File:Odynerus spinipes^ Vespidae. See parasite note - Flickr - gailhampshire.jpg
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Summary
DescriptionOdynerus spinipes^ Vespidae. See parasite note - Flickr - gailhampshire.jpg |
Most Strepsiptera (also known as twisted-wing parasites) live as internal parasites of bees, wasps, grasshoppers, leafhoppers, and other members of the order Hemiptera. Only a few species that parasitize bristletails (Archeognatha) are known to be free-living in the adult stage. Strepsiptera share so many characteristics with beetles that some entomologists classify them as a superfamily of Coleoptera. In fact, Strepsiptera and certain parasitic beetles (in the families Meloidae and Rhipiphoridae) are among the very few insects that undergo hypermetamorphosis, an unusual type of holometabolous development in which the larvae change body form as they mature. Upon emerging from their mother's body, the young larvae, called triunguloids, have six legs and crawl around in search of a suitable host. In species that parasitize bees or wasps, a triunguloid usually climbs to the top of a flower and waits for a pollinator. When a host arrives, the larva jumps aboard, burrows into its body, and quickly molts into a second stage that has no distinct head, legs, antennae or other insect-like features. These larvae grow and continue to molt inside the host's body cavity, assimilating nutrients from the blood and non-vital tissues. After pupating in the host, winged males emerge and fly in search of mates. An adult female remains inside her host, managing to attract and mate with a male while only a small portion of her body protrudes from the host's abdomen. Embryos develop within the female's body, and a new generation of triunguloid larvae begin their life cycle by escaping through a brood passage on the underside of her body. Adult male Strepsiptera are strange-looking insects. The head is small, with protruding compound eyes that look like tiny raspberries. The antennae are multi-segmented and have up to three branches. Front wings are reduced to small, club-like structures; hind wings are very large and fan-shaped. |
Date | |
Source | Odynerus spinipes? Vespidae. See parasite note |
Author | gailhampshire from Cradley, Malvern, U.K |
Camera location | 36° 26′ 16.28″ N, 5° 26′ 57.18″ W | View this and other nearby images on: OpenStreetMap | 36.437856; -5.449218 |
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This image was originally posted to Flickr by gailhampshire at https://flickr.com/photos/43272765@N04/6510119221. It was reviewed on 8 July 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
8 July 2016
Items portrayed in this file
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36°26'16.282"N, 5°26'57.185"W
3 May 2011
File history
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Date/Time | Dimensions | User | Comment | |
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current | 06:21, 14 October 2017 | 654 × 756 (166 KB) | Chiswick Chap | Cropped 31 % horizontally and 22 % vertically using CropTool with precise mode. |
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Metadata
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Camera manufacturer | Panasonic |
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Camera model | DMC-TZ5 |
Exposure time | 1/320 sec (0.003125) |
F Number | f/8 |
ISO speed rating | 100 |
Date and time of data generation | 11:57, 3 May 2011 |
Lens focal length | 4.7 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS Windows |
File change date and time | 17:03, 9 October 2011 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 11:57, 3 May 2011 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 3.44 APEX (f/3.29) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 28 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Supported Flashpix version | 0,100 |
Image width | 952 px |
Image height | 972 px |
Date metadata was last modified | 17:03, 9 October 2011 |