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Monsal Trail

Common Ragwort - Senecio jacobaea

 

www.nativeflower.co.uk/details.php?plant_url=62

 

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Eristalis

 

Eristalis is a large genus of hoverflies, family Syrphidae, in the order Diptera. Several species are known as drone flies (or droneflies) because they bear a resemblance to honeybee drones.

 

Drone flies and their relatives are fairly common generalist pollinators,[2] the larvae of which are aquatic, and breathe through a long, snorkel-like appendage, hence the common name rat-tailed maggots.[1][3]

 

Eristalis is a large genus of around 99 species,[4] and is subdivided into several subgenera and species groups (Eristalomyia, Eristalis, Eoseristalis etc.).

 

More information can be found on the link below:-

 

en.wikipedia.org/wiki/Eristalis

 

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Hover fly

 

Hover flies, also called flower flies or syrphid flies, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, while the larvae (maggots) eat a wide range of foods. In some species, the larvae are saprotrophs, eating decaying plant and animal matter in the soil or in ponds and streams. In other species, the larvae are insectivores and prey on aphids, thrips, and other plant-sucking insects.

 

Insects such as aphids are considered a crop pest, and therefore the aphid-eating larvae of some hover flies serve as an economically (as well as ecologically) important predator and even potential agents for use in biological control, while the adults may be pollinators.

 

About 6,000 species in 200 genera have been described. Hover flies are common throughout the world and can be found on all continents except Antarctica. Hover flies are harmless to most mammals, though many species are mimics of stinging wasps and bees, a mimicry which may serve to ward off predators.

 

More information can be found on the link below:-

 

en.wikipedia.org/wiki/Hover_fly

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Uploaded on September 21, 2013
Taken on August 11, 2012