Entomobryidae
Guides
Americabrya
Americabrya is a genus of springtails (Collembola) in the family Entomobryidae, described in 1987 by Mari Mutt and Palacios-Vargas. It belongs to the subfamily Willowsiinae and tribe Willowsiini. The genus is distributed across the Americas, with records from the Caribbean, northeastern and central Brazil, Pacific North America, and southern North America.
Calx
Calx is a genus of springtails (Collembola) in the family Entomobryidae, first described by Kenneth Christiansen in 1958. The genus belongs to the subfamily Entomobryinae and tribe Entomobryini. Members of this genus are small, wingless hexapods with the characteristic furcula (springing organ) that defines the order. The genus has been recorded across multiple biogeographic regions including North America, the Caribbean, the Andes, and India.
Coecobrya tenebricosa
Coecobrya tenebricosa is a cave-dwelling springtail species in the family Entomobryidae. It belongs to the tenebricosa-group, characterized by the absence of eyes, an unguis with one unpaired median tooth, and a manubrium lacking smooth chaetae. The species has been recorded from multiple disjunct regions including the Caribbean mainland, Europe, Hawaii, Macaronesia, and the Mediterranean.
Drepanura
springtails
Drepanura is a genus of springtails (Collembola) in the family Entomobryidae, first described by Schött in 1891. It belongs to the order Entomobryomorpha, one of the most diverse groups of Collembola. The genus has been recorded across multiple continents including Europe, Africa, Australia, and the Caribbean, suggesting broad geographic distribution. As with other entomobryid springtails, members of this genus are likely soil-dwelling microarthropods, though specific ecological details remain poorly documented.
Drepanura californica
Drepanura californica is a species of springtail (Collembola) in the family Entomobryidae. It was described by H. Schött in 1891 and is known from California and other Pacific North American regions. The genus Drepanura is characterized by distinctive morphological features including a furcula with reduced dentes. As an entomobryid springtail, it inhabits soil and leaf litter environments where it contributes to decomposition processes.
Entomobrya
slender springtails
Entomobrya is a genus of slender springtails in the family Entomobryidae, containing at least 270 described species. Members are characterized by elongated bodies and are among the most commonly encountered springtails in many terrestrial habitats. The genus has been documented across diverse environments including continental Europe, the Canary Islands, and cave systems in southern Spain. Species identification relies heavily on colour pattern and dorsal macrochaetotaxy, though colouration varies broadly within species and fades in preservative.
Entomobrya confusa
Entomobrya confusa is a species of slender springtail in the family Entomobryidae, described by Kenneth Christiansen in 1958. It belongs to the order Entomobryomorpha, one of the three major lineages of springtails. The species is part of a large genus of surface-dwelling springtails characterized by elongated bodies and well-developed furculae. Distribution records indicate presence in North American and Pacific North American regions.
Entomobrya decemfasciata
Entomobrya decemfasciata is a species of slender springtail in the family Entomobryidae, first described by Packard in 1873. The species epithet "decemfasciata" (Latin: ten-banded) likely refers to ten transverse bands or stripes on the body. It belongs to a large genus of globular to elongate springtails commonly found in leaf litter and soil habitats.
Entomobrya ligata
slender springtail
Entomobrya ligata is a species of slender springtail in the family Entomobryidae. It belongs to the order Entomobryomorpha, one of the major lineages of springtails (Collembola). The species was described by J.W. Folsom in 1924. Like other members of its genus, it possesses a slender body form and the characteristic furcula (springing organ) that enables the jumping locomotion typical of springtails. The species has been recorded from North America and the Caribbean mainland.
Entomobrya suzannae
Entomobrya suzannae is a species of slender springtail in the family Entomobryidae, first described by Scott in 1937. It belongs to the order Entomobryomorpha, one of the major lineages of Collembola. The species has been documented in the Pacific North American region based on distribution records. As a member of the genus Entomobrya, it shares the characteristic body plan of slender springtails with well-developed furcula.
Entomobrya unostrigata
cotton springtail
Entomobrya unostrigata is a slender springtail in the family Entomobryidae, first described by Stach in 1930. The species has a broad geographic distribution spanning Europe, the Mediterranean, Australia, and the Hawaiian Islands. It is one of 17 Entomobrya species recorded from the Canary Islands, where it was previously reported prior to recent taxonomic surveys. Identification relies on dorsal macrochaetotaxy patterns rather than coloration alone, as pigmentation varies widely and fades in preservative.
Entomobryoides dissimilis
Entomobryoides dissimilis is a species of springtail in the family Entomobryidae, originally described as Entomobrya dissimilis by Moniez in 1894. The species belongs to a genus characterized by reduced or absent dental structures on the maxilla, distinguishing it from the closely related genus Entomobrya. As a member of the order Entomobryomorpha, it possesses the elongated body form typical of this diverse group of Collembola. Distribution records indicate presence across North American regions including the Pacific coast.
Entomobryoides purpurascens
Entomobryoides purpurascens is a species of springtail in the family Entomobryidae, first described by Packard in 1872. It belongs to the order Entomobryomorpha, one of the major lineages of Collembola. Springtails in this family are characterized by their elongated bodies and well-developed furcula (springing organ). The species epithet 'purpurascens' suggests a purplish or purple-tinged coloration. Like other members of its genus, it is likely adapted to moist terrestrial environments where springtails are commonly found.
Homidia
springtails
Homidia is a genus of springtails (Collembola: Entomobryidae) comprising 84 described species worldwide, with 71% of species (60) recorded from China. The genus is distinguished by specific morphological features including inner spines at the base of the dens, a bidentate mucro with a much larger subapical tooth, eyebrow-like macrochaetae formations on the anterior part of the fourth abdominal segment, and absence of scales. Colour pattern and chaetotaxy serve as important diagnostic characters for species identification.
Homidia sauteri
Homidia sauteri is a species of slender springtail in the family Entomobryidae. It is native to East Asia and has been introduced to other regions including Hawaii. The species possesses a characteristic dorsal chaetotaxy pattern that has been formally described from Japanese specimens. Two subspecies are recognized: the nominate H. s. sauteri and H. s. formosana from Taiwan.
Homidia socia
Homidia socia is a species of slender springtail described by Denis in 1929. It belongs to the family Entomobryidae, a diverse group of elongate-bodied springtails characterized by well-developed furculae. The species has been documented across multiple regions including Caribbean mainland, Continental Southeast Asia, Hawaii, and North America. Like other members of its genus, it inhabits soil and leaf litter environments where it contributes to decomposition processes.
Lepidocyrtus cinereus
slender springtail
Lepidocyrtus cinereus is a species of slender springtail in the family Entomobryidae, first described by J.W. Folsom in 1924. As a member of the genus Lepidocyrtus, it belongs to a diverse group of Collembola characterized by elongated bodies and well-developed furculae (springing organs). The species epithet 'cinereus' (ash-colored) likely refers to its grayish coloration. Available information on this species is limited, with most biological details remaining undocumented in accessible literature.
Lepidocyrtus curvicollis
slender springtail
Lepidocyrtus curvicollis is a species of slender springtail (Collembola) in the family Entomobryidae. It was described by Bourlet in 1839. The species has been recorded in Europe and on several islands of the Azores archipelago (Faial, Flores, Graciosa, Pico, and São Jorge). It belongs to the subfamily Lepidocyrtinae, a group characterized by distinctive morphological features including a curved or arched body profile.
Lepidocyrtus cyaneus
slender springtail
Lepidocyrtus cyaneus is a species of slender springtail in the family Entomobryidae. First described by Tullberg in 1871, this species belongs to a genus characterized by scaled bodies and often vivid coloration. The species has been documented from multiple localities including islands in the Azores (Flores, Pico, São Miguel, Terceira), as well as Bulgaria.
Lepidocyrtus violaceus
Lepidocyrtus violaceus is a springtail species (Collembola: Entomobryidae) in the L. lignorum group. It possesses the diagnostic dorsal body macrochaetotaxy R0R1R2/00/0101+3 and scales on antennae and legs. The species has been recorded from the United States (Vermont) and is used as a morphological reference for distinguishing related species.
Mesentotoma
Mesentotoma is a genus of springtails in the family Entomobryidae, established by J.T. Salmon in 1942. Species in this genus are distributed across widely separated regions including Europe, Macaronesia, the Mediterranean, New Zealand, and Hawaii. The genus belongs to the tribe Entomobryini, a diverse group of elongate-bodied springtails. Information on specific biology and ecology of Mesentotoma species remains limited in published literature.
Pseudosinella
slender springtails
Pseudosinella is a genus of slender-bodied springtails in the family Entomobryidae, established by Schäffer in 1897. The genus contains more than 20 described species distributed across diverse habitats including tropical rainforests, temperate woodlands, and even Antarctic and subantarctic regions. Members of this genus are characterized by their elongated, cylindrical body form and reduced or absent pigmentation. They are part of the diverse soil and leaf litter fauna, contributing to decomposition processes.
Pseudosinella alba
Pseudosinella alba is a species of slender springtail in the family Entomobryidae. Originally described as Lepidocyrtus albus by Packard in 1873, it is a small hexapod belonging to the order Entomobryomorpha. The species has been recorded from Europe and various other regions including Arctic and Sub-arctic areas, with limited observational data available.
Pseudosinella rolfsi
Pseudosinella rolfsi is a species of slender springtail in the family Entomobryidae, first described by H.B. Mills in 1932. As an entomobryomorph collembolan, it possesses the elongated body form and relatively long antennae characteristic of this group. The species has been recorded across North America with observations spanning northern, southern, and Pacific regions. Springtails in this genus are typically found in soil and leaf litter habitats where they contribute to decomposition processes.
Pseudosinella violenta
Pseudosinella violenta is a species of slender springtail first described by Folsom in 1924. It belongs to the family Entomobryidae, a group characterized by elongated bodies and well-developed furcula. The species has been recorded across multiple North American regions including the Antilles, southern Florida, Caribbean mainland, and Pacific and southern North American areas. As with most members of its genus, it likely inhabits soil and leaf litter microhabitats.
Seira
slender springtails
Seira is a genus of slender springtails in the family Entomobryidae, first described by Lubbock in 1870. The genus contains approximately 17 described species. These springtails are characterized by their elongated body form and are distributed across multiple biogeographic regions including tropical and subtropical areas.
Seira bipunctata
Seira bipunctata is a species of slender springtail in the family Entomobryidae. The species was described by Christiansen and Bellinger in 1980. It belongs to the genus Seira, which is characterized by elongate body forms and distinct morphological features typical of the Seirinae subfamily. The species epithet 'bipunctata' refers to two spots or punctures, likely describing a distinctive marking pattern.
Seira brasiliana
Seira brasiliana is a species of elongate-bodied springtail in the family Entomobryidae. It is a Neotropical species originally described from Brazil, with subsequent records from multiple Brazilian states including Mato Grosso do Sul, Paraíba, Rio de Janeiro, Santa Catarina, and São Paulo. As a member of the genus Seira, it possesses the characteristic scaled body covering typical of this group. The species remains poorly studied, with limited published information on its biology and ecology.
Seira dollfusi
Seira dollfusi is a species of springtail in the family Entomobryidae, first described by Carl in 1899. The species was originally placed in the genus Sira before being transferred to Seira. It belongs to the group commonly known as slender springtails, characterized by their elongated body form. The species has been documented through 69 iNaturalist observations, indicating some level of detection in field surveys. Taxonomic status varies across sources, with Catalogue of Life listing it as a synonym of Seira (Seira) squamoornata, while GBIF and NCBI maintain it as an accepted species.
Seira domestica
Seira domestica is a species of slender springtail in the family Entomobryidae, originally described by Hercule Nicolet in 1842 as Degeeria domestica. It belongs to the order Entomobryomorpha, characterized by elongate body forms. The species has been recorded from Brazil (Pernambuco state).
Seira dubia
Seira dubia is a species of slender springtail in the family Entomobryidae, first described by Christiansen and Bellinger in 1980. Springtails in this genus are characterized by their elongated, slender body form and are members of the order Entomobryomorpha, one of the most diverse lineages of Collembola. As with other members of its family, S. dubia possesses a furcula (springing organ) that enables the characteristic jumping behavior of springtails. The species is currently accepted in taxonomic databases but appears to have limited published documentation beyond its original description.
Seira knowltoni
Seira knowltoni is a species of slender springtail in the family Entomobryidae. The species was described by Christiansen and Bellinger in 2000. It is currently accepted as a valid species, though some sources list it as a synonym of Seira (Seira) purpurea. As a member of the genus Seira, it belongs to a group of elongate, fast-moving springtails commonly found in soil and leaf litter habitats.
Sinella cavernarum
Cavernicolous springtail
Sinella cavernarum is a species of springtail in the family Entomobryidae, first described by Packard in 1888. The species epithet 'cavernarum' (of caves) suggests a troglophilic or troglobitic lifestyle. As an entomobryomorph springtail, it possesses the characteristic elongated body form and well-developed antennae typical of this group. Very few observations of this species exist in public databases.
Sinella recens
Sinella recens is a species of springtail (Collembola) in the family Entomobryidae, described by Christiansen and Bellinger in 1998. Springtails in this genus are small, soft-bodied hexapods characterized by their furcula (springing organ) used for locomotion. The species is part of the diverse North American springtail fauna, though specific ecological and biological details remain limited in published literature.
Sinella sexoculata
slender springtail
Sinella sexoculata is a species of slender springtail in the family Entomobryidae, described by Schött in 1896. As an entomobryomorph collembolan, it possesses the characteristic elongated body form and well-developed antennae typical of this group. The species has been documented in the Caribbean mainland and Pacific North American regions based on GBIF distribution records. Like other members of the genus Sinella, it inhabits soil and leaf litter environments where it contributes to decomposition processes.
Willowsia
Willowsia is a genus of slender springtails in the family Entomobryidae, containing approximately six described species. The genus exhibits a pantropical to cosmopolitan distribution, with notable diversity in Asia and multiple species present in the Americas. Some species, particularly W. nigromaculata, are among the most abundant and widely distributed springtails in the northern hemisphere. Phylogenetic studies indicate that Willowsia is polyphyletic, with some species showing closer relationships to other entomobryine taxa. The genus includes both native New World endemics and potentially introduced populations.
Willowsia platani
slender springtail
Willowsia platani is a species of slender springtail in the family Entomobryidae. First described by Nicolet in 1842, this small hexapod is characterized by its elongated, slender body form typical of the genus. The species is known from Europe and has been recorded across multiple continents including Asia. As a member of Collembola, it lacks wings and possesses the characteristic furcula (springing organ) that gives springtails their common name.
Willowsiinae
Willowsiinae is a subfamily of springtails (Collembola) in the family Entomobryidae, established by Yoshii and Suhardjono in 1989. These elongate-bodied springtails are distinguished by specific chaetotaxy patterns and antennal segment proportions. The subfamily includes several genera found across diverse habitats, though detailed biological studies remain limited for many constituent taxa.