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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Mites and Ticks (Acari) » Parasitiformes » Mesostigs (Mesostigmata) » Sejina » Sejidae » Adenosejus
Photo#1638905
Mite - Adenosejus
Copyright © 2019 Sym P. le

Mite - Adenosejus
Chilliwack, British Columbia, Canada
May 19, 2018
Frontal mouthpart views https://www.flickr.com/photos/60839073@N04/51918439789/in/dateposted/

Images of this individual: tag all
Mite - Adenosejus Mite - Adenosejus Mite - Adenosejus Mite - Adenosejus
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Contributed by Sym P. le on 26 February, 2019 - 9:01pm
Last updated 4 March, 2022 - 4:24pm

Moved
Moved from Mites and Ticks.
… John F. Carr, 28 March, 2019 - 6:58pm login or register to post comments

Mesostigmata: Sejidae
Good one! There is only one other sejid record in Bugguide (https://bugguide.net/node/view/1021199/bgimage). Based on the apparent lack of seta-bearing protuberances ('horns') at the terminal end of the body, this may be Adenosejus,but I can't tell if the diagnostic large gland openings are present on the posterodorsal sclerite.
… Heather Proctor, 2 March, 2019 - 12:57pm login or register to post comments

 
Numerous large gland openings
Thanks! I can confirm that there are numerous large gland openings that are not prominently displayed in these few images. I cannot pretend to properly name the surfaces upon which they are located, but simply put, four on top, two on the rear and two laterally. Having said that, with limited depth of field, it's hard to determine what is a gland and what is the base of a setae by a single image so I have to be careful to compare numerous images. I do have more images (far to many) and will process them as time permits.
… Sym P. le, 4 March, 2019 - 12:44pm login or register to post comments

 
gland openings
The ones in question would be a very large pair on the most posterior of the dorsal shields.
… Heather Proctor, 5 March, 2019 - 12:52pm login or register to post comments

 
Gland openings
I posted another image. I have many more if they are useful.
… Sym P. le, 5 March, 2019 - 3:24pm login or register to post comments

 
Dave Walter's opinion
I showed the photos to Dave Walter, and he says "Looks like a female Adenosejus cf. krantzi to me."
… Heather Proctor, 3 March, 2019 - 11:16am login or register to post comments

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