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Dicyphus hesperus
Photo#118622
Copyright © 2007
Peter Bryant
Mirid -
Dicyphus hesperus
Laguna Beach, Orange County, California, USA
June 16, 2007
Size: 4.5mm BL
On wild rose
Images of this individual:
tag all
Contributed by
Peter Bryant
on 16 June, 2007 - 1:23pm
Last updated 10 July, 2009 - 8:58am
Moved
Moved from
Dicyphus
.
…
tom murray
, 20 December, 2008 - 6:54pm
Dicyphus Hesperus...
Now, i believe...
…
WonGun Kim
, 20 December, 2008 - 2:53am
Thanks!
Thanks!
…
Peter Bryant
, 20 December, 2008 - 8:32am
Although it is somewhat rough, it looks like D. hesperus.
Referring to
Cassis
, it looks like Subgenus
Uhlerella
of Genus
Dicyphus
. Among the species in this subgenus,
hesperus
and
paddocki
occur in west North America including CA.
According to the key given by
Knight, 1968
,
D. hesperus
and
D. paddocki
are distinguished by the color of the first antennal segment. The first antennal segment of
D. hesperus
is "black, not paler on middle," while that of
D. paddocki
is "pallid on middle, reddish black on base and apex." Furthermore,
D. hesperus
has a "head black, neck behind vertex with a pair of pallid spots, separated on mdeia line by blackish."
However, please note that narrowing down of this bug into the subgenus level is based only on the structures of head and pronotum, and it has a possibility to be incorrect.
See a googled image
http://archimede.bibl.ulaval.ca/archimede/files/4ee0acbe-a906-4104-9589-3ee49c48d09b/ch01.html
…
WonGun Kim
, 16 December, 2008 - 11:25pm
Moved
Moved from
Plant Bugs
.
…
tom murray
, 6 July, 2008 - 10:45am
Moved
Moved from
True Bugs
.
…
Brad Barnd
, 27 June, 2007 - 10:59pm