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True Bugs, Cicadas, Hoppers, Aphids and Allies (Hemiptera)
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Aphalaroidinae
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Aphalaroida
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Aphalaroida spinifera
Photo#1333791
Copyright © 2017
Salvador Vitanza
Aphalaroida spinifera? -
Aphalaroida spinifera
-
Rio Rico, Santa Cruz County, Arizona, USA
January 22, 2017
Size: 2 mm
Caught sweeping a Mesquite tree.
Coordinates: 31.468124, -110.974281
Images of this individual:
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Contributed by
Salvador Vitanza
on 23 January, 2017 - 1:59pm
Last updated 23 January, 2017 - 10:00pm
Moved after Chris Mallory concluded:
Moved from
Aphalaroida
.
"Based on my interpretation of all of these characters I think spinifera is a pretty solid match."
…
Salvador Vitanza
, 23 January, 2017 - 10:00pm
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Moved
Moved from
Psylloidea
.
…
Salvador Vitanza
, 23 January, 2017 - 9:47pm
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Yes, I think so
A.
spinifera / rauca
seem to be very similar and quite difficult, having used to be treated as a single species. The forewing maculation definitely favors
rauca
as illustrated by Hodkinson, but as he notes this is an unreliable character. However, the pattern is not unlike that
illustrated by Crawford of
spinifera
in his original description. The forewing shape and venation, which are more reliable characters, are more in line with
spinifera
. The length of the glandular hairs too seems most consistent with
spinifera
, though nearly all of them are covered in a secretion that distorts their shape. The ones that aren't obscured, though, appear to be apically acute and not truncate, again consistent with
spinifera
. And the antenna length / head width ratio (taken from the ventral image) falls into the low end of the range listed for
spinifera
, and is slightly too high for
rauca
. This is all supported by the shape of the forceps which appear simple, parallel sided, and with apex as figured by Hodkinson.
Based on my interpretation of all of these characters I think
spinifera
is a pretty solid match. I think the "
A. pithelocobia
" currently on bugguide from Pinal County may be the same species, though I can't be sure.
…
Chris Mallory
, 23 January, 2017 - 9:36pm
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Your discussions on how
you arrive to your identifications are most informative.
Thank you Chris for educating me and others about these interesting and generally overlooked creatures.
…
Salvador Vitanza
, 23 January, 2017 - 9:45pm
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