ScienceDaily: A common toxin used to kill yellow fever mosquito larvae -- the most prevalent transmitter of dengue, chikungunya and zika viruses -- is highly effective. While there are some fitness advantages to surviving adults, this is still an effective way to control the damaging health impacts of these mosquito-borne diseases, a new University of Florida study shows. Scientists and mosquito control officials want to kill mosquitoes during the larval, or juvenile stage, before they grow into adulthood and...