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234. Derived from: Legner, E. F. 1987. Some quantitative
aspects of inheritance in breeding synanthropic fly parasitoids. Bull. Soc. Vect. Ecol. 12(2); 528-533.
The inheritance of solitary and gregarious
development in two strains of Muscidifurax raptorellus Kogan & Legner
appears quantitative, as successive backcrosses of hybrids to original
parental males result in additive intensities of trait expression. The magnitude of each increase is
dependent on the number of backcrosses that are performed to create the hybrid,
the particular "load" of backcrosses that a hybrid possesses
determining the degree to which the next mating will affect behavior. The curve for increasing expression of
behavior appears sigmoid. Females
changed their behavior significantly following mating. Observed behavior
involves differences in offspring survival.
For biological control the liberations of parasitoid males possessing
certain desirable traits, such as high fecundity or parasitization rates may
be desireable for biological control. Page 528 Page 529 Page 530 Page 531 |
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