Monday, June 26, 2017

Case of the Week 450

This week's case is generously donated by Dr. Kamran Kadkhoda. This little arthropod was discovered in Manitoba, Canada. Identification?


13 comments:

Paul Southern said...

Rocky Mountain wood tick? (Dermacentor anderson)

Jon said...

Female Dermacentor variabilis based on the spiracular plates.

adebiyi said...

the soft brown rocky mountain tick. an ectoparasite

Suzanne Shepherd said...

common dog tick or wood tick (Dermacentor variabilis)

Anonymous said...

Very nice pictures of female Dermacentor. Very short mouth parts, palpi and basicapitulum with no lateral projections, no anal groove visible. Smaller scutum.
Florida Fan

William Sears said...

Female Dermacentor sp.

Wolfman said...

Female Dermacenter variabilis. No anal groove, dark mark on spiracular plates, and distribution east of the Rocky Mountains.

Anonymous said...

Dermacentor spp

Ellen said...

D. variabilis based on size of goblets in spiracular plate (great photo). These are grainy and those of D. andersoni resemble Cheerios. Also, based on distribution of the 2 species as described in Dergousoff et al. 2015.

gifts for mom said...

This is so creepy parasites. it is Smaller arthropod.

sena nabila said...

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Oh my goodness

I found this Shoretel Vendor said...

I thought it's a cockroach but the legs are alike to spider's.