Aquatic Midgeflies at the Lake: August Update


​AMLARC recognizes that the density of aquatic midge fly population poses a hindrance to Lakeside visitors and residents, marring the serenity of the Lake during the early morning and evening hours. Though complete eradication of the aquatic midge flies is not possible, SAMLARC has implemented the most ecologically responsible methods of midge fly mitigation.

Though the aquatic midge flies are an unfortunate nuisance, there are a few positive facts to keep in mind. Aquatic midge flies do not bite or carry diseases. The lifespan of an adult midge fly lasts between 3-5 days and their reproductive season typically comes to an end in the fall.

SAMLARC has implemented environmentally-sensitive long-term solutions aimed at returning fish to the Lake, which in turn will help manage the aquatic midge fly population. Over 5,000 hardy fish were introduced into the Lake: mosquitofish (Gambusia affinis) and fathead minnows (Pimephales promelas), which have been spotted happily feeding on midge fly larvae ever since their introduction in July 2018. Additionally, fifteen tree swallow boxes have been installed in the trees around the Lake to attract tree swallows (Tachycineta bicolor), which feed on adult midge flies. We anticipate that we will see a thriving tree swallow community develop in the spring.