| Megachile pruina | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Megachilidae |
| Genus: | Megachile |
| Species: | M. pruina |
| Binomial name | |
| Megachile pruina Smith, 1853 | |
Megachile pruina, also known as the Hoary Leafcutter Bee, is a species of bee in the family Megachilidae. [1] It was described by Smith in 1853. [1]
Megachile pruina is a species of bee in the subfamily Megachilinae , belonging to the subgenus Pseudocentron Mitchell, 1934. Specimens of Megachile pruina from Bermuda were initially classified as the subspecies M. pruina bermudensis Mitchell, 1929, but were later reclassified as M. pruina pruina due to their color resemblance to a specimen from North Carolina. [2] In 1937, a second subspecies, M. pruina nigropinguis Mitchell, was described to account for a dark female variant collected in Texas.
In 2024, a genetic study suggested that populations from Bermuda are genetically distinct from those in the United States. However, U.S. populations showed no significant genetic differences among themselves, suggesting that the formal subspecies classifications may be invalid. [3]
Megachile pruina shares a monophyletic lineage with other Pseudocentron species and exhibits closer relationships with species collected from the Caribbean and Mexico compared to South American species. [3]
Megachile pruina is a medium-sized (11-13mm). These bees present a sexual dichromatism, in which the females can be very dark.
Megachile pruina is found in the United States, ranging from Virginia [4] to Florida, and extending westward to Texas mostly along coastal habitats. [5] The species is also considered native to the islands of Bermuda. [6] In Bermuda, since 1989, its distribution has been confined to the Castle Harbour Islands Nature Reserve. Nonsuch Island serves as its primary habitat, with additional observations recorded on Cooper's Island, Southampton Island, Horn Rock, and Castle Island.
Bermuda's population of Megachile pruina is currently classified as "Vulnerable" under the Protected Species Amendment Order (2016) and is the only arthropod protected under the Bermuda Protected Species Act. [6]
Megachile rotundata, the alfalfa leafcutting bee, is a European bee that has been introduced to various regions around the world. As a solitary bee species, it does not build colonies or store honey, but is a very efficient pollinator of alfalfa, carrots, other vegetables, and some fruits. Because of this, farmers often use M. rotundata as a pollination aid by distributing M. rotundata prepupae around their crops. Each female constructs and provisions her own nest, which is built in old trees or log tunnels. Being a leafcutter bee, these nests are lined with cut leaves. These bees feed on pollen and nectar and display sexual dimorphism. This species has been known to bite and sting, but it poses no overall danger unless it is threatened or harmed, and its sting has been described as half as painful as a honey bee's.
Megachilidae is a cosmopolitan family of mostly solitary bees. Characteristic traits of this family are the restriction of their pollen-carrying structure to the ventral surface of the abdomen, and their typically elongated labrum. Megachilid genera are most commonly known as mason bees and leafcutter bees, reflecting the materials from which they build their nest cells ; a few collect plant or animal hairs and fibers, and are called carder bees, while others use plant resins in nest construction and are correspondingly called resin bees. All species feed on nectar and pollen, but a few are kleptoparasites, feeding on pollen collected by other megachilid bees. Parasitic species do not possess scopae. The motion of Megachilidae in the reproductive structures of flowers is energetic and swimming-like; this agitation releases large amounts of pollen.
The weka, also known as the Māori hen or woodhen is a flightless bird species of the rail family. It is endemic to New Zealand. Some authorities consider it as the only extant member of the genus Gallirallus. Four subspecies are recognized but only two (northern/southern) are supported by genetic evidence.
The tiger snake is a large and highly venomous snake of southern Australia, including its coastal islands and Tasmania. These snakes are often observed and locally well known by their banding, black and yellow like a tiger, although the species can be highly variable in colouration and patterning. All populations are classified within the genus Notechis (Elapidae). Their diverse characteristics have been classified either as distinct species or by subspecies and regional variation.
Oryzomys couesi, also known as Coues's rice rat, is a semiaquatic rodent in the family Cricetidae occurring from southernmost Texas through Mexico and Central America into northwestern Colombia. It is usually found in wet habitats, such as marshes, but also lives in drier forests and shrublands. Weighing about 43 to 82 g, O. couesi is a medium-sized to large rat. The coarse fur is buff to reddish above and white to buff below. The hindfeet show some specializations for life in the water, such as reduced ungual tufts of hair around the digits. It has 56 chromosomes. There is much geographic variation in size, proportions, color, and skull features. Oryzomys couesi is active during the night and builds nests of vegetation that are suspended among reeds about 1 m (3.3 ft) above the ground. It is an excellent swimmer and dives well, but can also climb in vegetation. An omnivore, it eats both plant and animal food, including seeds and insects. It breeds throughout the year; females give birth to about four young after a pregnancy of 21 to 28 days. The species may be infected by several different parasites and by two hantaviruses.
Megachile pluto, also known as Wallace's giant bee or raja ofu, is a large resin bee found in Indonesia. With a wingspan of 63.5 mm (2.5 in), it is the largest known living bee species. It was believed to be extinct until several specimens were discovered in 1981. No further sightings were confirmed until two specimens were collected and sold on eBay in 2018. A live female was found and filmed for the first time in 2019.
The hairy-footed flying squirrel is a flying squirrel found in the mountains of the eastern Himalaya, Southeast Asia, southern China, and the island of Taiwan. It lives at elevations of 800–2,400 m (2,600–7,900 ft) above sea level.
The genus Megachile is a cosmopolitan group of solitary bees, often called leafcutter bees or leafcutting bees; it also includes the called resin bees and mortar bees. While other genera within the family Megachilidae may chew leaves or petals into fragments to build their nests, certain species within Megachile neatly cut pieces of leaves or petals, hence their common name. This is one of the largest genera of bees, with more than 1500 species in over 50 subgenera. The alfalfa leafcutter bee is managed on a commercial scale for crop pollination, and has been introduced by humans to various regions around the world.
The rufous-lored kingfisher, also known as Winchell's kingfisher, is a species of bird in the kingfisher family Alcedinidae. It is endemic to the Philippines, its natural habitat being lowland forests. It is threatened by deforestation, and the International Union for Conservation of Nature (IUCN) has assessed it as a vulnerable species.
Megachile campanulae, known as the bellflower resin bee, is a species of bee in the family Megachilidae. Described in 1903, these solitary bees are native to eastern North America. Studies in 2013 placed them among the first insect species to use synthetic materials for making nests. They are considered mason bees, which is a common descriptor of bees in several families, including Megachilidae. Within the genus Megachile, frequently also referred to as leafcutter bees, M. campanulae is a member of the subgenus Chelostomoides, which do not construct nests from cut leaves, but rather from plant resins and other materials. Females lay eggs in nests constructed with individual cell compartments for each egg. Once hatched, the eggs progress through larval stages and subsequently will overwinter as pupae. The bees are susceptible to parasitism from several other bee species, which act as brood parasites. They are medium-sized bees and the female adults are typically larger than the males. They are important pollinators of numerous native plant species throughout their range.
Megachile angelarum is a species of bee in the Megachilidae family.
Megachile zombae is a species of bee in the Megachilidae family. Natively endemic to Malawi and identified in 1977, these are solitary bees. The name derives from Greek mega 'large' + cheil- (χειλ) 'lip' and a district Zomba, in Malawi.
Coelioxys sodalis is a bee from the family Megachilidae, one of numerous kleptoparasitic bees in the tribe Megachilini. Members of the genus Coelioxys exhibit kleptoparasitic behavior in that they lay their eggs in the nests of other bees, typically those of the related genus Megachile. As this behavior is similar to that of cuckoos, such bees are referred to as cuckoo bees. These host-parasite relationships are complex. Host insects of the brood parasite C. sodalis include Megachile melanophaea, M. texana, and M. rotundata.
Megachile leachella, also known as the silvery leafcutter bee, is a species of solitary bee in the family Megachilidae. This species is widely distributed in the Western Palaearctic region from Southern Fennoscandia to North Africa and the Middle East, however the precise boundaries of the species range is not fully understood. The species was described by John Curtis in 1828.
Megachile melanophaea is a species of leaf-cutter bee in the family Megachilidae. It was first described by the British zoologist Frederick Smith in 1853. It is native to North America.
Megachile parksi is a species of solitary bee in the family Megachilidae commonly called leafcutter bees. It is known from small areas in the states of Texas and Oklahoma, United States. It is considered Possibly Extinct by NatureServe as of 2019, but was rediscovered in 2022.
Megachile texana, the Texas leafcutter bee, is a species of bee in the family Megachilidae. It was first described by the American entomologist Ezra Townsend Cresson in 1878. It is native to the United States and southern Canada.
Coelioxys rufitarsis, common name red-legged cuckoo leafcutter bee, is a species of bee in the family Megachilidae. It is native to North America.
Megachile (Megachiloides) chomskyi is a species of leafcutter bee found in Texas. It is in the oenotherae species group. It is likely a specialist pollinator of plants in the family Onagraceae. Cory S. Sheffield described the species in 2013 and named the specific name in honor of Noam Chomsky.
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