Showing posts with label Riffle bug. Show all posts
Showing posts with label Riffle bug. Show all posts

Saturday, 25 March 2023

Threlkeld Mining Museum

 


It's been a while since the last blog post, mainly due to the poor weather, but we have managed to make one excursion: to the Threkeld Mining Museum (I take you to all the best places). Unfortunately, despite the website saying it was open, it wasn't. Still, if you're up for a little tramping around in the cold Cumbrian drizzle, here it is.




More like a machinery mausoleum than a mining museum,” Ishbel observed, as we tried to avoid the suspiciously grey puddles. A raven forlornly cronked his agreement overhead. Even so, there was a certain contrapuntal beauty between the gaudy, angular leviathans, and the muted natural colours, and contours, of the landscape.




There were, however, signs of spring arriving. Amongst the leafless trees, the willows were in full bud, and in one of the cleaner ditches, the pool frogs had spawned.




And, joy of joys, the first adult insects of the year have emerged. A pair of water crickets. These are in the family Veliidae (the riffle bugs) and are closely related to the Gerridae (water striders). The differences are mainly internal and must have been discovered in the 20th century as my 1896 Cassell's Natural History doesn't mention them.



Meanwhile, there are strange goings-on, going on across the river from the Old Cornmill (where I live). Fearing a new housing estate, I made enquiries. But no, it is an archaeological dig. I am lucky enough to live on the outskirts of the old Roman settlement of Derventio and history, being a relatively new interest of mine, is literally on my doorstep. I'll let you know what they dig up.



Talking of things historical, my little on-line shop is still growing nicely with just short of a hundred items on the shelves at any one time. Come in and have a browse. Steve's Vintage Collectables.




Last time, I mentioned that my new novel, The MONOM (The Magic of Nature of Magic) is now available as a paperback and an ebook. I suppose it would have helped if I'd included the link! Here it is. 
https://www.amazon.com/stores/Steve-Daniels/author/B081Z8FNK5



(And as the insects are now beginning to appear, it's a good time to get a copy of The Quick Guide To Creepy-Crawlies which you'll find on the same page). 

All the best,


Steve


Follow me on Steve's Nature Plus

and also on Twitter Steve's Nature, Facebook Steve Daniels Naturalistsand Instagram

Steve Daniels Cumbria







Wednesday, 8 March 2017

The Milonas Waterfall of Crete

Cyclamen creticus, Anacamptis collina, Fumana arabica
We seem to have emerged from the woods unscathed and the waterfall now lies directly ahead of us. We’ve had to take quite a detour to get around those imposing cliffs but it should be quite a gentle stroll today (famous last words) with plenty of opportunities to look about us. Let’s start with a few flowers that are heralding the arrival of spring later this month. In the shade of the rocks among the pine litter we have the white nodding heads of the Cretan Sowbread which is a type of Cyclamen; the yellow Fumana, a type of rock rose which we saw budding a few weeks back, is now in full flower; and our first orchid of the season: The Fan Lipped Orchid. 

Lucilia ceasar visiting Euphorbia dendroides
Many flowers have lovely scents to attract insect pollinators which we greatly appreciate but some, like this tree spurge here, have a pungent odour which we find somewhat off-putting. Some people have likened it to a decomposing corpse. Fortunately I have never had the experience of smelling a three day dead body so I can neither confirm nor deny but it certainly seems to be attracting these Greenbottles. Not everybody’s favourite insect but they’re quite beautiful when you look at them closely and useful too. Not only do they help to cleanse the planet of rotting bodies but their maggots (which feed on dead animal tissue) have been, and still are, used medically in maggot therapy. They are dropped into a wound such as an ulcer where they not only remove all the dead tissue but also secrete antimicrobial fluids that sterilise the wound.

Cicindela campestris mating
Have you noticed these little green beetles scurrying around on the sandy ground? They’re Tiger Beetles, so called because of their predatory nature. Notice the way that they sprint and stop in a series of jerky runs. This is because they run too fast to see where they’re going and they have to stop and visually reorient themselves. They hold their antennae straight out in front of them to stop them bumping into things. There’s a pair mating here look (in graphic detail if you look closely). I hope he wasn’t running at full tilt when he commenced – the female would have got the shock of her life.

Chalcides ocellata, Rumina decollata, Julidae family
We’re nearly there now and I see that we’re into stone flipping territory so let’s see if anyone is at home. Now here’s a strange group of bedfellows. An Ocellated skink, still hibernating by the way he’s remaining immobile and blinking at me sleepily, three Decollate snails and a Julid millipede. I say odd bedfellows because a skink’s diet generally includes snails and millipedes although I believe that this particular species prefers spiders and beetles. I wonder if the snails and millipede know that? It still seems like us cuddling up to a hibernating bear but nature is full of surprises.

Veliidae family




Well, here it is at last, the Milonas Waterfall, at 40m vertical drop it is the highest streaming waterfall in Crete. There’s a lovely pool here at the base that looks ripe for a bit of pond dipping so let’s go for a paddle. That’s rather refreshing isn’t it? We seem to have some small bugs swimming on the surface that may be worth a closer look. They’re rather quick and not easy to photograph but the body shape and size, the fact that they’re not doing the backstroke and the plated appearance of the abdomen make me think that they are Riffle Bugs. These are small predatory water striders typical of this sort of habitat but I’m not 100% sure. What do you think?




The Extra Bit

You know, that pool does look rather inviting, did you bring a towel? Come on then. Let’s go for a dip. Don’t be a sissy, the snow’s melted and there’s not even any ice on the surface.

Time for a dip (short video):  https://youtu.be/RUybOxhLqRg 

Recent Posts