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Spesies baru kumbang ditemukan di gua terdalam di dunia

kumbang gua  adalah salah satu spesies yang paling ikonik yang  ditemukan di habitat bawah tanah . Mereka historis organisme hidup yang pertama kali dijelaskan oleh ilmu pengetahuan yang disesuaikan dengan kondisi kehidupan hypogean atau bawah tanah . Habitat yang tidak biasa pada gua Krubera di Kaukasus Barat itu tetap misteri . Para peneliti sekarang telah menemukan spesies baru kumbang di kedalaman gua ini ....read more

New species of
beetle discovered in the world's deepest cave

Date:

July 1, 2014

Source:

FECYT - Spanish
Foundation for Science and Technology

Summary:

Cave beetles are one
of the most iconic species found in subterranean habitats. They were
historically the first living organisms described by science that are adapted
to the conditions of hypogean or subterranean life. The unusual habitat of the
Krubera cave in the Western Caucasus had remained a mystery. Researchers have
now discovered a new species of beetle in the depths of this cave.

.....................

the unusual habitat of
the Krubera cave in the Western Caucasus remains a mystery. Researchers from
two Spanish universities have discovered a new species of beetle in the depths
of this cave.

Cave beetles are one of the most iconic species found in subterranean
habitats. They were historically the first living organisms described by
science that are adapted to the conditions of hypogean or subterranean life.

Now, a Portuguese scientist and a Spaniard have discovered a new species of
beetle in the deepest cave known to man; a cave 2,140 metres deep. It is the
Krubera cave, situated in the Arabika massif in the Western Caucasus.

Ana Sofía Reboleira, researcher from the Universities of Aveiro and La Laguna,
and Vicente M. Ortuño, from the University of Alcalá, have published their
discovery in the scientific journal 'Zootaxa'.

"The new species of cave beetle is called Duvalius abyssimus.
We only have two specimens, a male and a female. Although they were captured in
the world's deepest cave, they were not found at the deepest point,"
Ortuño, who has dedicated the last 10 years to studying subterranean fauna,
said.

The Duvalius genus is a successful colonizer of Earth's
depths. The majority of species have a hypogean lifestyle and live in caves or
the superficial underground compartment.

"The new species' characteristics indicate that it is moderately
adapted to life underground. Proof of this is that they still have eyes, which
are absent in the highly specialised cave species," added the expert.

The Arabika massif region in Abkhazia, where this cave is found, is
biogeographically a very interesting area. Altitudes fluctuate between 1,900
and 2,500 metres and the cave is composed of lower and upper Jurassic-Cretaceous
limestone.

Its large area has provided endless subterranean refuges for fauna. In
fact, various genera of endemic cave beetles live in the Western Caucasus.
"Its location is strategic, since there are fauna of European, Asian and
also endemic origin in the zone," the scientist underlined.

The entrance to the cave is 2,240 metres above sea level and 15 kilometres
from the Black Sea. Below numerous vertically-cutting sections, it reaches a
depth of 1,400 metres. From this level, it splits into branches and in order to
reach the greatest known depth, it is necessary to pass various flooded
underground chambers using diving techniques.

"The discovery of the new beetle provides important data on species
that co-exist in these almost unknown ecosystems, even more so when they are
found in a geographical area that is very difficult to access, such is the case
with this cave," Ortuño concluded.







Story Source:

The above story is based on materials provided by FECYT - Spanish Foundation for
Science and Technology. Note: Materials may be edited for content and length.







Journal Reference:

1.    Ana Sofia P. S. Reboleira, Vicente M.
Ortuño. A new species of Duvalius from world’s deepest
cave (Coleoptera: Carabidae). Zootaxa, 2014; 3784 (3): 267
DOI: 10.11646/zootaxa.3784.3.6

http://www.sciencedaily.com/releases/2014/07/140701101505.htm

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