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Diptera.info :: Identification queries :: Other insects, spiders, etc.
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Hitchhiker
Tony T
#1 Print Post
Posted on 03-05-2008 16:24
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Location: New Brunswick, Canada
Posts: 664
Joined: 08.02.07

Seems our NA Pseudoscorpions like to hitch rides on Heleomyzids.

SEE HERE

This guy clamped to a Heleomyzid leg -2 May 08, NB Canada. Body length: 3.6mm
Tony T attached the following image:


[134.1Kb]
 
Alvesgaspar
#2 Print Post
Posted on 03-05-2008 16:41
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Location: Lisbon, Portugal
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What about a Garypus beauvoisi (the only one in my book Wink)?

Joaquim Gaspar
 
Susan R Walter
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Posted on 03-05-2008 16:47
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Location: Touraine du Sud, central France
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Wow, its got little bristles on its claws!
Presumably the prediliction for Heleomyzids is that their habits mean they are in the right place at the right time. The pseudoscorpion probably doesn't care - this family of flies shares his space, so he takes the opportunity.
Susan
 
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jorgemotalmeida
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Posted on 03-05-2008 21:09
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Location: Viseu - PORTUGAL
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I had seen dozens of pseudoscorpions too. They are very cryptic. Even if you turn over the stone and in spite of they are on stone, sometimes you overlooked them! Frown
They do phoresy to spread better their population - I think.

I know the European expert which is my friend too. Smile I can ask him for possibilites in this one.
 
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Tony T
#5 Print Post
Posted on 03-05-2008 22:57
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Location: New Brunswick, Canada
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Thanks guys and gal. ID not critical, supposedly 350+ spp. in NAShock

I thought the claws at the end of the pediplaps were small but compared to
the claws on the chelicerae they are huge.
The chelicerae are 2-segmented pincers at the anterior end of the
cephalothorax (tip of the snout between the bases of the pediplaps in the
large image) consisting of a stout base with a sharp claw and an outside moveable 'finger'
The moveable 'finger' has an opening from the silk gland near its tip
Besides the spinning of silk the chelicerae are used to grasp and macerate food.

PHOTO HERE
Edited by Tony T on 05-05-2008 16:32
 
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23.06.25 18:10
If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

23.06.25 11:18
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

19.06.25 15:33
I have the hard copy book, if you have any specific queries, but I'm not scanning the 500+ pages!

02.06.25 18:26
Anyone has "Chironomidae of the Holarctic region. Keys and diagnoses. Part 3. Adult Males Entomologica Scandinavica Supplement 34"? smolwaarneming@gma
il.com

28.05.25 20:57
I have Russian Coenosia. nikita6510@ya.ru

28.05.25 12:25
Is someone able to share with me "A key to the Russian species of the genus Coenosia"?

08.05.25 18:22
I have

03.05.25 08:35
Does someone has a scan of Nartshuk E.P. 2003. Key to families of Diptera (Insecta) of the fauna of Russian and adjacent countries. Proceedings of the Zoological Institute Vol. 294: 1-252 for me?

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