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Glow-worms |
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Noodles
Senior Member Joined: 05 Dec 2010 Location: United Kingdom Status: Offline Points: 534 |
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Posted: 08 Mar 2012 at 10:53am |
If you're flipping reptile mats/tins this spring keep an eye out for Glow-worm larvae. They turn up pretty frequently and in some surprisingly acidic conditions. I see most of mine under mats in early spring, around about now in fact.
Rather aptly perhaps, i would suggest that Glow-worm habitat is likely to be indicative of good Slow-worm habitat (and possibly other herps too) and probably vice verse. Worthy places to survey if one were inclined to check through the entomological records (and don't forget the Barn Owl sites; highly popular, visible and well recorded indicator species of rough and undisturbed grassland habitats i submit!). Here's a photo of a mature larva found last year, they come in a variety of different sizes depending on their growth phase and if you cup one in your hands the rear underside will glow! Piss easy to id too, superficially similar to Ladybird and other such beetle larvae but with a very flat back, orange detailed body segments and of course that diagnostic glowing yellow arse! Fantasic things! Send your records in, they are vastly under-recorded.
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Suzy
Senior Member Joined: 06 Apr 2005 Location: United Kingdom Status: Offline Points: 1447 |
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I did a study of glow worms on an East Devon Heath over many years - logged numbers, veg types, management techniques on Heath etc. I concluded that glow worms and adders liked to bask in the same spots. It is hard to pinpoint why some years are good and some poor for glow worms as the reasons might lie a few years back. Cutting the vegetation back along fire breaks/rides at the wrong time of year and letting it lie in thick wedges is tough on them and cattle tramping and mucking on grass edges of rides is very bad for them, in fact has wiped them out from one area where they were plentiful. Scraping is a killer too. Sad really as I see a little colony and then next visit it's wiped out by some management event.
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Suz
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Noodles
Senior Member Joined: 05 Dec 2010 Location: United Kingdom Status: Offline Points: 534 |
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It's amazing how many animals actually end up occupying the same areas of habitat simply due to the shelter/sun exposure factor. After a while it becomes second nature for one to identify such areas quickly. I reckon i could predict the presence of a harvest mouse nest in any area of field margin purely down to this self-cultivated recognition process.
Cheers
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Liz Heard
Senior Member Joined: 27 Apr 2010 Location: South West Status: Offline Points: 1429 |
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great post Noods!
who doesnt love these entymological Eddystone lighthouses eh? when i lived in Stroud i used to often see them towpathside while wandering along the (sadly soon to be reopened to traffic) disused Thames and Severn Canal. they were like little runway lights guiding my inebriated feet clear of the water as i trudged home from the pub! what we need is more lampers/poachers ( ) recording. i bet they see them often. meantimes, yes, ill keep my eye out for the charismatic little suckers. charz |
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herpetologic2
Forum Coordinator Joined: 15 Jun 2004 Location: United Kingdom Status: Offline Points: 1511 |
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For many years have found these beetles under tin felt etc in various parts of the UKn Greece and Turkey
Thinking of an online form on the ARG UK website for such observations Regards
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sussexecology
Senior Member Joined: 30 Sep 2010 Location: United Kingdom Status: Offline Points: 411 |
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Yeap me too
We found a glow worm last year after completing a dusk emergence survey for bats. Was a very nice find indeed. It was sat on a bracken bush and all on it's own. Funnily enough, yes reptiles were present at this site with slow worm and grass snake. Would be very interested in finding out if glow worms are also present on all of our reptile sites. Would be worth looking into for sure. I know somewhere in East Sussex where you would be able to see loads of them all glowing at night. Sadly, these days there aren't any there, certainly not in that density. There is one heathland in Suffolk too where you would be able to see them, but been a very long time since last been there. The glowing at night is unmistakeable though Thanks Jon. that sounds interesting for sure and interested in that link that you were talking about on ARG. If we find any more glow worms this year, we'll let you/ARG know.
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JaySteel
Senior Member Joined: 07 May 2010 Location: United Kingdom Status: Offline Points: 157 |
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Interesting thread. I have recently learned that my local adder site that I monitor has glow worms. I've yet to see any but I will certainly be looking to photograph some this year.
Jason
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Noodles
Senior Member Joined: 05 Dec 2010 Location: United Kingdom Status: Offline Points: 534 |
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Sussex (and others), have a look on the squashed vegetation immediately under the mat or on the mat underside for larvae. You don't seem to have to look very hard and they seem to stand out from all the other bugs.
Thanks for all the other responses too. |
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Liz Heard
Senior Member Joined: 27 Apr 2010 Location: South West Status: Offline Points: 1429 |
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wotcher Noods! visited an Iron Age hillfort yesterday. under 1 rock there were a pair of "Old Stumpy" (except that 1 was a youngster) and under the next.... vivs were quite common too.. charz, Benno |
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JaySteel
Senior Member Joined: 07 May 2010 Location: United Kingdom Status: Offline Points: 157 |
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Thanks for posting that shot. I forgot that I'm looking out for them this year. They are definitely present on one site that I regularly visit so I'll post my shots in the summer when they emerge.
Jason
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