File:Xylocopa caffra female, Anthophoridae, at Orphium fruitescens.jpg
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[edit]DescriptionXylocopa caffra female, Anthophoridae, at Orphium fruitescens.jpg |
English: Xylocopa caffra is probably the most familiar carpenter bee in the Western Cape of South Africa. Note that it is now regarded as being in the family Apidae, in which the Anthophoridae now are included. Orphium frutescens is a coastal fynbos plant in the family Gentianaceae. It grows along the coast of the south western Cape of South Africa. Its flowers are a cheerful, glossy pink with golden stamens, avidly visited by pollinators. It is a short-lived perennial that self-seeds even on unpromising soil, though it really does best on dune sands. As it happens, this species of plant and this bee have a mutually beneficial adaptation; the ripe anthers do not release their pollen till they sense a vibration of a frequency close to that of the wings of this species of bee, then they release it explosively over the bee. The bee in turn collects the pollen for its larvae, disseminating some of it in her visits to more flowers. The anthers can be stimulated to release their pollen by stimulating them with a suitable tuning fork. |
Date | |
Source | Own work |
Author | JonRichfield |
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current | 15:17, 29 May 2011 | 2,734 × 2,099 (2.36 MB) | JonRichfield (talk | contribs) |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A650 IS |
Exposure time | 1/400 sec (0.0025) |
F-number | f/4 |
ISO speed rating | 80 |
Date and time of data generation | 09:06, 26 December 2009 |
Lens focal length | 7.4 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 15:43, 29 May 2011 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 09:06, 26 December 2009 |
Image compression mode | 5 |
APEX shutter speed | 8.65625 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
Color space | sRGB |
Focal plane X resolution | 13,745.704467354 |
Focal plane Y resolution | 13,698.630136986 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
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26 December 2009
0.0025 second
7.4 millimetre
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