[Syrphidae] Hoverfly behavior
jlfray at ix.netcom.com
Wed Aug 2 18:38:51 BST 2006
Greetings to the Hoverfly discussion list
Would someone be able to comment on the following hoverfly behavior?
I was at the Carolina Sandhills National Wildlife Refuge,Chesterfield
County, South Carolina recently and watched briefly as a Steel-Blue Cricket
Hunter wasp (Chlorion aerarium) dig a hole in the sand probably for dragging
it's prey into this hole and to lay an egg on the prey. I did not witness
that process, but I did see two Syrphidae, perhaps Eristalis, hovering as if
watching this digging activity.
One landed on a nearby (approx 25 cm away ) grass leaf and stayed there
perhaps 3 or more minutes. The other landed more intermittently on another
close herbaceous plant. What would the hoverflies be looking for since
they feed on nectar and pollen?
Thank you very much
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