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Springtails and allies (Collembola)
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Bear-bodied Springtail (Neanura magna)
Photo#160277
Copyright © 2007
Joyce Gross
big springtail -
Neanura magna
Anthony Chabot Park, Oakland, Alameda County, California, USA
December 8, 2007
Size: 5mm
This seems to be a species without a furca. It did not spring.
Images of this individual:
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Contributed by
Joyce Gross
on 9 December, 2007 - 2:57am
Last updated 17 April, 2009 - 8:41am
Moved
Moved from
Morulina multatuberculata
.
New species for the guide.
…
Beatriz Moisset
, 17 April, 2009 - 8:41am
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Neanura magna
I checked the pictures again recently, due to the upload of new material by Mark Leppin. Although the specimen resembles Morulina at first sight, it turns out to be Neanura magna. The largest Neanura species in the USA. Sorry for the confusion caused.
It has only 5 dorsally visible abdominal segments. The 6th abdominal segment is completely covered by the 5th. As in Morulina...
…
Frans Janssens
, 17 April, 2009 - 2:15am
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Moved
Moved from
Elongate-bodied Springtails
.
…
Beatriz Moisset
, 9 December, 2007 - 8:04am
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Morulina multatuberculata
Good thinking to take a ventral shot!
The furca is clearly lacking. The two small tubercles (with large seta) in the posterior ventral part of the body may not be confused with a residu of the furca. It is the 6th abdominal segment. In Morulina the 6th abdominal segment is hidden completely by the posteriorly enlarged 5th abdominal segment seen from dorsal aspect.
Note also:
1. the sharply pointed buccal cavity, in which the entognath mouthparts are hidden.
2. the 'linea ventralis': the line connecting the mouth with the collophore (the latter is hard to see in this picture). The linea ventralis is a superficial cuticular channel that transports, in capillar way, a kind of urine, secreted by labial (underlip) glands, to the collophore where it is recycled (e.g. salts are recovered, the waste fluid is deposited onto the substrate).
…
Frans Janssens
, 9 December, 2007 - 7:50am
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