I reached 774 species (12.9% of the challenge) by the 14th January, 372 of which are invertebrates (there's so much to see in mid winter). I had a great day out at Binstead Woods with James Chisnall last Saturday and then went on to Burton Pond for a couple of hours. On the 14th I went to Old Lodge with Matt Secombe, targeting a whole load of spiders and we got most of them!
First up though, it was a surprise to beat a Corizus hyoscyami off a pine! That's me on 43 species of hemipteroids (my target is 500 for the year).
One of the key targets was Micrommata virescens. This spider is identifiable as an immature if you know how to separate them from Tibellus! I flushed a Woodock just as I found this (still not seen a Greenfinch but I did finally unlock Sparrowhawk in the park when I was training this afternoon).
Nice to get the bog specialist shore bug, Chartoscirta cocksii. There is so much to be found at the base of mature tussocks of Purple Moor-grass in January.
Back to the spiders. So I am now on 129 arachnids for the year (or 25.8% of my 500 species target). This 129 includes 122 species of spider. Taranucnus setosus is pretty much guaranteed at Old Lodge in Molinia.
We found just one immature Raft Spider Dolomedes fimbriatus but you only need one for the list! I really need to start taking photos of people and landscapes to illustrate this challenge, or an future talks or articles I do on it are all going to have photos with grey backgrounds.
Like this one! Centromerus arcanus is really common in Sphagnum at Old Lodge. It has such an incredible distribution, check out the SRS page for it and you'll see why I think of Ashdown Forest as 'Sussex's upland'.Other spider targets all found included: Notioscopus sarcinatus, Hypselistes jacksoni, two male Theonoe minutissima (only the 2nd time I have recorded it there) and a bonus Thanatus striatus (which is new to Old Lodge)! It was a four species of Walckenaeria day too! I love it when you show stuff to someone and they keep saying 2 "I have wanted to see that for ages!" And any day you get to shove a Garlic Snail up someone's nose for the first time is a good day.
Matt found this Cychrus caraboides under a rock. I so very rarely see this big beetle, in fact it is only my 9th record in 17 years of beetling! I am on 94 beetles for the year, that's 7.8% of my 1,200 species target for beetles. Gulp.
And now the exciting find of the survey, vacuumed from a bog I have surveyed many times before, a couple of these small narrow beetles. It's Corticaria umbilicata, very obviously long and narrow. Last recorded in Sussex from Broadwater Warren in 1985 and not recorded since. It's not only new to Old Lodge but to any SWT reserve. These sort of records are important at demonstrating how worthwhile challenges like this are, every time I go to one of these reserves I find something new.
A huge thanks to everyone has donated to the
Just Giving page so far, and please do consider donating something at some point throughout the year. It's all going to help the management of the Trust's reserves.
If you want to take part in pan-species listing, you can sign up for free here!
Off to Ebernoe Common for a big day out tomorrow. Watch this space!
It's took quite some effort to race through the remaining specimens and get the data into a useful format, though here we are. First off, all the photos in the post (unless I state otherwise) are Dave's that he took with his phone (like this stonking Stenocorus meridianus on Wood Spurge at Hoyle). They are far better (and more numerous) than the few I took on the day.
Before I start, a massive thanks to everyone who donated. We raised an incredible £2680! You can still donate here.
First off, the overall total for the challenge was 1072 species found, recorded and identified on the day. Just 37 species more than we managed in 2017. However, with the specimens I took, that figure rose to 1158 species. Pretty pleased with that. The total number of invertebrates found and identified on the day was 555 species, rising to 622 with all the identifications added. Here's how are totals compared to 2017 and what they looked like after the identifications made post 25th May were added. I was surprised we had such lower plant totals but we really did well on spiders and beetles.
Our route went: Burton Pond, Graffham Common, Hoyle Farm, Levin Down, Rewell Wood, Climping Dunes, Peppering Farm and then back to Dave's. Singleton and Charlton were also pretty good!
Burton Pond
I'll put the full species list at the end but for now, some highlights. First up, Burton Pond. We spend the first seven hours at this very diverse site on the Greensand Ridge. I was pleased to find that we recorded 73 species of invertebrate there that had not been recorded there before, including five species never recorded on a Trust reserve before. Such as this Nationally Scarce sapro, Prionychus melanarius I found under bark in the Warren.
We set the moth traps up and turned them on at exactly midnight, with one minute to spare! We then got onto beating, sweeping and suctioning before the dew started. I am not good on very little sleep and spent the first two hours trying to overcome an intense sense of impending doom. Then the Moon came up and it started to get pretty cold - but it was really weird being out so long that we watched the Moon go back down again. We did get a few good moths though, including 15 species new to the site. Surprising for such a small moth list and a well-recorded site!
Bird's Wing was indeed new to the site and Dave got excited by it!
A Privet Hawk-moth scared the bejesus out of us!
While we got a few larvae as well, including a couple I have not come across before. This is Dingy Footman.
And this two-tone fluffkin is actually a Rosy Footman!
Nightjars were all over Burton, which really surprised me. Over the day we got to 77 bird species, which I think is pretty good as we did not chase a single bird. We didn't however see a Kestrel, Little Egret or Bullfinch (the Great White Egret we had over Welch's Common on the reccy was a big ask to see on the day). I think I got about 10 lifers (which has helped get my personal pan-species list to 9000 species, wahoo!), mostly through the specimens but this gelechid was common at light there. It's Carpatolechia proximella.
We left Burton after a glorious sunrise to head to Graffham Common. Great photo, Dave!
Graffham Common
For some reason, we didn't take any photos at all at Graffham. It was oddly quiet there. Uloborus walckenaerius was in the first sweep net and we soon heard Hobby, Siskin, Crossbill and Garden Warbler. We still got 12 species new to the site, including (and this really surprises me) Lesser Cockroach - which was new to the Trust reserve network. I am sure it must have been reported from Rye Harbour?
Hoyle Farm
We got to Hoyle shortly after 9.00 am. I first surveyed this site last year and my third visit of the survey produced the most field dets I have ever had (297 inverts in just six hours of recording back in August last year). So we had to visit it. It did not disappoint. After a slow start at Graffham Common, it soon felt like we might make the 1500 species after 2.5 hours at Hoyle. Despite recording 621 species over three days last year, we still recorded 50 species on Saturday that I did not pick up last year. A highlight for me was this Pilemostoma fastusoa (Nationally Rare and Near Threatened) this species is not that uncommon on Common Fleabane in the West Weald. In fact, we had five species of tortoise beetle in an hour. So have a Nationally Scarce Cassida prasina too! These are my only photos here, my lens looks scratched compared to how bright Dave's phone shots are.
I was explaining to Dave my rule that if I see something, I have to sample it. I saw a big stand of Blackthorn and tapped it. Out popped a Brown Hairstreak! It's not every day you see this Vulnerable, Section 41 butterfly and it made up for the lack of any Purple Hairstreak larva.
We got into the woods there which were also really great, including large charismatic species such as the longhorn at the top and this Chrysomela populi on Aspen.
A massive thanks to Bianca for hosting us and a providing coffee and nuts! I'm glad we were able to find so many new species for the site, including some really key invertebrates.
Levin Down (via Singleton and Charlton)
It got very hot between 1 and 2 pm and I started feeling a bit unwell in the sun. But I ploughed on. Obviously we added a lot of new plants but the inverts were not coming through as thick and fast as we would have liked.
We did get a few nice spiders though. Including the Nationally Rare/Vulnerable Trichoncus saxicola, at its only Sussex site. Entelecara flavipes (another Nationally Scarce money spider) was new to the whole reserve network. Butterflies were good, with Grizzled Skipper, Dingy Skipper and Small Blue added here (we had 15 butterflies on the day!). This ball of Common Blues in mating frenzy was something!
A few nice bees too but they were not new to the site, Stelis ornatula, Andrena florea, Ceratina cyanea and Osmia bicolor were all nice and easy to ID species (although I didn't spot the Ceratina in the field). However, the super rare stonefly Nemoura lacustris that I found in the specimens was a lifer and another species new to the reserve network. On the NBN, there is a cluster of records around Charlton would you believe it. I guess it must be a chalk stream thing! What a result. I am so pleased we added 24 species to the Levin site list. In fact, between the three Trust sites we surveyed, 109 were new site records and a whopping NINE species had never been recorded on any Trust reserves.
This site really didn't pay off for some reason (two many species already picked up on similar soils maybe) and it went from being swelteringly hot to cool in the blink of an eye. A Pearl-bordered Fritillary was a target but the Cream-spot Tiger netted in flight was a highlight. It was at Rewell that it dawned on us that we were not going to make the 1500 species.
Climping Dunes It was quite cold by the time we got to Climping, so many of the species I found on the reccy could not be refound. The plants were great though. And Sand Catchfly was a highlight for the whole day. There were a few nice inverts like Grey Bush-cricket, Dune Robberfly and Acrosathe annulata.
And the days only fish...a Small-potted Catshark.
And then back to Dave's for more moth-trapping and microscope work. It wasn't long before this Pygmy Shrew paid us a visit!
Although the first moth trapping at Burton was quiet, the trap was quite lively with an Alder Kitten a rare encounter for me. The last species of the day was this Great Silver Water Beetle. I was sat at the microscope for 2.5 hours but probably only added about 40 species. It was much harder doing this tired in someone else's house than I expected. In fact, it took about 15 hours to process all the specimens, and they only added about 150 species. So, for the 24 hour challenge, I actually think you are better not taking specimens. From a records point of view though, many of the best records came out of this lot.
So that's it! Here's us at about 7.00 am. We did not look like that by the second midnight! So before I finish with the entire species list, it's so long until the next time we are crazy enough to try something like this again.
Oh, one last thing. Out of the 622 inverts we recorded on the day, a whopping 58 had some form of conservation status (such species are included in bold in the following list). Many of these are now out of date but I have not had time to differentiate these. Also, this list is the full 1158 species and includes the 86 microscope IDs added after the challenge, I'll try and update it if I get time but a period of high pressure means I will be head down with work for days/weeks now.
So, we didn't get to 1500 species as hoped. In fact, we were considerably short of it. We got to 1,069 species (expect this number to change a bit as I process the data, I suspect it might go up a little actually but not by much). Now this is more than we achieved in 2017 but not by much and interestingly in 2017 we got to 1,000 species way before we did this time (in 2017, species 1,000 was Drilus flavescens at around 19:30 at Levin, while on Saturday it was Rosy Footman at 22:00!). Despite seven years more experience, better planning and better health (hay fever and bad knees didn't scupper us this time), we struggled at times to build up that big list of inverts we had hoped for.
The same view as above obscured by two dodgy-looking Homo sapiens (species no 1).
Firstly, it wasn't for want of trying - the whole thing was a mixture of incredible highs and a few lows. We did not stop for the whole 24 hours. Getting up at 22:45 with just four hours sleep was brutal. Then hearing Nightjars, Field Crickets, Woodlarks and Nightingales all around Burton and watching the sunrise there was just wonderful. Feeling feint on Levin was really nasty but seeing the huge diversity of wildlife at Hoyle Farm was a site to behold. From species 2 at 00:00 being Field Cricket through to the final species at 23:59 being Great Silver Water Beetle at light, we did not stop for the whole 24 hours except to drive between sites and eat.
Several things didn't line up for us. Despite great weather in the day, between 02:00 and 8:00 it got very cold, and the dew was so heavy at Burton Pond it made sampling then impossible. It's not been a great season for moths either, so the first moth traps at Burton, were very light on moths. We also had a couple of sites that didn't produce as many species as we had hoped and finally, by 17:00 the sun went in and it got very cold again. It's also a lot harder to identify species at the microscope when you are tired out of your mind than I was expecting! And collecting specimens takes time too, which must eat into this. Game theory is quite key to this challenge and some things that you think will work in your favour don't necessarily pay off. However, all of these specimens will be identified (probably this week looking at the weather). And I will include them when I write a more detailed blog later this week.
I have entered nearly half the data so far and a few early stats include 109 species of spider, 15 species of butterfly (including this lovely Brown Hairstreak larva at Hoyle Farm) and and 146 beetles. I was hoping for something like 400 beetles and 200 spiders, clearly I was wrong to aim so high. Is 1,000 inverts possible in day? I think so easily but maybe if you are only doing inverts. Not sure how many plants we have but the Sand Catchfly at Climping was a highlight for Dave.
And finally, the really amazing thing is how much people have donated! We have raised £2284 for Sussex Wildlife's Trust reserve management! A huge thanks to everyone who donated, especially to the Pebble Trust, Edward Norfolk and Charlie Burrell for their incredibly generous donations. You can still donate here on the Just Giving page. Anyways, watch this space for a full write up later this week.
Before I found myself sucked into the inescapable gravitational pull of Black Hole at Burton Pond, I headed to Iping Common to MAX OUT ON MY SPIDER YEAR LIST! There, I've said it. I'm year-listing spiders again apparently. Anyway yesterday was awesome. From Iping and Burton I recorded 65 species of spider which from mid winter on a frosty day I think is pretty smart. I got TWO lifers out of it. Neither were from Iping. Iping was great for some big impressive spiders I would normally expect to see in autumn, such as an adult Ero tuberculata above (looks like another new record for January). This adult female Agroeca proxima.
Other charismatic mega fauna included Marpissa muscosa.
Nuctenea umbratica. I don't think I have ever noticed their weird eye arrangement before.
Clubiona corticalis with the above two on the same tree.
And a Cream-streaked Ladybird just to keep my eye in with the beetles.
I had collected tons of linys which it turned out were going to be mostly unexciting species. The Sphagnum areas at Iping were yielding nothing so by about 1.30 pm I found myself sucked into the Black Hole at Burton Pond.
A year on I was very much aware how much my spider field craft, especially with money spiders, had moved on. I was ticking off things such a Sintula corniger, Taranuncus setosus, even female Notioscopus sarcinatus (I did check these). In addition immature Theridiosoma gemmosum and Rugathodes instabilis. Black Hole really is a gem and recent work that Jane Willmott has done there is clearly having a great benefit to the site by keeping it more open. An an adult Platnickina tincta was a bit of a surprise too.
Oh and Demetrias monostigma. If you are finding this beetle, you are on a good site for spiders. And beetles. I only ever see it in old Greater Tussock-sedge and Marram tussocks.
It wasn't until I got home though that I realised I had found something rather good.
Here is Centromerus brevivulvatus. Last seen in the UK in West Sussex in 1998 by Dick Jones at Durford Heath. It's Endangered and Nationally Rare. Only ever known from seven 10 km squares, four of which are in Sussex. Interestingly one of these is Iping Common where it was last seen in 1969. This record though is an entirely new 10 km square making eight 10 km squares, five of which are in Sussex! Oddly only this week I assessed this species as a 'Sussex rare species' and thought to myself "I should get out there and have a look at Durford Heath."
Have a look at the SRS page for it
here. Here is the map. Look at all those 'x's.
The singularity that is the Black Hole opened up an Einstein-Rosen Bridge to 1998. What was I doing then? This:
I didn't know anything about spiders then, but I did look a lot more like a spider than I do now. I'd have been half way through my astrophysics degree at Sussex Uni at this point (that's not the name of a hipster ale by the way {hipsters didn't exist then} - in the above image I am halfway through a pint of Hoegaarden).
Anyway, back to Black Hole. One of the next spiders I looked at I only recently ticked off up north. I was amazed to find a male Aphileta misera. This seems to be a species new to West Sussex, the last Sussex record from Ashdown Forest was in 1970. So where was I in 1970? Well I was an unconstituted smear of matter across the Staffordshire landscape, with smaller clusters peppered around the world depending on where my mother's food would come from some seven years later. Some of my carbon might even have been sequestered by spiders at that point, probably the bits that would one day make up my neurons. We have all been there!
And also new for me was Diplocephalus permixtus. A species I was expecting to see up north. Turns out this is the first West Sussex record since 1944 and Sussex record since 1999.
Now I did quite a bit of recording at both these sites last year and it really does go to show how important repeat visits are. With just shy of 10% of the UK fauna seen in a single day I will not be doing any recording now until next weekend.
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