1863
Guides
Megarthrus excisus
Megarthrus excisus is a species of rove beetle (Staphylinidae) in the subfamily Proteininae, described by John Lawrence LeConte in 1863. The species is broadly distributed across northern North America, with records spanning boreal and temperate regions of Canada and the northern United States. Like other members of the genus Megarthrus, it is associated with forest floor habitats and decomposing organic matter. The genus is characterized by distinctive modifications of the male genitalia and antennae structure.
Ommatospila
Ommatospila is a genus of moths in the family Crambidae, subfamily Spilomelinae. It was established by Julius Lederer in 1863 and contains three described species distributed across the Americas. The genus belongs to a diverse group of pyraloid moths commonly known as grass moths or snout moths.
Tipula apicalis
Tipula apicalis is a large crane fly in the family Tipulidae, first described by Loew in 1863. The species occurs across eastern North America, from Ontario and Quebec south to Tennessee and North Carolina. It belongs to the diverse genus Tipula, which contains hundreds of species of crane flies worldwide.