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Photo#89158
Flotilla of globular springtails - Dicyrtomina minuta

Flotilla of globular springtails - Dicyrtomina minuta
Nashua, Hillsborough County, New Hampshire, USA
November 30, 2006
Size: 1.0 - 1.9 mm
What's going on here with these two eversible tentacle-like things? You can also see one that is coming from the individual on the lower right of the frame.

Images of this individual: tag all
Flotilla of globular springtails - Dicyrtomina minuta Flotilla of globular springtails - Dicyrtomina minuta Flotilla of globular springtails - Dicyrtomina minuta Flotilla of globular springtails - Dicyrtomina minuta Flotilla of globular springtails - Dicyrtomina minuta Flotilla of globular springtails - Dicyrtomina minuta Flotilla of globular springtails - Dicyrtomina minuta Flotilla of globular springtails - Dicyrtomina minuta Dicyrtomina ornata - Dicyrtomina minuta

Moved
Moved from Dicyrtomina ornata.

New US species?
Pending confirmation, this may be the first record of this species in the US.

Great!
Great series of shots! Are you getting hooked on Collembola, now? Fascinating little creatures.

 
Yes,
I think I've added them to the beetles as far as interest is concerned. I'm already wanting to photograph them in Ecuador.

Moved

Dicyrtomina ornata
Hi Jim. This is a trick only Collembola can perform ;-)
All Collembola have a ventral tube. From this tube they can everse two 'sacs'. In Symphypleona, these sacs are evolved into long tubes. These eversible tubes are multifunctional organs. They are used to regulate the internal osmotic pressure by taking up water with the tips of the eversed sacs/tubes. They are also used as an aid to adhere themselves on a smooth substrate surface. This was obseverd by the firts zoologists that described Collembola, hence the name colla = sticky glue and embolon = plug/pin. In Symphypleona the long eversible tubes are also used for grooming.

'Stickypluggers' would have been a more appropriate common name for springtails because not all springtails have a 'springing tail'... ;-)

The specimen lying on its back is trying to use its eversible tubes to get back on its feet.

 
Just what I was hoping for :-)
Thanks for explaining Symphypleona anatomy and philology, Frans.

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