Scarab-beetle
Guides
Phyllophaga ignava
May beetle, June beetle
Phyllophaga ignava is a species of scarab beetle in the family Scarabaeidae. It is found in Central America and North America. As a member of the genus Phyllophaga, commonly known as May beetles or June beetles, it shares the typical characteristics of the group including nocturnal adults and root-feeding larvae.
Phyllophaga implicita
May beetle, Junebug
Phyllophaga implicita is a species of scarab beetle in the family Scarabaeidae, commonly known as a May beetle or Junebug. Larvae are soil-dwelling and exhibit spatial distribution patterns influenced by proximity to adult food sources. The species occurs across much of North America, with records from Canada and numerous U.S. states. Like other members of the genus Phyllophaga, adults are likely nocturnal and attracted to lights, while larvae feed on plant roots in the soil.
Phyllophaga inepta
May beetle, June beetle
Phyllophaga inepta is a species of scarab beetle in the family Scarabaeidae, commonly known as a May beetle or June beetle. It belongs to one of the most speciose genera in North American beetles, with over 400 species. Like other members of the genus, it has a subterranean larval stage that feeds on plant roots and an adult stage that feeds on foliage.
Phyllophaga inversa
May beetle
Phyllophaga inversa is a scarab beetle species in the family Scarabaeidae, originally described as Lachnosterna inversa by Horn in 1887. It belongs to the genus Phyllophaga, commonly known as May beetles or June beetles, which are characterized by subterranean larval stages that feed on plant roots. The species occurs in both Central America and North America, with documented records from the United States and Canada.
Phyllophaga latifrons
May beetle, junebug
Phyllophaga latifrons is a species of scarab beetle in the genus Phyllophaga, commonly known as May beetles or junebugs. The species was originally described by LeConte in 1856 under the name Lachnosterna latifrons. It is found in the eastern and southeastern United States, with records from Alabama, Florida, Georgia, Louisiana, Maryland, Mississippi, New Jersey, North Carolina, South Carolina, and Virginia.
Phyllophaga lobata
Phyllophaga lobata is a species of scarab beetle in the family Scarabaeidae, subfamily Melolonthinae. It belongs to the genus Phyllophaga, a large group of beetles commonly known as May beetles or June bugs. The species was described by Henry Clinton Fall in 1908. Distribution records indicate presence in Arizona, USA, and parts of Middle America.
Phyllophaga longitarsa
May beetle, Junebug
Phyllophaga longitarsa is a species of scarab beetle in the genus Phyllophaga, commonly known as May beetles or Junebugs. The species was described by Thomas Say in 1824 and is native to North America. Like other members of the genus, it likely exhibits a subterranean larval stage feeding on plant roots and an adult stage that emerges in spring or early summer. The genus Phyllophaga is one of the most species-rich scarab genera in North America, with over 400 species, and species-level identification often requires examination of genitalia.
Phyllophaga lota
Phyllophaga lota is a species of scarab beetle in the family Scarabaeidae, commonly known as May beetles or June bugs. It is found in North America, specifically in the southeastern United States. As a member of the genus Phyllophaga, it shares the typical life history of other May beetles, with larvae feeding on plant roots in soil and adults feeding on foliage. The species was described by Luginbill in 1928.
Phyllophaga marginalis
Phyllophaga marginalis is a species of scarab beetle in the family Scarabaeidae. It was originally described as Lachnosterna marginalis by LeConte in 1856. The species is known to occur in North America. Two subspecies are recognized: P. m. marginalis (the nominate subspecies) and P. m. insolita, described by Cartwright in 1944.
Phyllophaga micans
May beetle, June beetle
Phyllophaga micans is a scarab beetle in the family Scarabaeidae, commonly known as a May beetle or June beetle. Adults measure 15–17 mm in length and are characterized by a dark body with a distinctive pale, dust-like coating. The species is found in eastern and central North America, where adults feed on hardwood trees. Like other members of the genus Phyllophaga, larvae develop as white grubs in soil, feeding on plant roots.
Phyllophaga obsoleta
May beetle, June beetle
Phyllophaga obsoleta is a scarab beetle species in the family Scarabaeidae, found across the Americas from North America through Central America to South America. It is an agricultural pest in some regions, with larvae feeding on plant roots. The species was first reported in Colombia in 2017, where it has been documented in agricultural ecosystems of the Eastern Antioquia region.
Phyllophaga obsoleta vanelleri
Phyllophaga obsoleta vanelleri is a subspecies of May beetle within the scarab genus Phyllophaga. The genus Phyllophaga comprises scarab beetle larvae commonly known as 'white grubs,' which are significant agricultural and horticultural pests. This subspecies is part of a complex of Phyllophaga species that serve as hosts for parasitoid wasps including Pelecinus polyturator and Myzinum species.
Phyllophaga okeechobea
Phyllophaga okeechobea is a species of scarab beetle in the genus Phyllophaga, commonly known as May beetles or June beetles. The species was described by Robinson in 1948 and is known from Florida. Like other members of this large genus, it likely exhibits the typical life history of Phyllophaga species, with larvae feeding on plant roots underground and adults emerging to feed on foliage. However, specific biological details for this species remain poorly documented.
Phyllophaga opaca
Phyllophaga opaca is a species of scarab beetle in the family Scarabaeidae, first described by Moser in 1918. It belongs to the genus Phyllophaga, commonly known as May beetles or June beetles, which are characterized by their subterranean larval development and adult emergence patterns. The species occurs in both Central America and North America, with documented records from the southwestern United States and western Mexico. Like other members of its genus, it likely has a life cycle involving soil-dwelling larvae that feed on plant roots.
Phyllophaga parvidens
Phyllophaga parvidens is a species of scarab beetle in the family Scarabaeidae. It is found in North America. Two subspecies are recognized: Phyllophaga parvidens parvidens (LeConte, 1856) and Phyllophaga parvidens hysteropyga Davis, 1920. As a member of the genus Phyllophaga, it belongs to a diverse group of beetles commonly known as May beetles or June beetles.
Phyllophaga pleroma
Phyllophaga pleroma is a species of scarab beetle in the family Scarabaeidae. It is one of over 400 species in the genus Phyllophaga, a large and taxonomically challenging group of North American scarab beetles commonly known as May beetles or June bugs. The species was described by Reinhard in 1940 and is currently known from Texas. Like other members of the genus, it is likely nocturnal and attracted to lights, with larvae developing as soil-dwelling root-feeders.
Phyllophaga postrema
Phyllophaga postrema is a species of scarab beetle in the family Scarabaeidae. It is found in North America, with distribution records from the southeastern United States. Like other members of the genus Phyllophaga, it is commonly referred to as a May beetle or June beetle. The genus Phyllophaga contains over 400 species in North America, and species-level identification often requires examination of genitalia.
Phyllophaga pusillidens
Phyllophaga pusillidens is a species of scarab beetle in the family Scarabaeidae, first described by Fall in 1937. It belongs to the genus Phyllophaga, commonly known as May beetles or June beetles, which contains over 400 species in North America. The species is poorly documented in scientific literature, with minimal information available regarding its biology, ecology, or distribution beyond basic taxonomic records.
Phyllophaga renodis
Phyllophaga renodis is a species of scarab beetle in the genus Phyllophaga, commonly known as May beetles or June bugs. The genus Phyllophaga is one of the most species-rich genera in North America, with over 400 species. Species-level identification within this genus is notoriously difficult and typically requires examination of male and female genitalia. P. renodis is documented from Texas in the Nearctic region. Like other members of the genus, it likely has a subterranean larval stage feeding on plant roots and above-ground adults that feed on foliage.
Phyllophaga riviera
Phyllophaga riviera is a species of scarab beetle in the family Scarabaeidae, described by Reinhard in 1950. It belongs to the genus Phyllophaga, commonly known as May beetles or June beetles, which contains over 400 species in North America. The species is known from Texas within the Nearctic region. Like other members of its genus, it likely has a life cycle involving soil-dwelling larvae that feed on plant roots and adults that feed on foliage.
Phyllophaga rolstoni
Phyllophaga rolstoni is a species of scarab beetle in the family Scarabaeidae, described by Riley and Wolfe in 1995. Like other members of the genus Phyllophaga (May beetles), it is part of a large and taxonomically challenging group of scarab beetles with over 400 species in North America. The species is known from Texas within the Nearctic region.
Phyllophaga rubiginosa
Phyllophaga rubiginosa is a species of scarab beetle in the family Scarabaeidae, first described by LeConte in 1856. It is native to North America and has been recorded from several U.S. states including Colorado, Georgia, Kansas, Michigan, Nebraska, and Texas. Like other members of the genus Phyllophaga, commonly known as May or June beetles, this species is part of a large and economically significant group of scarabs whose larvae are known as white grubs.
Phyllophaga rugosa
rugose June beetle
Phyllophaga rugosa, commonly known as the rugose June beetle, is a scarab beetle in the family Scarabaeidae. It occurs across much of North America, with documented records from Canada and the United States. Like other members of the genus Phyllophaga, it is a nocturnal beetle often attracted to lights. The species has been identified as an intermediary host for the giant thorn-headed worm of swine (Macracanthorhynchus hirudinaceus).
Phyllophaga squamipilosa
Phyllophaga squamipilosa is a species of scarab beetle in the family Scarabaeidae, one of over 400 species in the genus Phyllophaga found in North America. The species was described by Saylor in 1936. Like other members of this large genus, it is commonly referred to as a May beetle or June beetle. Very little specific information has been published about this particular species.
Phyllophaga submucida
Phyllophaga submucida is a species of scarab beetle in the family Scarabaeidae. It belongs to the large genus Phyllophaga, commonly known as May beetles or June beetles, which contains over 400 species in North America. The species was originally described by LeConte in 1856 under the basionym Lachnosterna submucida. Like other members of its genus, it is a soil-dwelling beetle with larvae that feed on plant roots.
Phyllophaga torta
Phyllophaga torta is a scarab beetle species in the family Scarabaeidae. It belongs to the large genus Phyllophaga, commonly known as May beetles or June bugs, which contains over 400 species in North America. The species occurs in Central America and North America, with records from Texas in the United States and several states in northeastern Mexico.
Phyllophaga trichodes
Phyllophaga trichodes is a scarab beetle in the family Scarabaeidae, described by Bates in 1888. The species belongs to the genus Phyllophaga, commonly known as May beetles or June beetles, which contains numerous North American species with root-feeding larval stages. It occurs in both the Nearctic and Neotropical biogeographic realms.
Phyllophaga tusa
Phyllophaga tusa is a species of scarab beetle in the family Scarabaeidae, first described by George Henry Horn in 1887. It belongs to the genus Phyllophaga, a large and taxonomically challenging group of North American scarab beetles commonly known as May beetles or June beetles. The species is recorded from the Nearctic region, specifically Texas in the United States. Like other members of its genus, adults are likely nocturnal and attracted to lights, with larvae developing as soil-dwelling root-feeders.
Phyllophaga uniformis
Phyllophaga uniformis is a species of scarab beetle in the family Scarabaeidae, commonly known as May beetles or June beetles. The species was described by Blanchard in 1851. Like other members of the genus Phyllophaga, it is likely a root-feeding beetle with subterranean larval stages, though specific details about its biology remain poorly documented.
Planolinoides borealis
Mouse Dung Beetle
Planolinoides borealis, commonly known as the Mouse Dung Beetle, is a small scarab beetle in the subfamily Aphodiinae. The species has a broad Holarctic distribution, occurring across northern North America and Eurasia. It is associated with rodent burrows and nests, where it feeds on dung and organic matter. The species was first described by Gyllenhal in 1827.
Platytomus notialis
Platytomus notialis is a small scarab beetle in the family Scarabaeidae, subfamily Aphodiinae. The species was described by Cartwright in 1948 and is native to the Nearctic region of North America. It belongs to the tribe Psammodiini, a group commonly associated with sandy habitats. Records indicate presence across multiple U.S. states in the central and eastern regions.
Plectris aliena
Plectris aliena is a scarab beetle species first described by Chapin in 1934. Adults measure 10.8–13.5 mm in length and exhibit a castaneous to yellowish-brown coloration above with paler undersides and legs. The species has been documented across a remarkably broad geographic range spanning three continents: South America (Argentina, Brazil, Paraguay), North America (North Carolina, South Carolina), and Australia (New South Wales).
Plectrodes pubescens
Plectrodes pubescens is a species of scarab beetle in the family Scarabaeidae, subfamily Melolonthinae. Described by Horn in 1867, this species is known from California, USA. Very little is known about its biology or ecology. The genus Plectrodes contains few species and is poorly studied compared to related melolonthine genera.
Podolasia stillwellorum
Podolasia stillwellorum is a species of scarab beetle in the family Scarabaeidae, described by Howden in 1997. It belongs to the subfamily Podolasiinae, a small group within the scarab beetles. The species is known from limited records in Central America and Texas.
Polyphylla anteronivea
Saline Valley Snow-front June Beetle, Saline Valley Snow-front Scarab
Polyphylla anteronivea is a species of scarab beetle in the family Scarabaeidae, described by Hardy in 1978. It belongs to the genus Polyphylla, commonly known as lined June beetles, which are characterized by their large size and distinctive antennae. The species is known from limited observations in North America, specifically from California.
Polyphylla arguta
Polyphylla arguta is a species of lined June beetle in the family Scarabaeidae. It is native to western North America, with documented occurrences in Arizona, Colorado, Idaho, Nevada, New Mexico, Utah, and Wyoming. The species belongs to a genus whose members are typically associated with sandy habitats and are nocturnally active, attracted to lights.
Polyphylla avittata
spotted Warner valley dunes June beetle, spotted Warner valley dunes scarab beetle
Polyphylla avittata is a species of scarab beetle in the subfamily Melolonthinae, commonly known as the spotted Warner valley dunes June beetle. The species is endemic to sand dune habitats in the Warner Valley of Utah. Like other members of the genus Polyphylla, it exhibits sexual dimorphism in antennal structure, with males possessing enlarged, lamellate antennae used to detect female sex pheromones. The species is rarely encountered and poorly documented in scientific literature.
Polyphylla cavifrons
Polyphylla cavifrons is a species of scarab beetle in the family Scarabaeidae. It occurs in the southwestern United States and northwestern Mexico, including Arizona, California, Nevada, and Baja California. The species belongs to a genus known for large-bodied beetles with fan-like antennae in males, though specific details about this species' biology remain limited in published literature.
Polyphylla decemlineata
Ten-lined June Beetle, Watermelon Beetle
Polyphylla decemlineata is a large scarab beetle native to western North America, commonly known as the Ten-lined June Beetle or Watermelon Beetle. Adults are notable for their distinctive ten white stripes on dark elytra and greatly enlarged, fan-like antennae in males. The species is strongly attracted to lights and exhibits distinctive pheromone-mediated mating behavior where males actively search for flightless females. Larvae develop underground, feeding on roots of grasses and other plants.
Polyphylla erratica
Death Valley June Beetle
Polyphylla erratica, commonly known as the Death Valley June Beetle, is a scarab beetle in the subfamily Melolonthinae. It is narrowly endemic to the Amargosa River drainage basin in the southwestern United States. The species is associated with saltgrass communities and has been documented at Saratoga Springs in Death Valley. Like other Polyphylla species, it exhibits sexual dimorphism in antennal structure, with males possessing enlarged, lamellate antennae for detecting female sex pheromones.
Polyphylla hammondi
Hammond's Lined June Beetle
Polyphylla hammondi is a large scarab beetle in the subfamily Melolonthinae. Adults measure 24.8–35.5 mm in length and are highly variable in coloration with almost no stripes or mottling. Males possess greatly enlarged, fan-like antennae used to detect female sex pheromones. The species is strongly associated with sand dune habitats across the Great Plains and southwestern North America. Males are attracted to lights at night and exhibit distinctive splayed-antennae behavior when actively searching for females. Females are rarely encountered and may be flightless.
Polyphylla nubila
Atascadero June beetle
Polyphylla nubila, the Atascadero June beetle, is a species of scarab beetle in the family Scarabaeidae. It is native to North America, with distribution records indicating presence in California, USA. The species belongs to the genus Polyphylla, a group commonly known as lined June beetles or ten-lined June beetles, characterized by males with enlarged, fan-like antennae used to detect female sex pheromones. Like other members of this genus, P. nubila is likely associated with sandy habitats and exhibits nocturnal activity patterns.
Polyphylla occidentalis
Western Ten-lined June Beetle, Western Lined June Beetle
Polyphylla occidentalis is a scarab beetle in the family Scarabaeidae, commonly known as the western ten-lined June beetle or western lined June beetle. It is native to the southeastern United States, where adults are active during warm summer months. The species is characterized by brownish coloration with white longitudinal stripes and enlarged, fan-like antennae in males that function in detecting female sex pheromones. Larvae develop underground, feeding on plant roots.
Polyphylla pottsorum
Polyphylla pottsorum is a species of scarab beetle in the family Scarabaeidae. It is a member of the diverse genus Polyphylla, commonly known as lined June beetles, which are characterized by their large size and distinctive antennae. The species was described by Hardy in 1978.
Polyphylla sobrina
Polyphylla sobrina is a species of scarab beetle in the family Scarabaeidae, commonly known as the ten-lined June beetle. It is native to western North America, with documented occurrences in California, Nevada, and Utah. The species belongs to a genus characterized by males with enlarged, fan-like antennae used to detect female sex pheromones. Research on this species has been notably challenging due to the extremely small quantities of its pheromone, which has resisted isolation and structural identification for decades.
Polyphylla variolosa
Variegated June Beetle
Polyphylla variolosa, commonly known as the Variegated June Beetle, is a scarab beetle in the family Scarabaeidae. It is a medium-sized species, approximately 2 cm in length, with reddish-brown coloration. Males possess enlarged, fan-like antennae with seven antennomeres that are longer than those of females, which they use to detect female sex pheromones. The species is associated with sandy soil habitats, particularly in coastal and Great Lakes regions of eastern North America.
Popillia japonica
Japanese Beetle
Popillia japonica is a scarab beetle native to Japan that has become one of the most destructive invasive pests in North America since its accidental introduction to New Jersey in 1916. Adults feed on foliage, flowers, and fruits of over 300 plant species, while larvae (grubs) damage roots of turf grasses and other plants. The species has established populations throughout the eastern United States and Canada, with recent expansions into the Midwest and detections in western states. Climate modeling predicts continued northward range expansion.
Pseudagolius bicolor
Pseudagolius bicolor is a species of scarab beetle in the family Scarabaeidae, subfamily Aphodiinae. It was described by Thomas Say in 1823. The species is distributed across parts of North America, including the United States, Canada, and Mexico. As a member of the Aphodiinae, it is likely associated with dung or decaying organic matter, though specific ecological details are poorly documented.
Pseudagolius coloradensis
Pseudagolius coloradensis is a species of scarab beetle in the family Scarabaeidae, subfamily Aphodiinae. It is distributed across the Nearctic region from the Canadian prairies through the western and central United States to central Mexico. The species was described by Horn in 1870. Limited behavioral and ecological information is available for this species.
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.
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