Definitions for "Mayfly"
The most common aquatic bug. Most dry fly and nymph patterns imitate this bug. They are commonly found in cooler freshwater environments.
Term used to describe a common aquatic insect which has a life cycle containing four stages; pupae, larva, dun and spinner. Many, if not most fly patterns are used to imitate this type of insect in its various stages of development. Various species can be found in both moving and still waters, being a staple food in the diet of trout and other fish species. Typically used to refer to the family Ephemerella.
slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days
Mayfly is an in-memory SQL implementation for unit testing. It is fast on small data sets and you can create or destroy a database as easily any other Java object.