Best Cavity Nesting

The Red Mason Bee, *Osmia bicornis*, is a common European bee known for its cavity-nesting behavior. Males are distinguished by noticeable facial horns. These solitary bees are particularly useful for pollinating fruit trees and vegetables due to their efficient foraging habits and preference for co...

Bombus hypnorum, commonly known as the tree bumblebee, is a species of bumblebee characterized by its distinct color pattern of a brown thorax, black abdomen, and white tail. Originally native to mainland Europe and Asia, it notably expanded its range into the United Kingdom around 2001, establishin...

Centris analis is a solitary oil-collecting bee described by Fabricius in 1804, notable for nesting in cavities across a range extending from Brazil to Mexico.

The Barrow's Goldeneye is a medium-sized sea duck found primarily in the northwestern regions of North America, with a distinct, isolated population in Iceland. The male is notable for its dark, purple-glossed head featuring a prominent, crescent-shaped white mark between the eye and bill. These cav...

Apis binghami is a giant honey bee taxon restricted to Sulawesi and nearby Indonesian islands, originally named by Cockerell in 1906.

Hylaeus communis is a widespread Palearctic masked bee described by Nylander in 1852, notable for carrying pollen internally rather than on external hairs.

The Common Goldeneye (Bucephala clangula) is a medium-sized sea duck native to the northern forests of North America and Eurasia. Adult males are distinguished by their iridescent dark green heads, contrasting black-and-white bodies, and characteristic bright yellow eyes. As cavity nesters, females...

Apis breviligula is a giant honey bee taxon endemic to the Philippines, excluding Palawan, and was formally described by Maa in 1953.

Koschevnikov's Honey Bee (Apis koschevnikovi) is a eusocial cavity-nesting bee belonging to the family Apidae. Described by Günther Enderlein in 1906, it was named in honor of Russian entomologist Grigory Koschevnikov. The species is endemic to the tropical evergreen forests of Borneo and Sumatra. I...

Apis nigrocincta, commonly known as the Philippine honey bee, is a cavity-nesting honey bee species native to the Philippines and parts of Indonesia. First described by Frederick Smith in 1861, the species builds its nests by constructing multiple parallel wax combs inside hollow trees. It is closel...

Anthidium porterae is a solitary wool-carder bee native to western North America, where females gather plant hairs to construct brood cells in existing cavities.

Hoplitis producta is a North American mason bee whose females commonly nest in hollow stems or beetle burrows and partition their brood cells with plant material.

Megachile petulans is a solitary leafcutter bee in the family Megachilidae; females cut plant material to partition brood cells rather than forming colonies.

Hylaeus mesillae is a transcontinental North American masked bee described by Cockerell in 1896, notable for nesting in existing narrow cavities.

Hylaeus modestus is a North American species of masked bee belonging to the Colletidae family, first officially described by Cresson in 1863.

Megachile gemula is a North American leafcutter bee described by Cresson in 1878, belonging to a genus whose females cut leaves to construct brood cells.

Hoplitis truncata is a solitary mason bee in the family Megachilidae, notable for carrying dry pollen beneath its abdomen and nesting in pre-existing cavities.

Osmia simillima is a mason bee described by Smith in 1853, belonging to a diverse genus whose females transport pollen on hairs beneath the abdomen.