The species is preyed upon by spiders, birds, and other insects. Nematodes are parasites of pure green sweat bees. It may be one of the few animal pollinators of walnut. They collect pollen from over 40 different species of plants, including spring beauties, false rue anemones, dimpled trout lilies, slender toothworts, and star chickweeds. Pure green sweat bees are generalist pollinators. What roles do they have in the ecosystem? The nests of pure green sweat bees are likely impacted by parasitoid wasps. Pure green sweat bees are preyed upon by spiders, birds, and other insects. What eats them and how do they avoid being eaten?įemale bees can sting to defend themselves and their nests. They feed off many types of flowers and show little preference. ( Short and Lucky, 2018)Īdults feed primarily on nectar. Chemical and tactical communication is likely. They may use visual, chemical, and tactical perception. Not much is known about the communication and perception of pure green sweat bees. The late afternoon is used for nest building and protecting. Female pure green sweat bees start searching for nectar in the morning, followed by pollen foraging into the afternoon. Female bees may shelter together throughout the winter. They are a solitary species that prefers shady habitats. ( Short and Lucky, 2018 Stockhammer, 1966)Īs the name suggests, pure green sweat bees are attracted to the sweat of humans. How do they behave?Īs the name suggests, pure green sweat bees are attracted to the sweat of humans. Pure green sweat bees near the northernmost parts of their geographic range have fewer generations per year. Most often there are 2-3 generations per year. It is likely that females die after completing 9-12 nests. The time to mature from egg to adult can range from 17 to 40 days. The exact lifespan of pure green sweat bees is not known. Males do not contribute to nest building or food gathering. The last generation of females to hatch in the fall will overwinter and start their nests in the spring. Range age at sexual or reproductive maturity (male) 17 to 40 daysĮach female builds her own nest and produces her own offspring.Range age at sexual or reproductive maturity (female) 17 to 40 minutes.Breeding season Mating occurs in the fall.How often does reproduction occur? Yearly.gonochoric/gonochoristic/dioecious (sexes separate).( Moisset and Wojcik, 2020 Stockhammer, 1966) The time from egg to adult is 17-40 days, depending on temperature. Once a cell is complete, the female will lay a single egg into it and seal it. These cells can be two or three-dimensional structures. She glues the debris together with her saliva and nectar. Female bees build cells out of mud and debris from under the bark. Unlike other bees in the family Halictidae, pure green sweat bees nest under loose bark of stumps, rotten trees, and logs. Female bees will gather food to build up fat to survive the winter in hibernation. Instead, males wait for females to land on a flower before attempting. During this phase, pupae transform into adult bees. Once the larvae have fully matured, they begin the pupal stage. Larvae hatch from eggs, then pass through several stages of growth. Pure green sweat bees undergo complete metamorphosis like other bees in the order Hymenoptera. These animals are found in the following types of habitat.They may travel to nearby open areas to gather food. Nests are commonly located under in fallen logs in forests. Pure green sweat bees are found in and near shady hardwood forests. The time frame becomes longer with warmer temperatures, it goes from February to November. This species ranges from Quebec and Nova Scotia to Florida and Texas. Pure green sweat bees ( Augochlora pura) are found across the eastern United States and Canada. Female bees are often larger than male bees and have pollen-collecting hairs on their back legs. Female bees have 12 antennae segments, while males have 13 segments. Their shimmering colors range from gold to green to blue. Pure green sweat bees average 8 mm in length. They have large, black eyes and two dark wings. Pure green sweat bees are a shiny, brightly colored species of bee.
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