Saprophagous
Guides
Agyrtidae
Primitive Carrion Beetles
Agyrtidae is a small family of beetles in the superfamily Staphylinoidea, containing approximately 60 species across three subfamilies: Agyrtinae, Necrophilinae, and Pterolomatinae. Members range from 4–14 mm in length and exhibit diverse ecological habits, with some subfamilies associated with carrion and decaying organic matter while others show predatory or coastal specialized lifestyles. The family has a disjunct distribution in temperate regions of the Northern Hemisphere and New Zealand, with fossil records extending to the Early Cretaceous.
Alloblackburneus
Alloblackburneus is a genus of scarab beetles (family Scarabaeidae, subfamily Aphodiinae) described by Bordat in 2009. It belongs to the tribe Aphodiini, a group commonly known as small dung beetles. The genus is endemic to the Afrotropical region. Species in this genus are part of the diverse Aphodiinae fauna associated with decomposition and nutrient cycling in African ecosystems.
Allopiophila testacea
Allopiophila testacea is a species of cheese skipper fly in the family Piophilidae, described by Melander in 1924. The genus Allopiophila is small and contains few described species. Members of Piophilidae are known for their association with protein-rich decomposing organic matter, particularly animal remains and cheese. The specific epithet 'testacea' refers to the shell-like or testaceous coloration typical of the species.
Amoebaleria infuscata
Amoebaleria infuscata is a species of true fly in the family Heleomyzidae, described by Gill in 1962. The genus Amoebaleria is a small group within this family of saprophagous flies. Very little specific information is documented about this species beyond its taxonomic description. It belongs to a family whose larvae generally develop in decaying organic matter.
Archeocrypticidae
cryptic fungus beetles, Ancient Fungus Beetle
Archeocrypticidae is a small family of beetles comprising approximately 10 genera and 50 species worldwide. Commonly referred to as cryptic fungus beetles, members of this family are saprophagous, with adults and larvae typically found in plant litter and associated with fungal substrates. The family exhibits a predominantly pantropical distribution, with notable diversity in Australia and relative absence from temperate Palearctic and Nearctic regions.
Atholus falli
Atholus falli
Atholus falli is a species of clown beetle in the family Histeridae, first described by Bickhardt in 1912. It is known from North America with documented records across Canada and the United States. As a member of Histeridae, it belongs to a group of beetles commonly associated with decaying organic matter and carrion.
Bacanius
clown beetles
Bacanius is a genus of clown beetles in the family Histeridae, established by John Lawrence LeConte in 1853. The genus contains more than 70 described species distributed across multiple continents. Members of this genus share the compact, rounded body form characteristic of histerid beetles.
Calliopum
Calliopum is a genus of small lauxaniid flies established by Strand in 1928. The genus comprises approximately 27 described species distributed across the Palearctic region. Adults are typically found in meadows and hedgerows, while larvae exhibit varied feeding habits including phytophagy and saprophagy.
Cercyon nigriceps
Cercyon nigriceps is a water scavenger beetle (family Hydrophilidae) with a cosmopolitan distribution spanning the Palearctic, Nearctic, Afrotropical, Oriental, and Neotropical regions. Adults are frequently found in mammalian dung and rotting plant material. The species has a complex taxonomic history with numerous synonyms due to its wide geographic range and identification challenges.
Ceuthophilus hesperus
San Diego camel cricket
Ceuthophilus hesperus, commonly known as the San Diego camel cricket, is a species of camel cricket in the family Rhaphidophoridae. It is native to North America, with confirmed presence in California. Like other members of its genus, it is wingless and adapted to dark, moist habitats. The species was described by Hubbell in 1936.
Chalcosyrphus inarmatus
Yellow-haired Leafwalker
Chalcosyrphus inarmatus, commonly known as the yellow-haired leafwalker, is an uncommon species of syrphid fly distributed across northern North America. The species belongs to a genus whose larvae are typically associated with decaying wood rather than the aphid predation common to many hover flies. Adults are flower visitors that obtain nectar and pollen from floral resources.
Cheilosiina
Cheilosiina is a subtribe of hoverflies within the family Syrphidae. Members are small to medium-sized flies with distinctive facial and thoracic morphology. The group is taxonomically defined by specific cranial and mouthpart structures rather than conspicuous external features. Many species are associated with decaying organic matter and fungal habitats.
Copestylum
Bromeliad Flies
Copestylum is one of the largest genera of hoverflies (Syrphidae) in the Americas, comprising more than 300 species. The genus is neotropical in origin, with only four species recorded outside the Americas, likely introduced through cactus trade. Larvae are saprophagous and develop in decaying tissues of columnar cacti and other succulent plants, playing important roles in nutrient recycling in xeric environments. Adults are commonly known as bromeliad flies.
Cryptarcha
Cryptarcha is a genus of sap beetles in the family Nitidulidae, established by Shuckard in 1839. The genus contains at least 17 described species distributed across multiple continents. Some species are associated with cactus cultivation, where they can cause significant agricultural damage. Members exhibit both phytophagous and saprophagous feeding behaviors.
Dermestes reductus
Dermestes reductus is a small dermestid beetle native to North America, closely resembling the more common larder beetle (Dermestes lardarius) but distinguished by morphological differences in size, coloration, and genitalia. Unlike its synanthropic relative, D. reductus is exclusively found in natural wooded habitats, typically under tree bark, and has no known association with human dwellings. It belongs to the 'lardarius' species group within the genus Dermestes.
Diapterna
Diapterna is a genus of aphodiine dung beetles in the family Scarabaeidae, established by Horn in 1887. The genus contains six described species distributed across the Nearctic and Neotropical regions. Species in this genus are small to medium-sized scarab beetles associated with dung and decaying organic matter. Like other aphodiines, they are classified as 'dwellers' that feed and reproduce within dung rather than constructing tunnels.
Eccoptomera melanderi
Eccoptomera melanderi is a species of true fly in the family Heleomyzidae, first described by Garrett in 1925. The species is currently accepted taxonomically and belongs to a small genus within a family of saprophagous flies commonly associated with decaying organic matter. Very little specific biological information has been published for this particular species.
Epuraea rufida
Epuraea rufida is a small sap beetle in the family Nitidulidae, first described from North America in 1846. Members of this genus are commonly associated with decaying plant matter and fungal fruiting bodies. The species is poorly documented in contemporary literature, with minimal observational records available.
Euspilotus scrupularis
clown beetle
Euspilotus scrupularis is a species of clown beetle in the family Histeridae. It occurs across western and southern North America and into Central America. Like other histerid beetles, it likely inhabits decomposing organic matter where it preys on fly larvae. The species was described by John Lawrence LeConte in 1860.
Heleomyzinae
Heleomyzinae is a subfamily of true flies (Diptera) within the family Heleomyzidae. The group contains approximately 17-19 genera and over 400 described species, though species-level diversity remains incompletely documented. These flies are generally small to medium-sized and are primarily associated with decomposing organic matter. The subfamily is widely distributed but individual species are often poorly known.
Homoneura houghii
Homoneura houghii is a species of fly in the family Lauxaniidae, first described by Coquillett in 1898. The genus Homoneura comprises small to medium-sized flies commonly found in association with decaying organic matter. Observations suggest this species exhibits orange coloration, though detailed biological information remains limited.
Homoneura philadelphica
Homoneura philadelphica is a small fly in the family Lauxaniidae, a group commonly known as lauxaniid flies. The species is noted for its distinctive orange coloration, which has been observed in individuals attracted to decaying pumpkins. It is one of many species in the genus Homoneura, which contains numerous small, often colorful flies found in various habitats across North America.
Lauxaniidae
Lauxaniid Flies
Lauxaniidae is a family of acalyptrate flies comprising approximately 1800 described species across 126 genera. Adults are small (2–7 mm), often with large, brightly colored compound eyes and variegated wing patterns. The family has a cosmopolitan distribution with highest diversity in tropical Asia and the Americas; species richness declines markedly toward temperate regions. Adults are typically sedentary, associated with shaded, humid forest environments where they feed on leaf-surface fungi. Larvae are primarily saprophagous, developing in decaying plant matter, leaf litter, rotting wood, and bird nests.
Lonchaeidae
Lance Flies
Lonchaeidae, commonly known as lance flies, is a family of acalyptrate dipteran flies comprising approximately 611 described species across 10 genera. These small, robust flies are characterized by blue-black or metallic bodies and are predominantly associated with wooded habitats worldwide. The family exhibits diverse larval ecology, with most species being phytophagous on damaged plant tissues, though coprophagous, mycophagous, saprophagous, and predatory habits are also documented. Several species are significant agricultural pests, particularly of figs, cassava, and conifer seeds, while others develop in bark beetle tunnels, decaying wood, or fungal fruiting bodies.
Megasternum
Megasternum is a genus of small water scavenger beetles in the family Hydrophilidae, tribe Megasternini. These beetles are associated with decomposing organic matter in moist or aquatic environments. The genus was established by Mulsant in 1844 and occurs primarily in the Palearctic region.
Meromacrus
Elegant Flies
Meromacrus is a genus of 43 species of large, conspicuous hoverflies (Syrphidae) distributed from the southern United States through the Neotropics to northern Argentina and Chile. Adults are frequent flower visitors and pollinators. Larvae are saprophagous, developing in decaying plant matter including rot holes, decaying stems, and rotting cacti.
Metopininae
Metopininae is the largest subfamily of scuttle flies (Phoridae), primarily due to the hyperdiverse genus Megaselia. Members exhibit broad ecological diversity, with larvae ranging from saprophagous decomposers to parasitoids of insects and other arthropods. The subfamily includes economically significant pests and is among the most frequently encountered phorid groups worldwide.
Muscina levida
Dark-horned Muscina
Muscina levida is a muscid fly species in the family Muscidae, commonly known as the Dark-horned Muscina. It is found in Europe, with records from Belgium, Denmark, Norway, and the Azores. The species is one of several Muscina flies associated with decomposing organic matter and has been observed in indoor settings during autumn and winter.
Mycetophila unipunctata
Mycetophila unipunctata is a species of fungus gnat in the family Mycetophilidae, a diverse group of small flies associated with decaying fungi and organic matter. The species was described by Wiedemann in 1818. Like other members of its genus, it likely inhabits moist forest environments where fungal resources are abundant.
Myolepta
Pegleg Flies
Myolepta is a cosmopolitan genus of hoverflies (Syrphidae) in the tribe Brachyopini, most closely related to the genus Lepidomyia. The genus contains species distributed across the Indomalayan Realm, West Palaearctic, and Nearctic regions. One Chinese species, Myolepta sinica, has been documented with host plant associations.
Neoascia
Fen Flies
Neoascia is a genus of small hoverflies (Syrphidae) characterized by black and yellow or mostly black coloration with a narrow, wasp-like waist between the thorax and abdomen. Adults are typically found in damp, low-vegetation habitats including fens, marshes, and pond margins. The genus has a Holarctic distribution with records across Northern and Central Europe, Western Siberia, and Scandinavia. Larvae are saprophagous, developing in wet organic matter such as decaying vegetation, compost, and wet manure associated with aquatic margins.
Otitinae
Otitinae is a subfamily of picture-winged flies within the family Ulidiidae, formerly treated as the separate family Otitidae. The group comprises approximately 50 genera distributed across three tribes: Cephaliini, Myennidini, and Otitini. Most species are herbivorous or saprophagous, with some exhibiting psammophilous (sand-loving) habits. The subfamily is distinguished from similar groups by specific wing venation characters.
Oxyomus sylvestris
Oxyomus sylvestris is an aphodiine dung beetle in the family Scarabaeidae. It is distributed across Europe, the Near East, North Africa, and has been introduced to North America. Unlike many scarabaeid dung beetles, it is saprophagous, feeding on decaying organic matter rather than fresh dung.
Physiphora alceae
picture-winged fly
Physiphora alceae is a small picture-winged fly in the family Ulidiidae, notable for lacking the bold wing patterns typical of its family. Approximately 5 millimeters in length, this species has become cosmopolitan through human-mediated dispersal. Males perform elaborate courtship dances involving foreleg movements, wing lifting, and physical contact with females.
Pseudataenius socialis
Pseudataenius socialis is a species of aphodiine dung beetle in the family Scarabaeidae. It is known from scattered records across the central and southeastern United States. The species was described by Horn in 1871 and is placed in the tribe Eupariini within the subfamily Aphodiinae.
dung-beetleScarabaeidaeAphodiinaeNorth-AmericaColeopteraEupariiniPseudataeniusUnited-StatesKansasLouisianaNebraskaOklahomaSouth-CarolinaTexasHorn-1871Nearcticendogeicsaprophagoussoil-dwellingscarab-beetlebeetleinsectarthropodanimaleukaryotehexapodpolyphagous-beetlestaphyliniformiascarabaeoideaaphodiineaphodiine-dung-beetlescarabscarabaeidscarabaeoidscarabaeoideanstaphyliniformpolyphaganPseudoleria
Pseudoleria is a genus of true flies in the family Heleomyzidae, established by Garrett in 1921. The genus belongs to the subfamily Heleomyzinae and is part of the diverse assemblage of saprophagous and detritivorous flies within this family. Larval biology has been documented for at least one species, Pseudoleria crassata, indicating development in decaying organic matter. The genus is represented by moderate observation records, suggesting established but not extensively studied populations.
Psiloscelis
Psiloscelis is a genus of clown beetles in the family Histeridae, established by Marseul in 1854. The genus contains approximately eight described species distributed in North America. Species in this genus are characterized by their association with carrion and decaying organic matter. The genus is taxonomically stable with no synonymy reported.
Sciophila
fungus gnat
Sciophila is a genus of fungus gnats in the family Mycetophilidae, established by Meigen in 1818. These small flies are characterized by their association with fungal habitats and shadowy environments. The genus includes both widespread Palaearctic species and Neotropical species that have been intercepted as glasshouse contaminants. Species such as Sciophila holopaineni from Finnish Lapland and S. fractinervis from the Neotropics demonstrate the genus's broad geographic range and ecological diversity.
Scolecocampa liburna
Dead-wood Borer, Deadwood Borer Moth
Scolecocampa liburna is a moth in the family Erebidae, commonly known as the dead-wood borer. The species was described by Carl Geyer in 1837. Adults have a wingspan of 35–43 mm. The larvae develop inside fallen dead wood of various hardwood trees.
Sepsis
black scavenger flies, ensign flies
Sepsis is a genus of small flies in the family Sepsidae, commonly known as black scavenger flies or ensign flies. These flies are characterized by their distinctive wing-waving behavior and association with decaying organic matter. The genus contains numerous species distributed across temperate and tropical regions worldwide. Adults are typically black with silvery or metallic markings and possess a characteristic humpbacked appearance.
Sphaeroceridae
lesser dung flies, small dung flies, lesser corpse flies
Sphaeroceridae is a family of true flies (Diptera) in the section Schizophora, subsection Acalyptratae. The family contains over 1,300 species in approximately 125 genera, making it a diverse group of small to minute flies. Members are characterized by saprophagous habits, typically associated with decomposing organic matter including dung, carrion, and decaying plant material. They occur worldwide except in regions with permanent ice cover.
Spilodiscus arcuatus
clown beetle
Spilodiscus arcuatus is a species of clown beetle in the family Histeridae, first described by Thomas Say in 1825. It is a small beetle distributed across eastern and central North America, with records from Canada and numerous U.S. states. As a member of Histeridae, it likely occupies decomposing organic matter habitats, though specific ecological details remain poorly documented.
Spiniphora
Spiniphora is a genus of scuttle flies (Phoridae) established by Malloch in 1909. The genus includes saprophagous species, with Spiniphora genitalis documented as a decomposer of mollusc carrion and vertebrate remains. Species in this genus complete development on decaying organic matter and have been recorded from the Oriental region, parts of the Australian region, and introduced populations in Hawaii. Larvae exhibit distinct morphological features including ventral flattening, segmented bodies with tubercles and spinulose formations, and respiratory transitions between instars.
Tipulidae
Large Crane Flies, Crane Flies
Tipulidae is a large family of true flies in the order Diptera, comprising over 4,200 described species in more than 30 genera. Members are commonly known as crane flies or large crane flies, characterized by their elongated bodies and exceptionally long, slender legs. Adults are typically short-lived and often do not feed; their primary purpose is reproduction. Larvae occupy diverse moist habitats including soil, leaf litter, decaying wood, and aquatic environments, where most feed on decaying organic matter. The family has a fossil record extending to the Late Jurassic.
DipteraNematoceracrane-fliesdecomposerssaprophagousshort-lived-adultsmating-swarmsturfgrass-pestsharmless-to-humansworldwide-distributionLate-Jurassic-fossilsCharles-Paul-Alexandermaxillary-palps13-antennal-segmentsLimoniidaePediciidaemosquito-hawk-misnomerdaddy-longlegs-confusionleatherjacketsaquatic-larvaeterrestrial-larvaespring-emergencelight-attractionwingless-snow-crane-flies-in-genus-Chionea-(now-Limoniidae)Xylopinus
Xylopinus is a genus of darkling beetles in the family Tenebrionidae, established by LeConte in 1862. The genus contains at least three described species distributed in North America. Members of this genus are part of the diverse darkling beetle fauna, which are generally associated with dry or decaying organic matter. The genus name suggests an association with wood (from Greek xylon, meaning wood), though specific habitat preferences for Xylopinus species are not well documented.