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Nature is extremely diverse, and species are an obvious example of this. The Yasuni National Park alone, Ecuador’s largest nature reserve, has many examples of this diversity.
During 2005 and 2006, researchers David Díaz-Guevara, in collaboration with Inabio, Alicia Arzani, and William Galvis, documented Spider’s anomalysome common ones.
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“These types of anomalies are normal in nature and occur in other specimens of other species; however, the number of specimens with such anomalies is It is more common in Yasuni than anywhere else in Ecuador.Diaz-Guevara said.
According to researchers, spiders have different types of anomalies, such as hermaphroditism (an organism that has both male and female characteristics), duplicated appendages, and even malformed sexual structures, however, The most common is associated with a lack of eyes.
“So far we have four specimens with anomalies deposited at the Yasuni Museum, three of which had eye problems. There is one thing that particularly catches our attention, no longer just the eyes, but the female sexual structure.”, Díaz-Guevara commented to this newspaper.
This particular case concerns a long-legged spider. Sex organs have turnedAccording to Díaz-Guevara, this may effects on its reproduction, and the species may have been born under this metamorphosis.
“They are genetic problems. We are still studying the samples we have collected, and we have to go to the field and apply methods to confirm this hypothesis,” said Díaz-Guevara.
During that survey, they documented a crab spider (Psoralea) and a spitting spider (Ephemeroptera) with eye abnormalities, located in one of the key biodiversity sites. For example, None of the crab spider’s eight eyesthis problem holds nine world records in the family, such as: Amaurobiidae, Araneidae, Leptonetidae, Lineyphiidae, Tetragnathidae and Zodariidae.
And in the spitting spider Missing six eyes Characteristics of the species, known anomalies in the family: Aphididae, Aphididae, Aphididae and Aphididae.
what is the reason?
According to Díaz-Guevara, the exact reasons are: They are unknown. However, they may be related to Embryonic trauma, cell division failure, adolescent injury, or environmental conditions Unusual circumstances, such as deliberate exposure to chemicals during embryonic development.
“They can grow normally but lose eyes due to aggression, but these are special cases,” Díaz-Guevara said, adding that in cases where they lose one or both eyes, it is difficult for them to be blind because the others can work, unless they don’t.
“If some specimens were born without eyes, people would not have seen them grow up because they would have had a hard time hunting, and they might have been hunted, and they might not have made it to adulthood,” the researchers explained.
Research conducted nearly 20 years ago was Yasuni Treetops and collected samples.
What do you know now?
Díaz-Guevara said the large number of samples that needed to be analyzed and the small number of researchers studying spiders meant that these cases were not immediately known. Arachnology requires in-depth study.
The species mentioned by the professionals is new and can currently be known by its family name. More time is needed to determine the exact type of species.
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The Yasuní Biosphere Reserve is located in the Amazon region, specifically in the Napo Department. Its main ecosystem is the tropical moist rainforest, which is part of the upper Amazon basin.
The site is ranked as one of the most diverse areas per square meter in the world. According to UNESCO, it is almost entirely represented by original natural vegetation. (I)
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