Episyrphus balteatus
Diptera - Brachycera - Muscomorpha - Syrphidae
On le confond souvent avec les guêpes, mais cet insecte est inoffensif. Il est extraordinairement rapide.
Marmalade hoverfly
Widespread throughout all continents. This female was ejecting her eggs at the base of some plants although usually females lay them in aphid colonies so as the larvae hatch, they feed on them. Like most other hoverflies it mimics the solitary wasp, though it is quite harmless. It can be found throughout the yearin the southern regions in various habitats, including urban gardens, visiting flowers for pollen and nectar: it is among the very few species of flies capable of crushing pollen grains and feeding on them. Only females here!
Widespread throughout all continents. This female was ejecting her eggs at the base of some plants although usually females lay them in aphid colonies so as the larvae hatch, they feed on them. Like most other hoverflies it mimics the solitary wasp, though it is quite harmless. It can be found throughout the yearin the southern regions in various habitats, including urban gardens, visiting flowers for pollen and nectar: it is among the very few species of flies capable of crushing pollen grains and feeding on them. Only females here!
Une femelle dans le Mahonia:
06/01/2011
En vol en train d'inspecter le talus!
08/03/2011
Cette femelle aussi m'a interpelée parce qu'ayant mes grosses lunettes!, je la voyais pondre en éjectant ses œufs à la bases de certaines plantes! Normalement, ceux-ci sont pondus surtout dans des colonies de pucerons. Les larves qui en émergent se nourrissent alors uniquement de ces animaux. Les adultes, quant à eux se nourrissent de nectar et de miellat.
04/03/2011
Noushka
