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Pacific Coast Tick (Dermacentor occidentalis)
Photo#514742
Copyright © 2011
Timothy Boomer
Tick -
Dermacentor occidentalis
Effie Yeaw/Carmichael, Sacramento County, California, USA
April 1, 2011
Looks like a dermacentor sp. to me. Confirmations or further IDs would be greatly appreciated.
Images of this individual:
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Contributed by
Timothy Boomer
on 11 May, 2011 - 4:43pm
Last updated 14 May, 2011 - 2:39pm
Dead & moldy... yet guideworthy
Moved from
ID Request
.
…
v belov
, 14 May, 2011 - 2:39pm
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Dead, moldy tick
Based on the coloration of the scutum and, the pearlescent coloration of the forelegs, and the length of the cornua, I'm leaning toward D. occidentalis. A shot of the spiracular plate or a different angle on the basis capitulum, could further confirm this ID.
Seasonality also supports D. occidentalis which is found in Sacramento Co. Nov. - June. D. variabilis is found May - August.
…
Jon Oliver
, 12 May, 2011 - 10:01am
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Thanks for all the helpful in
Thanks for all the helpful info. Unfortunately, this is the only view I have, but D. occidentalis sounds like a very logical choice to me. Are you sure she's dead? Her forelegs moved to several different positions while I was setting up my equipment.
…
Timothy Boomer
, 12 May, 2011 - 3:49pm
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Or alive...
Well, if she moved, I suppose she must be alive. I was just basing it off what appears to be fungal hyphae on the legs on the left side of the picture and the odd foreleg position that I have seen sometimes in dead ticks.
…
Jon Oliver
, 12 May, 2011 - 3:55pm
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female Dermacentor, yes
nice pics. There are a couple west coast species, and a view of the spiracular plate would aid in a specied-level ID.
…
Blaine Mathison
, 11 May, 2011 - 5:17pm
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