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Obscure Plant Bug (Plagiognathus obscurus)
Photo#953563
Copyright © 2014
John Rosenfeld
Plant Bug -
Plagiognathus obscurus
-
Allison Park, Allegheny County, Pennsylvania, USA
June 20, 2014
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Contributed by
John Rosenfeld
on 9 July, 2014 - 8:37am
Last updated 17 June, 2016 - 10:59pm
Plagiognathus obscurus Uhler, female
Moved from
Plagiognathus
. ID'd from specimen, now a photo-voucher. Thanks John.
Pretty sure it is this species, unless perhaps it could have come from a birch (Betula sp.).
…
Brad Barnd
, 17 June, 2016 - 10:02pm
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I do have birch here
so it's possible. They seem to be one of the few deciduous trees that deer don't eat so there are lots of saplings.
…
John Rosenfeld
, 17 June, 2016 - 10:36pm
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so there is another possibility
P. parshleyi (Knight) looks similar but feeds on Betulus & Alnus. It has a quadrate spot very similar to your specimen. Also would have "some flattened, weakly scalelike, silvery setae" on the dorsum, especially the pronotum (as opposed to only shining golden, simple setae in P. obscurus)
(
1
)
. I don't see silvery setae, so it more likely the more commonly seen P. obscurus, which is taken on a variety of annual, weedy plants.
But if you find this again, and it is on birch, I will have to reconsider. :)
…
Brad Barnd
, 17 June, 2016 - 10:52pm
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Moved
Moved from
Plant Bugs
.
…
WonGun Kim
, 11 July, 2014 - 3:18am
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