Kentucky
Guides
Dalmosella tenuis
Dalmosella tenuis is a species of rove beetle in the family Staphylinidae, subfamily Pselaphinae. It is a small beetle belonging to the tribe Trichonychini within the diverse Pselaphinae, a group known for their compact bodies and reduced elytra. The species was described by Thomas L. Casey in 1897 and occurs across eastern North America.
StaphylinidaePselaphinaerove-beetleNorth-AmericaCasey-1897TrichonychiniDalmosellaColeopterabeetleinsectarthropodAnimaliaInsectaPolyphagaStaphyliniformiaStaphylinoideaEuplectitaeTrimiinaNew-BrunswickAlabamaDistrict-of-ColumbiaFloridaGeorgiaKentuckyLouisianaMassachusettsMaineMississippiNorth-CarolinaNew-HampshireNew-JerseyOhioOklahomaPennsylvaniaTennesseeVirginiaUSACanadaeastern-North-AmericaDarlingtonea
Darlingtonea is a monotypic genus of cave-dwelling ground beetles (Carabidae) containing a single species, D. kentuckensis. This trechine beetle is endemic to eastern Kentucky's karst cave systems, where it functions as a top terrestrial predator specialized for high-humidity subterranean environments. The genus exhibits extreme physiological specialization, with narrow humidity tolerance identified as a critical vulnerability to climate change.
Darlingtonea kentuckensis
A troglobitic cave beetle endemic to eastern Kentucky karst systems. Adults measure 7.3–7.7 mm. The species exhibits surprisingly broad thermal tolerance (threshold ~20–24°C, mortality at 30°C within 24 hours), suggesting remnant physiological characteristics from epigean ancestors. However, it shows extreme specialization for constant high-humidity environments, with survival declining dramatically below 100% relative humidity and mortality within 3 days at 50–80% RH. Population densities can exceed 100 individuals per sand bank in suitable cave habitats.
Eccritothrix guenterella
A small moth species in the family Tineidae, described by Koçak in 1986. Known from a limited number of records in Kentucky, USA. The genus Eccritothrix contains few described species, and this taxon remains poorly documented in scientific literature.
Hadenoecus subterraneus
Mammoth Cave cricket, common cave cricket
Hadenoecus subterraneus is a troglophilic camel cricket species in the family Rhaphidophoridae, endemic to cave systems of North America. It exhibits metabolic and water economy adaptations to subterranean environments, with physiological traits scaled to body size and temperature. The species serves as an important nutrient vector in cave ecosystems through its guano, eggs, and carcasses, which support diverse communities of cave-dwelling organisms. While primarily cavernicolous, it can survive in surface environments.
Hebetica sylviae
Hebetica sylviae is a treehopper species in the family Membracidae, first described in 2019 from specimens discovered in Murray, Kentucky. It is the sole Nearctic representative of the genus Hebetica and the only member of the tribe Darnini (raindrop treehoppers) in the Eastern United States. Adults are distinguished by their green coloration when alive, which is uncommon among U.S. treehoppers. The species is associated with mulberry trees (Morus spp.) and has been documented in Kentucky and Georgia.
Montescardia fuscofasciella
Montescardia fuscofasciella is a species of moth in the family Tineidae, described by Chambers in 1875. It belongs to a genus of small moths commonly associated with detritivorous or keratinophagous feeding habits. The species is known from limited records in the eastern United States.
Pachybrachis kentuckyensis
Pachybrachis kentuckyensis is a species of case-bearing leaf beetle in the family Chrysomelidae, subfamily Cryptocephalinae. The genus Pachybrachis is a large North American group commonly known as "scriptured leaf beetles" due to the intricate patterns on their elytra. Species in this genus are typically small, compact beetles associated with various host plants. Pachybrachis kentuckyensis is one of many species in this taxonomically challenging genus that requires careful examination for identification.
Recurvaria consimilis
A small gelechiid moth with a wingspan of 8.5–9.5 mm, recorded from the east-central United States. The larvae are leaf miners that feed specifically on Ceanothus americanus. First described by Braun in 1930.
Scaphinotus incompletus
incomplete snail-eating beetle
Scaphinotus incompletus is a species of ground beetle in the family Carabidae, commonly known as the incomplete snail-eating beetle. It is one of the "snail-eating beetles" in the genus Scaphinotus, characterized by adaptations for predation on terrestrial mollusks. Adults are brachypterous (short-winged), a trait common in this genus that reflects their ground-dwelling lifestyle and reduced need for flight. The species is known from a restricted range in the Appalachian region of the eastern United States.