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October 06, 2011


Mister Allan

Hi there! Do you somehow check if the content of your domain is exclusive around the blogosphere and no one is using it without making sure you know about it?


The 98th Meridian pattern is interesting, I've been in Alberta 8 years without a chigger bite and without anyone coming to me to complain of one. Of course, we don't have much in the way of reptiles, and so lack their chiggers, but I have some records for mammal chiggers. Let me know if any of these look suss:

Euschoengastia camgi Brown & Brennan, 1952 – ex Richardson’s Ground Squirrel (Urocitellus richardsonii (Sabine, 1822)) (Brown & Brennan 1952)
Euschoengastia criceticola Brennan, 1948 – ex Peromyscus maniculatus osgoodi, Manyberries, AB (Brown & Brennan 1952)
Euschoengastia oregonensis (Ewing, 1929) – ex Richardson’s Ground Squirrel (Urocitellus richardsonii (Sabine, 1822)), Lomond, AB (Brown & Brennan 1952)
Euschoengastia sciuricola (Ewing, 1925) – ex Yellow Pine Chipmunk (Eutamias amoneus), Lake Louise, Saskatchewan River Crossing, Banff National Park, AB; Western Heather Vole (Phenacomys intermedius) , Banff National Park, AB (Brown & Brennan 1952)
Hyponeocula arenicola (Loomis, 1954) – (Brennan & Beck 1955 – as Trombicula)
Hyponeocula montanensis (Brennan, 1946) - ex Richardson’s Ground Squirrel (Urocitellus richardsonii (Sabine, 1822)), House Mouse (Mus musculus), Lomond, AB (Brown & Brennan 1952 – as Trombicula)
Leptotrombidium myotis (Ewing, 1929) – ex Peromyscus leucopus, Elkwater, Cypress Hills, AB (Brown & Brennan 1952 - as Trombicula)
Neotrombicula microti (Ewing, 1928) – ex Yellow Pine Chipmunk (Eutamias amoneus), Deer Mouse (Peromyscus maniculatus), Southern Red-backed Vole (Myodes gapperi), and Microtus sp. – widespread in AB (Edmonton, Lac la Biche, Faust) (Brown & Brennan 1952 – as Trombicula)
Trombicula sp. ex Richardson’s Ground Squirrel (Urocitellus richardsonii (Sabine, 1822)) Brooks, Irvine, AB (Brown & Brennan 1952)

Joe Cobb Crawford

Great article! Also enjoyed your interview with Caroline Clemmons. Didn't know that you, like me, were raised around chickens. Are chicken mites related to chiggar mites? Loved your quote in the interview: "Timing is the most important part of a rain dance." Lots of hidden wisdom in that quote.


Good luck finding a "feeder leg"! Although, come to think of it, I was a feeder arm for a mosquito study at MSU... there's no end to what broke grad students will do for cash!

Caroline Clemmons

My husband and I grew up in Lubbock and I didn't know what chiggers were. My poor husband is like a buffet for chiggers, though. All he has to do is set foot out of the car in East Texas and he is covered, poor dear. He uses a bleach bath and Campho-phenique as remedies. On the rare occasxions when I've had one, I use clear nail polish. Another experiment would be why they cover one person and not anther standing beside the first victim.

shirley white

Interessting post! I can't say for sure I ever actually SAW a chigger but am well acquainted with them. Can it be TOO hot and too dry for them? We had 90 days at or over 100o this year and drought conditions and I was not bothered by them this year.

Stehpen L. Brayton

I remember the first day this year when we started having classes outside I noticed hundreds of these small red things swarming over the bench I was going to use. One of my students told me they were chiggers. We moved to another location.


Well Dac, thanks a bunch (lol) I never thought about those critters, now ya go me thinkin augie


Well, I can't speak to tall grass or short grass, being as I'm from the coast and we just have marsh grass...but the dang chiggers seem to live in the sandy soil under the big live oaks! I spent a childhood scratching...

Marja McGraw

The only thing I have to worry about is mosquito bites. The little buggers seem to love me. I think I'll try to stay away from chiggers, too, just in case.

ira guy

I didn't know there was a chigger line as well as a gnat line. Does human life exist at the intersection?

kitti Reynolds

Such interesting information, DAC, people are always asking me questions about chiggers. Your post reminded me of a long ago canoe trip Lee and I did in Florida. sat on an old log to eat our lunch. That evening we were covered in chigger bites. We can laugh about it now, but we were miserable that night!

Elizabeth Chilson

Well... I am suspicious. I love mites!

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