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Nature Gardens at NHM: LA's Urban Nature

Showing posts with label : Monarch butterfly

October 24, 2011

Today on the North Campus

I went out for a walk around the North Campus today and this is what I saw:

They are filling the pond to make sure there aren't any leaks and that the waterfall cascade is level.
 

I went out for a walk around the North Campus today and this is what I saw:

They are filling the pond to make sure there aren't any leaks and that the waterfall cascade is level.
 


Underneath the pedestrian footbridge is the best spot for mushrooms. I think this is a morel, Morchella esculenta. I am consulting with some mushroom experts to see if they can make a positive identification.

 

 

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October 13, 2011

North Campus Monarchs

Yesterday afternoon myself and number of other staff members braved the heat to continue our survey of North Campus insects. On the heels of last week's Gulf Fritillary discovery, I found the site's first Monarch butterfly caterpillar, Danaus plexippus!
 
Monarch butterfly caterpillar
 
As soon as I saw the caterpillar I knew it was a Monarch: There isn't another caterpillar in our area with such yellow, black, and white banding. Also, the caterpillar was found on a narrow-leaved milkweed plant, Asclepias fascicularis, which is one of the food plants of this well-known species.
 
Based on its size, this caterpillar is in the second to last caterpillar stage (4th instar). Over the coming weeks it will molt to the last and...