TF阅读真题第612篇NORTH AMERICAN GRASSLANDS 00:41 TF阅读真题第614篇THE SENSE OF SMELL 00:29 TF阅读真题第615篇THE TRICKSTER FIGURE IN MYTHOLOGY 00:40 TF阅读真题第666篇Commedia dell'Arte 00:55 TF阅读真题第667篇Early Native American Cultures 00:44 TF阅读真题第675篇Euglena Ecosystem Engineer...
Clay Bolt is an award-winning Natural History Photographer whose work has been featured by many of the world’s most respected conservation organizations. He specializes in photographing bumble bees and other North American bee species.
Nectar as a limiting resource in competition between introduced honeybees and native North American beesMaleady, John FMaleady, John F
来源期刊 American Entomologist 2018/06/13 研究点推荐 Our Native Bees Endangered Pollinators 0关于我们 百度学术集成海量学术资源,融合人工智能、深度学习、大数据分析等技术,为科研工作者提供全面快捷的学术服务。在这里我们保持学习的态度,不忘初心,砥砺前行。了解更多>>...
Pollen‐host specificity and evolutionary patterns of host switching in a clade of specialist bees (Apoidea: Diadasia) We examined the levels of pollen-host specificity in North American Diadasia (Hymenoptera: Apoidea), a clade of specialist bees. We analysed the scopal p... SIPES SEDONIA D...
focus on settlers moving west as part of their “Manifest Destiny.” This 19th century belief stated that American settlers were destined by God to claim lands across North America. Itspurposewas “to expand its dominion and spread democracy and capitalism across the entire North American continent...
Is marijuana native to North America? Are bees native to North America? Are polar bears native to Alaska? What is a harpy eagle? Are polar bears native to Canada? Is the northern Rocky Mountain wolf endangered? Are earthworms native to North America? Are pumpkins native to North America? Wh...
Utah is home to more than 20 percent of the 4,000+ named species of wild bees that are native to North America. Except for bumblebees and some sweat bees, our native bees are solitary, not social, many with just one annual generation that coincides with bloom by their favorite floral ...
Systematics and ecology of North American bee-associated mites: potential threats to native and introduced pollinators The PD has revised the genera of this family, providing a phylogenetic framework for species Klimov has worked with the PD on his NSF-PEET project revising... BM Oconnor 被引量...
causing problems for developing bees. Nesting holes should be between 4–10 mm in size and should be about six inches long. (Nesting holes that are too shallow will skew the sex range of the next generation’s bees.) Many bamboo shoots are too large for any North American bee to use. ...