File:Sassafras albidum, Sassafras staminate flowers, Howard County, MD, Helen Lowe Metzman 2017-07-25-20.19 (24427586417).jpg
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摘要
| 描述 |
Sassafrass....the trees are dioecious ... males and females on separate trees. While they do have plenty of flowers they are rarely visited by bees. Perhaps it is more of fly pollination system. Specimens and pictures by Helen Lowe Metzman from Howard County, Maryland. 18:38, 9 February 2018 (UTC)18:38, 9 February 2018 (UTC){{{{{{0}}}}}}18:38, 9 February 2018 (UTC)18:38, 9 February 2018 (UTC) All photographs are public domain, feel free to download and use as you wish. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200 Beauty is truth, truth beauty - that is all Ye know on earth and all ye need to know " Ode on a Grecian Urn"
John Keats
You can also follow us on Instagram - account = USGSBIML Want some Useful Links to the Techniques We Use? Well now here you go Citizen: Art Photo Book: Bees: An Up-Close Look at Pollinators Around the World www.amazon.com/Bees-Up-Close-Pollinators-Around-World/dp/... Free Field Guide to Bee Genera of Marylandhttp://bio2.elmira.edu/fieldbio/beesofmarylandbookversion1.pdf Basic USGSBIML set up: www.youtube.com/watch?v=S-_yvIsucOY USGSBIML Photoshopping Technique: Note that we now have added using the burn tool at 50% opacity set to shadows to clean up the halos that bleed into the black background from "hot" color sections of the picture. www.youtube.com/watch?v=Bdmx_8zqvN4 Bees of Maryland Organized by Taxa with information on each Genus www.flickr.com/photos/usgsbiml/collections PDF of Basic USGSBIML Photography Set Up: ftp://ftpext.usgs.gov/pub/er/md/laurel/Droege/How%20to%20Take%20MacroPhotographs%20of%20Insects%20BIML%20Lab2.pdf Google Hangout Demonstration of Techniques: plus.google.com/events/c5569losvskrv2nu606ltof8odo or www.youtube.com/watch?v=4c15neFttoU Excellent Technical Form on Stacking: www.photomacrography.net/ Contact information: Sam Droege sdroege@usgs.gov 301 497 5840 |
| 日期 | |
| 来源 | Sassafras albidum, Sassafras staminate flowers, Howard County, MD, Helen Lowe Metzman_2017-07-25-20.19 |
| 作者 | USGS Bee Inventory and Monitoring Lab from Beltsville, Maryland, USA |
许可协议
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这幅图片原始出处为Flickr的https://flickr.com/photos/54563451@N08/24427586417 ，作者为Sam Droege 。经机器人FlickreviewR 2在2018年2月9日审查后确定为采用Public Domain Mark的协议授权使用。 |
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| 日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
|---|---|---|---|---|---|
| 当前 | 2018年2月9日 (五) 18:38 | | 5,760 × 3,840（22.83 MB） | Jacopo Werther | Transferred from Flickr via Flickr2Commons |
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