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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Springtails and allies (Collembola) » Globular Springtails (Symphypleona)
Photo#2070643
Globular Springtails
Copyright © 2021 Vitaly Charny

Globular Springtails
Birmingham, Jefferson County, Alabama, USA
December 12, 2021

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Globular Springtails Globular Springtails Globular Springtails Globular Springtails
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Contributed by Vitaly Charny on 12 December, 2021 - 9:43pm

Dicyrtomidae
Could be Dicyrtoma or juveile Ptenothrix.
To differentiate we need to see the number of unpaired midfacial macrosetae : 2 in Ptenothrix, about 6 in Dicyrtoma.
… Frans Janssens, 13 December, 2021 - 10:10am login or register to post comments

 
Dicyrtomidae
Thank you, Frans!
All springtails I posted these time I found on the same small mushroom.
One of them you have identified as Ptenothrix renateae. I suppose it was the same guy as with transverse wax crystal growth. It lost the growth while I cared the mushroom home. Next day it start to grow again but in simple form. And this one is juvenile, about twice smaller, than identified.
… Vitaly Charny, 13 December, 2021 - 11:39am login or register to post comments

 
These wax tubes
indeed are quite fragile. And indeed they grow relatively fast. The wax crystals only appear at a given temperature, humidity and % of 'evaporated' wax in the air. I do not know the parameters. But you could track the specimen and see what happens. Have fun!
… Frans Janssens, 13 December, 2021 - 12:06pm login or register to post comments

 
Ptenothrix renateae
could the juveniles also be Ptenothrix renateae if found on the same small mushroom?
… Vitaly Charny, 13 December, 2021 - 1:08pm login or register to post comments

 
Could be, indeed
They seem to have the same pigmentation pattern.
But I cannot confirm it on morphological characters.
… Frans Janssens, 13 December, 2021 - 1:21pm login or register to post comments

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