Nesting-aggregation
Guides
Colletes hyalinus gaudialis
polyester bee, plasterer bee, cellophane bee
Colletes hyalinus gaudialis is a subspecies of polyester bee in the family Colletidae. Like other members of its genus, females construct solitary underground nests lined with a cellophane-like secretion from the Dufour's gland. This waterproof coating protects the semi-liquid pollen and nectar provisions for developing larvae. The subspecies is found in North America and shares the general biology of other Colletes species.
Dieunomia heteropoda
Giant Sweat Bee
Dieunomia heteropoda is a large sweat bee in the family Halictidae, commonly known as the Giant Sweat Bee. It occurs in Central America and North America. The species nests in aggregations in hard-packed soil, with males exhibiting patrolling and digging behaviors to locate females at nest entrances. Two subspecies are recognized: D. h. heteropoda and D. h. kirbii.
Nomia melanderi
alkali bee, Alkali Nomia
Nomia melanderi, commonly known as the alkali bee, is a solitary ground-nesting bee native to the western United States. It is the world's only intensively managed ground-nesting bee, commercially cultivated for alfalfa pollination. The species nests in dense aggregations in moist, alkaline soils and exhibits traits that preceded insect sociality, including defense of offspring against pathogens and predators.
Stizus
sand wasps
Stizus is a genus of sand wasps in the family Crabronidae, containing over 100 species distributed across Europe, Africa, and North America. These solitary wasps are typically yellow and black, rarely reddish, and reach lengths of about 34 mm. Species nest in sandy soils and provision burrows with prey, primarily grasshoppers, to feed their larvae. Some species form nesting aggregations where males defend territories and engage in contest behavior to gain mating access to females.