ABDEL-HAFEZ, A., EL-KHAYAT, E., SHALABY, F., EL-SHAIRKAWY, M. (2001). ACCEPTANCE AND PREFERENCE OF PINK BOLLWORM AND SOME LEPIDOPTEROUS EGGS FOR PARASITISM BY TRICHOGRAMMA. Egyptian Journal of Agricultural Research, 79(1), 1233-1321. doi: 10.21608/ejar.2001.397351
ALIA ABDEL-HAFEZ; EZAT F. EL-KHAYAT; FAWZY F. SHALABY; MANAL A. A. EL-SHAIRKAWY. "ACCEPTANCE AND PREFERENCE OF PINK BOLLWORM AND SOME LEPIDOPTEROUS EGGS FOR PARASITISM BY TRICHOGRAMMA". Egyptian Journal of Agricultural Research, 79, 1, 2001, 1233-1321. doi: 10.21608/ejar.2001.397351
ABDEL-HAFEZ, A., EL-KHAYAT, E., SHALABY, F., EL-SHAIRKAWY, M. (2001). 'ACCEPTANCE AND PREFERENCE OF PINK BOLLWORM AND SOME LEPIDOPTEROUS EGGS FOR PARASITISM BY TRICHOGRAMMA', Egyptian Journal of Agricultural Research, 79(1), pp. 1233-1321. doi: 10.21608/ejar.2001.397351
ABDEL-HAFEZ, A., EL-KHAYAT, E., SHALABY, F., EL-SHAIRKAWY, M. ACCEPTANCE AND PREFERENCE OF PINK BOLLWORM AND SOME LEPIDOPTEROUS EGGS FOR PARASITISM BY TRICHOGRAMMA. Egyptian Journal of Agricultural Research, 2001; 79(1): 1233-1321. doi: 10.21608/ejar.2001.397351
ACCEPTANCE AND PREFERENCE OF PINK BOLLWORM AND SOME LEPIDOPTEROUS EGGS FOR PARASITISM BY TRICHOGRAMMA
1Plant Protection Research institute, Agricultural Research Centre, Dokki, Giza, Egypt
2Plant Protection Department, Faculty of Agriculture, Moshtohor, Benha, Egypt
Abstract
Two sets were designed to determine the acceptance and preference of some lepidopterous hosts to be parasitized by Trichogramma evanescerrs and Trichografrotatoidea bactrae females which had been maintained on angoumois grain moth, Sitotroga cereaiella eggs (original culture) for more than 10 generations, In the first set, Trichogramma female was offered the choice between acerealeila eggs (the original host) and those of each of the other five hosts pink bollworm Pectinophora gossypielta Saunders, spiny bollworm Eaoas ftsuiana Boised, black cutworm Agra ipsifor? Hufn, rice bran moth Corcyre cephalonica and Mediterranean flour moth Ephestia kuelygelia. Data revealed that females of the two parasitoids accepted to parasitize eggs of the six lepidopterous species with different levels of preference. i.e., 2.0-2.9 contacts & 10.75-21.79 parasitized eggs by Teveroescens and 1.2-3.0 contacts & 6.04-32_46 parasitized eggs by Tbactrae . The two parasitoid females didn't prefer S.cereatelia more than either of the remaining five hostes. In the second set. eggs of the six host species were exposed to Trkhogramma females, eggs of the six host species were also accepted for parasitism with different levels of preference. The acceptance and preference behavior between the two parasitoids were insignificet. While, P.gossypiefla eggs were the most preferred by females of the two species over those of the remaining five hosts.
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