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A large individual conveniently hiding under a piece of terracotta pot that I left of for them! Frans is speculating that there may be two distinct groups; Group 1 where abd.6 in adults is pale, and Group 2 where abd.6 in adults is dark. This is a mature (~1.35 mm) Group 2 individual. The presence of a sub-anal appendage (SAA) shows it to be a female. It had been thought (not sure how this arose) that the red-backed individuals where invariably male. Definitely not the case.
[Part of a garden survey of the "novel" springtail Katiannidae Genus nov.1 sp. nov. that I'm doing for FransJanssens@www.collembola.org to establish the size and differences between the various instars.
Canon MP-E65mm Macro (at 5x) + 1.4x tele-extender + 25mm extension tube + diffused MT24-EX Twinlite flash. Cropped.]
This is another shot of the globular springtail that I posted earlier. I had assumed that it was Katiannidae Genus nov.2. Frans asked for a dorsal shot to exclude Katianna nr schotti, but this is the nearest to a dorsal shot that I got.
Any use Frans and what are the differentiating features?
Happy New Year to All.
On a leaf in the garden. Springtails can survive the cold so this is a subject to photograph after the insects have gone for the winter.
Springtail portrait
The fluorescence of the "skin" works as backlight for the scales, thus their structure is emphasized.
Mitutoyo 20 NA 0.42, tube lense: ITL200 (Nikon)
Illumination: backlight and UV (365nm)
left : Bourletiella hortensis, almost gone now for this year...
right : Entomobrya multifasciata, the whole year to find in my garden...
This one is Dicyrtomina saundersi it seems. Had other shots but a friend needed this shot of it's backside for a positive ID. On our present trajectory, these are the kinds of creatures that will inherit a wrecked but probably repairable planet from us.
This piece of Cordyline leaf was frozen to the lawn in our garden this morning, but the springtail seemed happy. I understand that they produce glycerols that act as a natural anti-freeze.
This is a composite of two images, one for the "overall" appearance and one to show the sub-anal appendage (SAA). The presence of this indicates a female.
A local Staffordshire churchyard has a thriving colony of these springtails. They seem to congregate on a damp area of wall. They have only recently been reported in the UK and are designated Katiannidae genus nov.1 sp. nov..
As there has been lots of rain, I visited the churchyard this morning to check on numbers. The wall was swarming with them. I did a few shots and when processing them, noticed that there was a spermatophore on this one. I presume that it's been produced by a male of this particular species.
Canon 5D3 + MP-E 65mm macro (at x5) + 2x tele-extender + MT-24EX flash.
Composite, not to scale. Clockwise from top:
Pogonognathellus longicornis, Dicyrtomina minuta, Orchesella cincta.
Around 0.8mm - 0.9mm long, these springtails have appeared from nowhere on the lumps of suet that I feed to the the rest of my menagerie. I assume that they are Sminthurinus domesticus, a species which survives only in indoor locations in this part of the world.
This is a shot from my garden of a whole bunch of springtails (Collembola) on the surface of the water in a plant pot. They were being moved round by the wind were clambering onto this small piece of wood and on each other.
Can name some but not all of them
This one kept me quite an afternoon busy . There were 2 specimen between layers tree bark, but deep, so that my light dit not reach them. Occasionally they came closer to the edge and I had to take my chance. Also he has a short right antenna !
3 pictures merged for the sharpness in photoshop cs6.
Love these little things... About 2 mm or so in length.
This one is showing its eversible vesicle cleaning tube.
100mm L macro with full set of Kenko extension tubes (thanks Steve for the use of)...
I think these are Dicyrtomina saundersi but not 100%, they are about 1mm in length, this i think is a female or juvenile
Lifted up a rotten piece of wood and found at least 4 species under there! The globular ones (top left) mostly pinged off but the others barely moved! Not good shots as they're beyond my camera's abilities really, but thought I'd upload a montage anyway!
Upton Magna - Shropshire
Thanks to Frans for naming them! There's actually 5 species!
Top left = Dicyrtomina ornata + Dicyrtomina saundersi
Top right = Neanura muscorum, a springless springtail
Bottom left = Isotoma viridis
Bottom right = Pogonognathellus flavescens