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The Aphids' Christmas

aphids christmas infestation behavior

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#1 Offline Stubyvast - Posted Today, 12:09 PM

Stubyvast

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This morning, my mother noticed something strange under the Christmas tree. It appeared to be a collection of rather small spiders, upside-down, clumsily flailing their legs around on the ground as they tried to upright themselves.

Upon further inspection, I discovered that these insects, in the hundreds, were gathering around the trunk of our Christmas tree, waltzing up and down and overall having a great time. My family freaked out, and I realized that these were a particularly large species of aphid, feasting on their own Christmas dinner just like we had a few days before!

They clustered around the places where tree branch met tree, sucking the sap out of it and spraying it all over the lights we had so carefully hung on the tree. In the absence of ants with whom the aphids could have exchanged their honeydew for protection, they simply deposited their waste all over our decorations. My family and I hadn't noticed this for weeks, until today. We promptly moved the tree outside, washed our aphid-goop covered hands off, and cleaned the house. 

 

All in all, I didn't think I would be seeing aphids around for another three months or so. I was wrong!

 

Fallen aphids, the first sign of their infestation:

IMG_1461.jpg

 

A group of aphids around the branches:

IMG_1469.jpg

IMG_1467.jpg

 

The honeydew, sprayed onto our lights where they were closest to the trunk of the tree:

IMG_1465.jpg

 

Edit: Further research on the aphid shows that it was probably a species of Giant Conifer Aphid, which is known to live on Christmas trees.


Edited by Stubyvast, Today, 2:35 PM.

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Manica invidia (1 queen,  ~200 workers)

Manica invidia (1 colonies, 1 queens plus 3 workers)

Lasius niger (single queen, ~200 workers - naturalistic, predatory set-up)

Lasius americanus (1 colony, ~10 workers)

Tetramorium immigrans (3 colonies, 3 queens, ~ five workers each | 1 colony, 1 queen, ~1200 workers)

Formica aserva (aserva queen, ~15  â€‹Formica neorufibarbis workers)

 

"And God made...everything that creeps on the ground according to its kind. 

And God saw that it was good." - Genesis 1:25

 


#2 Offline rptraut - Posted Today, 7:04 PM

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Hello Stubyvast;

 

Seeing these aphids on a coniferous tree reminds me of a video by David Attenborough about the Forest Ants on the French/Swiss border that have a symbiotic relationship with aphids similar to these.    Those ants have an interesting way to survive the cold winters by making piles of spruce needles that compost and the heat produced keeps the colony warm.    If you know where your tree came from, it would be interesting to see if any ants in the area have developed a similar relationship.   If there are any ants at all, I'm sure they'd be interested in the honeydew.   

 

 

 

Here's the video about the Forest Ants.   Happy New Year, to you and your aphids.   

RPT

 

 


My father always said I had ants in my pants.

#3 Online Ants_Dakota - Posted Today, 7:45 PM

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Dang those are some large aphids! I have never seen anything that large around here.


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