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Home » Guide » Arthropods (Arthropoda) » Arachnids (Arachnida) » Mites and Ticks (Acari) » Parasitiformes » Ticks (Ixodida) » Hard Ticks (Ixodidae) » Dermacentor

Photo#169965

Copyright © 2008 Algidus

Tick - Dermacentor

Cache National Forest, Cache County, Utah, USA
February 9, 2008
Size: 1.1 CM long

I was following a mule deer trail in snow about a foot deep. I found this tick melted down about an inch into the snow surrounded by a patch of scattered single hairs. I had to brighten the image to get the plate to show, but the small thread crossing over the plate is tissue. Its mouth is full of it. Is this is Dermacentor andersoni, Dermacentor variabilis or something else? Thanks.

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Contributed by Algidus on 17 February, 2008 - 11:39am
Last updated 25 February, 2008 - 4:06pm

D. andersoni

I think it's D. andersoni.

… Jon Oliver, 4 August, 2008 - 8:14pm

You're right

This is an engorged female of the genus Dermacentor. Based on your location, I would guess it is D. andersoni. If you post a close-up picture of a spiracular plate (located on the sides posterior to the legs), I could ID this to species.

… Jon Oliver, 18 February, 2008 - 9:37am

Got it!

Clear enough for an ID?

… Algidus, 26 February, 2008 - 7:05pm

Okay

I preserved this one so I'll try to get a shot of that plate. Thanks

… Algidus, 23 February, 2008 - 6:54pm

Engorged Tick

I find these much harder to ID than regular size ticks. Sorry, I can't offer any suggestions.

… Lynette Schimming, 17 February, 2008 - 2:42pm

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