Cicada Map Shows States Where Broods Have Emerged
"If we accept an estimate of a million cicadas per acre and if the total combined area of a periodical cicada ... According ...
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Netting, foil and more: How to protect your trees from Chicago's massive cicada emergence
MORE: Cicadas are starting to emerge in Illinois. Here's a map ... an area with billions," said Allan Lawrance, associate curator of entomology at the Peggy Notebaert Nature Museum in Chicago.