File:Yellow Flower Crab Spider and Sphagneticola calendulacea.jpg
Yellow_Flower_Crab_Spider_and_Sphagneticola_calendulacea.jpg (761 × 428 pixels, file size: 88 KB, MIME type: image/jpeg)
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Summary
DescriptionYellow Flower Crab Spider and Sphagneticola calendulacea.jpg |
English: Sphagneticola calendulacea
These spiders belong to a very large family and are widespread and common throughout Southern Africa. They are 3-23mm in size, with most males being smaller than the females. Overall body shape and colour varies according to the lifestyle of the species. Most crab spiders live on plants and flower crab spiders are brightly coloured (yellow green, pink and white). Several species in the genus can change colour over several days to blend with the flower on which they sit and wait for their prey. They generally do not build webs. Instead they use their fangs to pierce tiny holes into their victims’ bodies, through which they suck the body fluids. The outer skeleton is then discarded. Their venom is not harmful to man, but is fast-acting on insects, enabling them to take prey larger than themselves. They play an important role in keeping insect numbers in check |
Date | |
Source | Own work |
Author | വരി വര |
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Items portrayed in this file
depicts
22 July 2015
0.00832 second
2.2
2.471 millimetre
100
image/jpeg
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:59, 22 July 2015 | 761 × 428 (88 KB) | Abijithka | User created page with UploadWizard |
File usage
Metadata
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Camera manufacturer | Motorola |
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Camera model | MotoE2 |
Author | Picasa |
Exposure time | 26/3,125 sec (0.00832) |
F-number | f/2.2 |
ISO speed rating | 100 |
Date and time of data generation | 13:06, 12 July 2015 |
Lens focal length | 2.471 mm |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Picasa |
File change date and time | 18:20, 22 July 2015 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 12:00, 8 December 2002 |
Meaning of each component |
|
Shutter speed | 6.9 |
APEX aperture | 2.275 |
APEX brightness | −1 |
Exposure bias | 0 |
Maximum land aperture | 2.275 APEX (f/2.2) |
Metering mode | Average |
Flash | Flash did not fire, No flash function |
Supported Flashpix version | 1 |
Color space | sRGB |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Contrast | Normal |
Saturation | Normal |
Sharpness | Soft |
Unique image ID | aee586a97f9444b4e3dd83207522a7b9 |
Geodetic survey data used | WGS-84 |
GPS tag version | 2.2.0.0 |
IIM version | 4 |