• Rainbow over Half Dome


    National Park California

Wildlife and Other Sightings: Convergent Lady Beetle

September 08, 2012 Posted by: AH - Mather District Interpretive Ranger
Convergent Lady Beetle

Hippodamia convergens
Aphids on Aster  Convergent Lady Beetle

September 2, 2012
Trail from White Wolf to Lukens Lake

While walking the trail to Lukens Lake and trying to key out some purple flowers in the Aster family (there are a lot of species that look very similar and they are difficult to distinguish from one another), I noticed that the flower stalk of one was covered with tiny green aphids (photo on left). Aphids dine on the vascular juices of plants. A mile or so down the trail, a small red spot caught my eye on a purple aster that was a bit beyond its prime…a convergent lady beetle (photo on right)! Convergent lady beetles dine on aphids, though I didn't see any aphids near this particular beetle. They are the most common "ladybug" in the United states but they got their name for their habit of congregating by the thousands in places like the Sierra Nevada high country for a long hibernation (up to nine months)! I didn't see any other lady beetles along the trail today and this is the first one I've noticed on my weekly walks of this trail this season.


1 Comments Comments Icon

  1. A1JaipurFlowers - Jaipur, Rajasthan
    February 07, 2013 at 12:31

    very very lovely...


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Low intensity fire in Yosemite

Natural fires in Yosemite are often no more than a single burning snag (standing dead tree) or a slow moving, low intensity fire that cleans underbrush from the forest floor. These fires prevent unwanted fires by removing accumulating forest debris that can fuel a larger fire in hot, dry conditions.