Is the firefly population in your neighborhood declining? This is a very difficult question to answer because no long-term monitoring of the firefly population is in place to suggest an answer one way or another. The decline or increase in firefly sightings or population depends on several factors, among which habitat type, housing development, light and other chemical pollution may be responsible. The Clemson University Vanishing Firefly Project was launched in 2010 to help answer the question of “are there really fewer fireflies around my neighborhood?” The goal of this program is to collect data from different habitats across South Carolina and other states over several years to determine the population trend of fireflies. Because researchers cannot be physically present everywhere fireflies appear, we need you, the citizen scientists, to participate in the Vanishing Firefly Project and help with collecting the data. This app enables the app user to record the abundance of fireflies at anytime and anywhere using the Firefly Flash Counter. Before the counting begins, the users will be asked to take note of their habitat types and other environmental factors using drop-down option boxes. The participants then count the number of fireflies or flashes that appear within their field of vision within one minute. When the counting stops, the scientist can upload the data to a server at Clemson University. The participants may conduct several count sessions in one night but we ask that the sessions be conducted at different locations.