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Diptera.info :: Identification queries :: Other insects, spiders, etc.
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Pond Skater / Water Strider
Alandy7
#1 Print Post
Posted on 15-09-2017 22:38
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I am finding it very difficult to even start searching for info on this insect.
A friend suggested "Limnoporus rufoscutellatus" but was not really confident.
Can anyone help please.
photo taken in Shropshire, UK September.
Alandy7 attached the following image:


[144.89Kb]
Edited by Alandy7 on 15-09-2017 22:42
 
johnes81
#2 Print Post
Posted on 15-09-2017 23:00
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looks like Gerris to me. maybe Gerris argentatus
do you have a specimen?
John and Nini. Naturalists not experts.
 
Alandy7
#3 Print Post
Posted on 16-09-2017 09:15
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No specimen unfortunately.
 
johnes81
#4 Print Post
Posted on 16-09-2017 20:52
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I think it is a Gerris sp. The overall appearance matches Gerris better. I cannot go further without a specimen.
John and Nini. Naturalists not experts.
 
empeejay
#5 Print Post
Posted on 17-09-2017 20:29
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I would say Aquarius paludum is more likely, based on the relative proportions of the antennal segments and the pale lateral stripe on the pronotum.
 
atylotus
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Posted on 20-09-2017 09:54
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I agree with A. paludum. Typical long projections from the anal segment and macropterous.
atylotus attached the following image:


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Edited by atylotus on 20-09-2017 10:00
 
atylotus
#7 Print Post
Posted on 20-09-2017 13:39
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Huxley (2003) gives a distribution for this species in SE-England with records from Cambridgeshire, Essex, Bedfordshire, Herfortshire, Middlesex, Oxfordshire, Berkshire, Buckinghamshire, East- and West Sussex, North Hampshire, Surrey and West Kent. Although no records are shown for Shropshire, I don't think this species is new for this county. In The Netherlands A. paludum was very scarce 1-2 decades ago, but nowadays it is one of the commonest striders. This may also be the case in the UK. This map (https://species.n...0000527504) shows records from that area.
Edited by atylotus on 20-09-2017 13:40
 
atylotus
#8 Print Post
Posted on 20-09-2017 13:43
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A free distributionmap for the Netherlands is freely available on RG: https://www.resea...ationTitle and on request I can send you a Dutch key for the Dutch species of Aquatic Heteroptera.
 
Alandy7
#9 Print Post
Posted on 25-09-2017 15:23
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Thank you all for your suggestions, sorry not to have replied sooner, but my "Notify me of reply" did not show any
 
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