Trico Mayfly: Nymph, Dun, Spinner, and Fly Patterns

The Trico mayfly is a tiny aquatic insect famous for producing dense morning hatches and spinner falls on trout streams. “Trico” generally refers to mayflies … Read More

Mayflies do not normally eat mosquitoes or control mosquito populations. Adult mayflies cannot eat because they lack functional mouthparts, while their aquatic nymphs generally consume … Read More

Mayfly larvae live underwater in freshwater lakes, ponds, rivers, and streams. More accurately called nymphs or naiads, they spend most of the mayfly life cycle … Read More

A mayfly is a slender, delicate insect with transparent triangular wings, a narrow body, and two or three long threadlike tails. Adults commonly hold their … Read More

Mayfly season generally occurs from late spring through summer, but there is no single date that applies everywhere. Timing depends on mayfly species, water temperature, … Read More

Mayflies are famous for having one of the shortest adult lifespans in the insect world. Many adults live for only 12–48 hours, while some species … Read More

Mayflies are familiar seasonal insects across Ohio, especially in communities bordering Lake Erie. During major hatches, thousands or even millions of adults may gather around … Read More

Lake Erie mayflies are famous for forming enormous seasonal swarms along the shorelines of Ohio, Michigan, Pennsylvania, New York, and Ontario. Although these insects can … Read More

Mayflies can suddenly appear in large numbers around homes, yards, windows, porches, and lakeside properties. Although they may look alarming, adult mayflies do not bite, … Read More

A black mayfly is usually a dark-colored member of the insect order Ephemeroptera rather than one officially recognized species. The term may describe naturally dark … Read More