. With the larvae, the correlation was negative and non-significant. This work showed that March and December were better indicated to engage the fight against Cacopsylla sp. in Dschang.


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Cacopsylla sp, climatic factors, pest population, Prunus africana, Cameroon

Arora, P.K., Thind, S. K., Kaur N. and GrewalI. S. (1997). Population dynamics of citrus psylla, Diaphorina citri Kuwayama on kinnow mandarin in relation to temperature and relative humidity. Indian J. Ecol. 24: 179-183.
Aubert, B. (1988). Towards an integrated management of citrus greening disease. Proceedings of 10th Conference International Organization of Citrus Virologists, (IOCV' 88), pp: 226-230.
Aubert, B. (1987). Trioza erytheae del Guercio and Diaphorina citri Kuwayama (Homoptera:Psylloi dea), the two vectors of citrus greening disease: Biological aspects and possible control strategies. Fruits, 42 : 149-162.
Aubert, B., Garnier, M., Cassin, J.C. and Bertin, Y. (1988). Citrus greening disease survey in East and West African countries south of Sahara, pp. 231–237. In Proceedings of the Tenth Conference of the International Organisation of Citrus Virologists, 1988, Spain (Edited by L.W. Timmer, S.M. Garnsey and S.L. Navarro). University of California Press, CA, USA.
Awono, A., Tchindjang, M., Levang, P. (2015). Inventory of fixtures of the barks of Prunus africana: case of the areas of the North-West and the South-West of Cameroon. Scientific and Technical Review Forest and Environment of the Basin of Congo, 6, 46-59. [From French translation].
Bodnár, D., Csüllög, K. and Tarcali, G. (2018). Review of the biology of plant psyllid (Cacopsylla pruni, Scopoli 1763), and its role in the spreading of European stone fruit yellows, ESFY-phytoplasma with Hungarian data. Acta Agraria Debreceniensis, 74, 25-33. https://doi.org/10.3 4101/actaagrar/74/1660.
Burckhardt, D. and Lauterer, P. (1993). The jumping plant-lice of Iran (Homoptera-Psylloidea). Revue Suisse de Zoologie, 100, 829–898.
Carraro, L., Ferrini, F., Labonne, G., Ermacora, P. and Loi, N. (2004). Seasonal infectivity of Cacopsylla pruni, vector of European stone fruit yellows phytoplasma. Ann. Appl. Biol. 144: 191– 195.
Civolani, S. and Pasqualini, E. (2003). Cacopsylla pyri L. (Hom.,Psyllidae) and its predators relationship in Italy's Emilia Romagna region. J. Appl. Entomol. 127: 214-220.
Civolani, S., Cassanelli, S., Rivi, M., Manicardi, G.C., Peretto, R., Chicca, M., Pasqualini, E. and Leis, M. (2010). Survey of susceptibility to abamectin of pear psylla (Hemiptera: Psyllidae) in northern Italy. J. Econom. Entomol. 103: 816-822.
De Queiroz, D.L., Burckhardt, D. and Majer, J. (2012). Integrated Pest Management of Eucalypt Psyllids (Insecta, Hemiptera, Psylloidea). Chapter · February 2012. DOI: 10.5772/32631 · Source: InTech. https://www.researchgate.net/publication/22 1925827
Dzokou, V.J. (2010). Contribution to the study of the psyllids (Hemiptera-Psylloidea) of the West region of Cameroon and taxonomy of Homotomidae Heslop-Harrison of Cameroon. Thesis of Doctorat/Ph.D, University of Yaounde I, Cameroon, 201p. [From French translation].
Erler, F. (2004). Natural enemies of the pear psylla Cacopsylla pyri in treated vs untreated pear orchards in Antalya, Turkey. Phytoparasitica, 32 295-304.
Hodkinson, I. D. (2009): Life cycle variation and adaptation in jumping plant lice (Insecta: Hemiptera: Psylloidea) a global synthesis. Journal of Natural History, 43 : 65–179.
Lauterer, P. (1999): Results of investigations on Hemiptera in Moravia, made by Moravian Museum (Psylloidea 2). Acta Musei Moraviae. Science Biologicae (BRNO), 84 : 71–151.
Mapon, N.I. and Tamesse, J.L. (2014). Populations dynamic of Pseudophacopteron spp. (Hemiptera: Phacopteronidae), psyllids pest of Dacryodes edulis (Burseraceae) in Cameroon. International Journal of Agronomy and Agricultural Research, 5 (1): 56-73.
Noubissi, Y.E., Yana, W. and Tamesse, J.L. (2014). Population dynamic of Diclidophlebia eastopiVondrá?ek and Diclidophlebia harrisoni Osisanya, psyllids pest of Triplochiton scleroxylon (K. Schum) (Urticales: Sterculiaceae) in Yaoundé, Cameroon. Journal of Entomology, 11(4): 182-197.
Noubissi, Y.E., Yana, W. and Tamesse, J.L. (2016). Population dynamics of Phytolyma fusca Alibert (Hemiptera: Homotomidae), psyllids pest of Milicia excels (Welw) (Rosales: Moraceae) in Cameroon. Journal of Entomology and Zoology Studies, 4(6) : 256-262.
Ouvrard, D. (2018). Psyl' list – The World Psylloidea Database. http://www.hemiptera-databases. com/psyllist [accessed: 10.09.18], Doi:10.5519/0029634
Sanchez, J. A., Ortín-Angulo, M.C. (2012). Abundance and population dynamics of Cacopsylla pyri (Hemiptera: Psyllidae) and its potential natural enemies in pear orchards in southern Spain. Crop Protection, 32 : 24-29.
Soufo, L. and Tamesse, J.L. (2015). Population Dynamic of Blastopsylla occidentalis Taylor (Hemiptera: Psyllidae), a Psyllid Pest of Eucalypts. Neotrop. Entomol. 44(5): 504-512. DOI 10.1007/s13744-015-0304-7
Tamesse, J.L. and Messi, J. (2004). Factors influencing the population dynamics of the African citrus psyllid Trioza erytreae Del Guercio (Hemiptera:Triozidae) in Cameroon. International Journal of Tropical Insect Science, 24(3): 213-227. DOI:10.1079/IJT200429. [From French translation].
Tamesse, J.L. and Messi, J. (2002). Incidence of Trioza erytreae (del Guercio) (Homoptera: Triozidae), psyllid vector of Greening on the sensitivity of the citrus fruits seedlings in a nursery in Cameroon. Insect Sci. Applic. 22(2): 97-103. DOI: 10.1017/S1742758400015174. [From French translation].
Tamesse, J.L., Messi, J., Nguyen, T.X. and Quilici, S. (1999). Presence of Trioza erytreae Del Guercio, the psyllid of citrus fruits, in the principal ecoclimatic zones of Cameroon. Fruits, 54 : 311–321. [From French translation].
Tassé, B.D. (2006). Ecological impact of the exploitation of the bark of Prunus africa (Hook. F.) Kalkman in the area of the Mount Cameroon: Case of the Bokwango-Mapanja zone. Master of Engineer of Water, Forests and Hunting, University of Dschang, Cameroon. 56 p. [From French translation].
Teck, S.L.C., Fatimah, A., Beattie, A., Heng, R.K.J. and King, W.S. (2011). Seasonal Population Dynamics of the Asian Citrus Psyllid, Diaphorina citri Kuwayama in Sarawak. American Journal of Agricultural and Biological Sciences, 6(4) : 527-535.
Tsai, J.H., Wang, J.J. and Liu, Y.H. (2002). Seasonal abundance of the Asian citrus psyllid, Diaphorina citri (Homoptera: Psyllidae) in Southern Florida. Fla. Entomol., 85: 446-451. DOI: 10.1653/0015-4040(2002)085[0446: SAOTAC] 2.0.CO;2
Wang, C.L. (1981). Ecological studies of Asiatic citrus psyllid (Diaphorina citri K.) with special reference to its spatial distribution. J. Agric. Res. China, 30: 412-419.
Yana, W. (2012). Bioecology, Faunistic of psyllids (Hemiptera: Psylloidea) pest of plants in the Center Region and Taxonomy of Ciriacreminae Enderlein 1910 of Cameroon. Thesis of Doctorat/Ph.D, University of Yaounde I, Cameroon, 220p. [From French translation].
Zendedel, A., Burckhardt, D., Fekrat, L., Manzari, S. and Sadeghi N.H. (2016). An Annotated checklist of the jumping plant-lice (Hemiptera: Psylloidea) of Iran. Journal of the Entomological Research Society, 18(1) : 37–55.
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Victor Joly, D. ., Wenceslas, Y. ., Laurentine, S., & Joseph Lebel, T. (2020). Population dynamics of Cacopsylla sp. (Hemiptera: Psylloidea: Psyllidae), pest insect of Prunus africana (Rosaceae), medicinal plant species in Cameroon . Journal of Applied and Natural Science, 12(2), 221–228. https://doi.org/10.31018/jans.vi.2256
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