Parasitoid wasp (Braconidae) on Aphid, on milkweed, September 30, 2010




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Published on Sep 30, 2010

Over the past month I have been watching some Braconid:Aphidiinae wasps inserting their eggs (ovipositing) into Aphids. Decided to shoot some video today. These are quite small wasps (+- 3-4mm) with reduced wing venation.

Notice how the transfer of egg takes some time.
It is interesting how the ants tending the aphids appear to completely ignore the parasitoid/ Braconid wasp. They clearly are drumming right on the wasp. Do these wasps have some sort of chemical adaptation to mask their presence?

There were many Aphids that were brown from parasitoid pupal development and some with emergence holes as can be seen here:

These were just planted this milkweed (Asclepias) this spring from the Nature Center at Shaker Lakes native plant sale. Neat how quickly native plants can attract a host of other creatures!

taken with:
Canon PowerShot A610


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