Walker-1866
Guides
Calopompilus pyrrhomelas
Calopompilus pyrrhomelas is a species of spider wasp in the family Pompilidae, originally described as Pompilus pyrrhomelas by Walker in 1866. It is currently treated as a synonym of Chirodamus pyrrhomelas in some taxonomic databases, reflecting ongoing taxonomic uncertainty within the genus. The species epithet "pyrrhomelas" (from Greek "pyrrhos" = flame-colored, "melas" = black) suggests distinctive coloration. As a pompilid wasp, it belongs to a group of solitary wasps known for hunting spiders to provision their nests.
Cutina albopunctella
Cypress Looper, White-spotted Cutina Moth
Cutina albopunctella, commonly known as the cypress looper or white-spotted cutina moth, is a species of moth in the family Erebidae. It is found in North America and has been assigned the MONA/Hodges number 8728. The species was first described by Francis Walker in 1866.
Gabara subnivosella
wet sand savannah moth, snowy gabara
Gabara subnivosella is a small moth in the family Erebidae, first described by Francis Walker in 1866. It is commonly known as the wet sand savannah moth or snowy gabara. The species has a wingspan of approximately 25 mm and is found in eastern North America.
Glaphyria decisa
Glaphyria decisa is a species of snout moth in the family Crambidae, subfamily Glaphyriinae. It was described by Francis Walker in 1866. The species occurs across Central America, the Caribbean, and into South America.
Laphria columbica
Columbian Bee Killer
Laphria columbica is a species of robber fly in the family Asilidae, described by Francis Walker in 1866. The genus Laphria is notable for species that are effective mimics of bumble bees, and L. columbica appears to follow this pattern. Robber flies in this genus are predatory and often observed perching on vegetation while hunting. The specific epithet "columbica" suggests a connection to the Columbia River region or British Columbia, though the exact etymology is not documented in available sources.
Nigetia
Nigetia is a monotypic moth genus in the family Erebidae, containing the single species Nigetia formosalis. The genus was described by Francis Walker in 1866 and was formerly classified in Noctuidae. The sole species is distributed across eastern North America.
Parachma
Parachma is a genus of snout moths in the family Pyralidae, subfamily Chrysauginae. The genus was established by Walker in 1866 and is allied to the genera Caphys, Acallis, and Zabobar. Species in this genus are characterized by their association with the snout moth morphology typical of Pyralidae. The genus contains multiple species distributed across various regions, with over 2,500 observations recorded on iNaturalist.
Tyrissa
Tyrissa is a genus of moths in the family Erebidae, subfamily Calpinae, erected by Francis Walker in 1866. The genus contains approximately 12 described species distributed primarily in the Neotropical region, with some species extending into the southern United States (Florida). Species have been recorded from Brazil, French Guiana, Suriname, Paraguay, Costa Rica, the Dominican Republic, and Florida. The genus is taxonomically placed within the superfamily Noctuoidea.