Spider study

Spider study (Arachnology, Spider Science, Arachnology) is a scientific study to study about, etc. However, even if it belongs to the same spider, there is a case that it is called independent as it is not dealt with in spider studies. A scholar who studies a spider Spider scholar.

table of contents

Classification

Spiders first classify spiders. There are many types of spiders, there are cases where two kinds of spiders look exactly the same, there are cases where the same kind of spiders have different characteristics and appear to be different kinds. You often have to use spider to determine the type of spider.

In 1678, the spider species were divided into eight species and two species, but this belongs to the present class. This is the beginning of this field. Were regarded as spiders and included in wingless insects. Incidentally, he includes all arthropods in insects. In 1802 only organized this, only divide the Hymenoptera into two spider lines. However, in addition to spiders, this spider line contained sorts, as well as wingless insects.

It is a big problem which trait is important in classification. Various things such as its habits, the number of eyes, the number of calluses and gates, etc., have been taken up in spiders.

Regarding Japanese spider eyes, depending on, etc., it was published around 1960, and we introduced a considerable number of species (226 in Saito and 335 in Yakinuma in the primary color diagram) to expand the base of research on spiders It was a big force. Since then, a small number of experts covered all kinds of spiders, gradually experts specializing in each taxonomic group began to appear, research has advanced greatly. However, there are still fields with many unknown species, some fields where hidden species are discovered by reviewing, there are great expectations for future progress. As for the book, there are also picture books and pocket books, etc., which are not inconvenient, but there is a discrepancy with the latest knowledge (as of 2007).

As for the kind, long as a specialist, it conducts extensive research. Classification research is progressing considerably. I give over to sorts. For other classes, the number of species is not large.

Ecology

Behaviors of living spiders are harder to investigate than specimen morphology, and many live in places that are out of reach, so it is not very advanced about spiders. However, some interesting behavioral features have been drawing attention for a long time. Regarding spider species, it was noted from its structure, the complexity of networking behaviors, and so on. Also, in many things including, especially marriage dance attracted attention.

Also, as spiders are typical small in the field, their work was studied. Practical research has been conducted for the purpose of utilization for defense.

Japanese spider study

Japanese spider research can be traced back to the latter period. You can see a description about spiders in a book such as.

On the other hand, the description of Japanese spiders was based on the method of. In 1877, he issued "Spider varieties of Japan" and described 29 new species in it. The sample collection is as follows. after that (1879), (1887), (1888) and others published little by little Japanese spiders. In co-authored with receiving them, "Spider of Japan" (" Japanische Spinnen ": 1906), over 400 species were reported with figures, which together with the previous reports, came to Japan in the beginning of the Meiji era and was the Tokyo Medical School (the predecessor of the University of Tokyo School of Medicine). It is based on the Donitz collection.

From this time gradually Japanese researchers started to grow up, and they are known as early researchers. "Lanzania" issued mainly by Kishida was published as a specialist magazine of spiders and zoology since 1929, but after 3 volumes 12 and later it became irregular. In 1930 "" appeared as related to the first spider in Japan. In 1936 the Asahi Spider Society (now renamed to) was established. It was the only sports conference in the world at that time.

Source

1. ****Uchida supervision (1866), p.24-25, p.221

References

• Uchida Toru supervised "Animal Strain taxonomy (10 volumes) Vol. 7 (middle A) Arthropods (IIa)" (1966), Nakayama Bookstore
• Takeo Yaginuma "Spider's story: Woman's Animal Notes", 1969.

External link

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Post Date : 2018-02-18 04:00

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