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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » True Bugs, Cicadas, Hoppers, Aphids and Allies (Hemiptera) » Plant-parasitic Hemipterans (Sternorrhyncha) » Aphidoidea » Aphids (Aphididae) » Uroleucon » Brown Ambrosia Aphid (Uroleucon ambrosiae)
Photo#122250
Brown Ambrosia Aphids - Uroleucon ambrosiae
Copyright © 2007 Stephen Luk

Brown Ambrosia Aphids - Uroleucon ambrosiae
Richmond Hill, York Region, Ontario, Canada
June 24, 2007
Size: Largest 3 mm
On Solidago growing in gravel pit. The population on that plant was very large at the time of photography. The past few days have been like a drought. Temperatures hit over 95°F as the humidity went up, today being the worst. I returned to find fewer than three dozen individuals remaining - mostly juveniles. A Syrphid larva which was previously on-scene (obviously to feed on the aphids) is currently MIA.
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Contributed by Stephen Luk on 27 June, 2007 - 9:24pm

The Birth of an Aphid...
Note the large female aphid birthing a female nymph that will shortly do the same...
… Mike Quinn, 29 June, 2007 - 8:39pm login or register to post comments

 
Thanks for the note, I forgot to mention that.
The propagation of these creatures is quite astounding indeed. This was the better of two images that I took. The first one showed the emerging nymph "still wet", with its legs and antennae tucked to its body.
By the way, at what instar/size do the progeny begin to have their own young?
… Stephen Luk, 29 June, 2007 - 8:53pm login or register to post comments

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