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Published online by Cambridge University Press: 10 July 2009
Interspecies attraction studies in four species of bruchids (Callosobruchus analis (F.), C. chinensis (L.), C. maculatus (F.) and Zabrotes subfasciatus (Boh.)) showed that only males were attracted by the females of other species except in C. maculatus, the males of which were also attracted by males of Z. subfasciatus. C. chinensis showed no attraction towards any other species and none was attracted to it. On the other hand, C. maculatus males were attracted by females of C. analis and Z. subfasciatus and vice versa. C. analis and Z. subfasciatus showed no attraction towards each other.