Ectoparasitoid Dinarmus basalis causes greater offspring loss to the winged morph of Callosobruchus maculatus
نویسندگان
چکیده
The pest cowpea weevil Callosobruchus maculatus (F.) (Coleoptera: Chrysomelidae) exhibits polymorphism with flight and flightless forms that differ in morphology life-history. Flight are generally dispersers lower fecundity increase frequency when population density intraspecific competition both high. larvae can cause important damage to stored grains the solitary ectoparasitoid Dinarmus basalis (Rondani) (Hymenoptera: Pteromalidae) is considered be a good candidate biological control agent. However, whether morphs likelihood of their offspring surviving attack unknown. Understanding this has implications for status following control. We found by D. lowered number emerging produced morphs. was most effective at reducing survival morph parents, suggesting there may further cost dispersal C. maculatus. Parental type did not influence behavior or development foraging, so mechanism resulting difference remains unclear. Nevertheless, our study shows affects morphs, as required an biocontrol These results contribute understanding how variation, including polymorphism, influences species interactions among agents target insect pests.
منابع مشابه
Functional Response of Dinarmus Basalis (rond.) (hymenoptera: Pteromalidae) Parasitizing Callosobruchus Maculatus (f.)
The functional response of the parasitoid Dinarmus basalis (Rond.) (Hymenoptera: Pteromalidae) is determined to evaluate its potential as a biological control agent. Four female wasps in the presence of males parasitoids, were allowed to oviposit during their life span or hosts at different densities. The data were fit by Rogers′ (1972) parasitoid model. The rate of parasitoid search was a′= 0....
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ژورنال
عنوان ژورنال: Journal of Stored Products Research
سال: 2023
ISSN: ['0022-474X', '1879-1212']
DOI: https://doi.org/10.1016/j.jspr.2023.102147