You know that mosquito bite you’re scratching like crazy on that hot, summer night? According to Rebeca Rosengaus, associate professor of biology in the College of Science, it may be a vector, or carrier, for diseases. And while we may think that spraying pesticides to prevent the spread of some of these diseases, such as West Nile Virus, may be a good solution, Rosengaus says it’s not sustainable. We asked the expert to explain why a mosquito is more than just a summertime pest.