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Photography with cameras
Nikon D3x, Nikon D300, Canon 50D
Image editing with Photoshop |
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Keyword: Sudeticus |
Overview - a b c d e f g h i j k l m n o p q r s t u v w x y z |
Seite 1 von 1 | | | | Königinnen | Königinnen sind bei den staatenbildenden Insekten diejenigen weiblichen Tiere, deren Aufgabe in der Eiablage sowie der anfänglichen Betreuung der geschlüpften Larven besteht.
Kolonien werden in der Regel von Königinnen gegründet. Da sie morphologisch auf das Eierlegen spezialisiert sind, können sie andere Aufgaben nicht oder nur unzureichend wahrnehmen. Sie spielen die Hauptrolle im sozialen Gefüge der Kolonien, da sie durch Freisetzung von Botenstoffen (Pheromone) das Verhalten der anderen Insekten steuern und kontrollieren. Bienenköniginnen werden im Larvenstadium mit dem wachstumsfördernden Gelée Royale gefüttert. Bei den Ameisen kann es vorkommen, dass eine Kolonie von mehreren Königinnen geführt wird. | | |
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| Tabanus sudeticus | | Tabanus sudeticus are the largest species of horse fly in Central Europe. They are widespread throughout the entire Palearctic eco-zone.
Tabanus sudeticus reach body lengths of 19-25 mm. Their base colour is grey-brown. Their compound eyes are dark brown. The thorax of these flies is olive-brown to grey and has 3 weak longitudinal lines, which are somewhat brighter in colour. The dark brown segments... | | |
| Tabanus sudeticus are active from June to August, mainly on pastures. They can be recognized by their clearly audible hum. The females suck blood, mostly from horses and cattle.
The females lay their white, oblong eggs on plants in disorderly piles. Their la...
...eir white, oblong eggs on plants in disorderly piles. Their larvae are whitish-green. They live in the soil and feed on rotting parts of plants and small organisms, which they kill by injecting them with poison, using their mouth parts.
Tabanus sudeticus are considered to be disease carriers, particularly of the EIA virus.
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| | | Horse flies | | ...ood sucking insects. There are approximately 4000 species of horse flies worldwide. Some examples of these species are: twin-lobed deerfly (Chrysops relictus), pale giant horsefly (abanus bovinus), band-eyed brown horsefly (Tabanus bromius), Tabanus sudeticus and notch-horned cleg (Haematopota pluvialis).
The females are drawn to humans and mammals by the smell of their sweat. They feed on their blood, sucking up to 0.2 ml from them. The males feed on nectar. In some species the females live off pla... | | |
| | |  | | Dark giant horsefly - Tabanus sudeticus - front view | | >> Picture |
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