TADROS, A., VOERMAN, S. (1994). TREE BORER SEX PHEROMONES: (2) ATTRACTION OF MALE ZEUZERA PYRINA TO A MIXTURE OF EZ 2, 13-18: AC AND EZ 3,13-18: AC COMPARED WITH PUPAL SKIN COUNTS. Egyptian Journal of Agricultural Research, 72(1), 165-171. doi: 10.21608/ejar.1994.445444
ANTWAN W. TADROS; SEIMON VOERMAN. "TREE BORER SEX PHEROMONES: (2) ATTRACTION OF MALE ZEUZERA PYRINA TO A MIXTURE OF EZ 2, 13-18: AC AND EZ 3,13-18: AC COMPARED WITH PUPAL SKIN COUNTS". Egyptian Journal of Agricultural Research, 72, 1, 1994, 165-171. doi: 10.21608/ejar.1994.445444
TADROS, A., VOERMAN, S. (1994). 'TREE BORER SEX PHEROMONES: (2) ATTRACTION OF MALE ZEUZERA PYRINA TO A MIXTURE OF EZ 2, 13-18: AC AND EZ 3,13-18: AC COMPARED WITH PUPAL SKIN COUNTS', Egyptian Journal of Agricultural Research, 72(1), pp. 165-171. doi: 10.21608/ejar.1994.445444
TADROS, A., VOERMAN, S. TREE BORER SEX PHEROMONES: (2) ATTRACTION OF MALE ZEUZERA PYRINA TO A MIXTURE OF EZ 2, 13-18: AC AND EZ 3,13-18: AC COMPARED WITH PUPAL SKIN COUNTS. Egyptian Journal of Agricultural Research, 1994; 72(1): 165-171. doi: 10.21608/ejar.1994.445444
TREE BORER SEX PHEROMONES: (2) ATTRACTION OF MALE ZEUZERA PYRINA TO A MIXTURE OF EZ 2, 13-18: AC AND EZ 3,13-18: AC COMPARED WITH PUPAL SKIN COUNTS
1Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt.
2Research institute for Plant Protection, P.O. Box 9060, NL-6700 GW Wageningen, The Netherlands
Abstract
The leopard moth, Zeuzera pyrina L. (Lepidoptera : Cossidae ) is a serious polyphagous pest in fruit orchards in Egypt. Attraction of male moths to a mixture of E- 2, Z-13 - octadecadien - 1 - ol acetate and E -3, Z - 13- octadecadien - 1 - ol acetate compared with pupal skin counts were carried out in two pear orchards at Giza ( mid - Egypt) and Behera ( north - Egypt) governorates throughout the flight season of 1991. Male catches and pupal skin counts indicated that moths strated to emerge from May until October, and almost three peaks were noticed in a harmonized trend through two techniques used in June, July - August and September.