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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Springtails and allies (Collembola) » Globular Springtails (Symphypleona) » Dicyrtomidae » Ptenothricinae » Ptenothrix » Ptenothrix marmorata
Photo#2079841
Globular Springtail - Ptenothrix marmorata
Copyright © 2022 Vitaly Charny

Globular Springtail - Ptenothrix marmorata
Birmingham, Jefferson County, Alabama, USA
January 12, 2022

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Globular Springtail - Ptenothrix marmorata Globular Springtail - Ptenothrix marmorata Globular Springtail - Ptenothrix marmorata
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Contributed by Vitaly Charny on 13 January, 2022 - 1:24pm
Last updated 18 January, 2022 - 7:11pm

Moved
Moved from Globular Springtails.
… Vitaly Charny, 18 January, 2022 - 7:11pm login or register to post comments

Ptenothrix marmorata subadult
This posture with uplifted frontlegs is an indication that the specimen is considering an escape jump.
The full prejump procedure =
1. tilt head up to backwards
2. lift up frontlegs (and wave with them)
3. eject tubelike vesicles from collophore (at high speed)
4. apply furca
Procedure can be interrupted at any step.
… Frans Janssens, 14 January, 2022 - 10:49am login or register to post comments

 
Jump
Thank you. I indeed observed this behavior several times. No instant jump, but some time they do jump looks like without looking around.
… Vitaly Charny, 14 January, 2022 - 10:59am login or register to post comments

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