Most people bitten by dengue fever-transmitting mosquitoes in four northwestern Thai villages weren’t residents but visitors, a finding that provides new clues about the spread of the dengue virus. According to a new study, larger people and adults are bitten significantly more often than smaller people and children. Read more
Monarch butterflies were hibernating in record low numbers in Mexico over the winter, but Cornell Ecologist Anurag Agrawal tells host Steve Curwood that he thinks the numbers breeding in Texas suggest the butterfly making a recovery. Read more
Old-fashioned fly swatters may be the most foolproof housefly killer, but for dairy farms, insecticides are the practical choice. Flies spread disease and a host of pathogens that cost farms hundreds of millions of dollars in annual losses.
Unfortunately, with the repeated use of the same insecticides, flies develop resistance through genetic mutations that make these products less effective. Read more
Better understanding of mosquito seminal fluid proteins – transferred from males to females during mating – may hold keys to controlling the Asian tiger mosquito, the world’s fastest-spreading invasive species, found in the U.S. and elsewhere. This mosquito is an important vector for dengue and chikungunya fevers as well as dog heartworm. Read more