Hybridization between Dactylopius tomentosus (Hemiptera: Dactylopiidae) biotypes and its effects on host specificity.

  title={Hybridization between Dactylopius tomentosus (Hemiptera: Dactylopiidae) biotypes and its effects on host specificity.},
  author={C W Mathenge and Paul Holford and John H. Hoffmann and Helmuth G. Zimmermann and Robert Neil Spooner-Hart and George Andrew Charles Beattie},
  journal={Bulletin of entomological research},
  volume={100 3},
Dactylopius tomentosus is composed of biotypes adapted to different Cylindropuntia species. One biotype is an important biological control agent of C. imbricata in South Africa while another has the potential for the control of C. fulgida var. fulgida. These two weed species occur in sympatry in some areas of South Africa, so the introduction of the second biotype could result in hybridization, which, in turn, could impact on the biological control programs through altered host specificity and… CONTINUE READING


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