イオウイロハシリグモ
| イオウイロハシリグモ |
|---|
 イオウイロハシリグモ |
| Classification |
| Scientific name |
| Dolomedes sulfureus L. Koch, 1878 |
イオウイロハシリグモ Dolomedes sulfureus L. Koch, 1878 is one kind of the spider of the キシダグモ department. It was the most common kind with fisher spiders, but it had a long a lot of variation for the distinction of the kind, and there was confusion in a color of the body.
Table of contents
General statement
It is a large loitering-related spider and catches game without putting a net. I inhabit from the waterside to grassland, forest widely. A whole body is yellowish-brown, and, as for the thing which it has been said to that I am standard, the name of the sulphur yellow is associated with this [1]. But there is the thing having a white line on physical both sides, too, and there are many types in that. Because they had been ever considered to be another kind, confusion has occurred. Besides, I may be still troubled with a judgment because there is the another kind of such a spot.
A female carries the egg case, and a product hangs a net before incubation there.
Characteristic
The length is female in large spiders in Japan, and 12-26mm is male; 12-18mm [2]. But the example which matures with being small is seen [3]. The cephalothoraces almost gets narrow behind the head in ovoid a little. The previous eyes line is approximately equal to the width of the head.
The abdomen has a sharp rear with an oval a little. The gnathoped is firm for a long time. The male is smaller than a female, and it is slightly delicate.
A color of the body does not have the sex differences. The larva has many slightly bright colors. There are three ways for the pattern of the color of the body [4].
- A dark brown design is on the bright brown ground
- The brown that is ignorant of the whole: These two are イオウイロ types. Or the former is a co-fisher spider type.
- The thing with the white obi traversing both sides on the dark brown ground: Line senility type, line black fly type
I it about color variation
As described above, this kind of color is full of variation very much. But these have been ever regarded as another kind. As for a lot of of the name that it is 11 kinds that is admitted now whereas there are 20 species listed in the cause with a specimen from Japan by this genus, but was invalidated, this; a kind-related [5].
It was a model to have a white belt-shaped spot to traverse the center in dark brown, flank that was particularly difficult. The thing with this type of spot is too much different from the model brown from head to foot regarded as a standard in an appearance. Besides, the clear another kind with the same type of spots existed, and a thing with such a spot was another kind, and there was no wonder. But these seemed to go up the question whether was similar without being able to show a very clear difference in the form of the sex organs which were made much of when I classified kinds.
At this point in time, the following close species were given [6]; [7]. イオウイロ line black fly line senility was illustrated with the early illustrated book by Takeo Yaginuma [8].
- D. sulfureus ：イオウイロハシリグモ
- D. hercules ：Line senility fisher spider
- D. angustivfirgustus ：スジボソハシリグモ
- D. pallitarsis ：Line black fly fisher spider
- D. ohsiditia ：オオスジチャハシリグモ
There are several thing nicknames of the イオウイロハシリグモ itself elsewhere, but it leaves it out.
It is experimental study of mating and the breeding of Kiyoshi Nakahira that it was the opportunity when this problem greatly changes a direction. He brought up the larva which hatched from the cause of the suggestion "are イオウイロハシリグモ and the line senility fisher spider similar?" of the Lake Yagi, the egg case which the line senility fisher spider had and got イオウイロ-shaped individual with a line senility type from there. Furthermore, he crossbred them with the individual which I collected from the outdoors, and those colors proved that it was an individual variation [9].
From this, reexamination began, and, in the case of the revision of his Arachnida illustrated book, the Lake Yagi made the decision following.
- Being the same kind in a category of the color variation of イオウイロ about line senility スジボソ オオスジチャ mentioned above.
- A color variation individual of イオウイロ is included in a thing considered to be a line black fly, but the line black fly exist as another kind till then with イオウイロ.
However, this judgment will overturn more as a result that it is the 21st century, and a review was carried out some other time. The conclusions are as follows. Even the information of the molecular system is confirmed in this respect [10].
- A kind independent in スジボソ.
- Under cover of line senility type and スジボソ of イオウイロ, concealment class and one kind that it was and were discovered. This was named D. fotus Baba fisher spider.
By the way, the confusion of the classification about color variation and the correspondence happened equally afterwards about アズマキシダグモ of the キシダグモ genus which was the other genus of the course. I refer to an applicable clause for this.
Distribution
I am distributed from Hokkaido, Honshu, Shikoku, Kyushu to Satsunan Islands in Japan. I am known from China and Korea in the foreign territory.
Biotope
I am seen in a grassy plain, the grass of the forest relationship from the waterside and am "a kind to stand out best" with the thing of the place of origin in Japan except Ryukyu Islands without the distribution [11]. Numerical for the spider which is seen in a rice field in Korea; there is many it [12].
This kind copes with wide biotope whereas the mountains forest and the center of the habitat become clear a waterside of the level ground, a line dirt fisher spider around mountain stream, a line black fly fisher spider in the Japanese same sort アオグロハシリグモ.
Habit
It is often observed ambushing you on grass and a low leaf. I escape to back of a leaf and Kusama quickly when stimulated. The mature form is seen for from July to September. The female carries an egg case in addition to a mouth, but I make the thing such as the net which formed on Kusama on the basket when incubation approaches and hang an egg case there. I spend it in the larva はしばらくをその network which hatched. The female mature form waits on a side until larvae disperse [13].
including the close species
Including the above, as for the classification of this kind, there was a great deal of confusion. But, about the イオウイロ type, there is not the similar another kind.
As for the problem, it is following two kinds that inhabit with a kind similar to this with a line senility type for the aforementioned place [14].
- D. It is Baba fisher spider fontus Tanikawa & Miyashita 2008
- D. It is スジボソハシリグモ angustivirgatus Kishida, 1936
These are distinguished in a white dot appearing in the other central deep color zone that a line senility type of イオウイロ does not have two kinds, the difference of the relative value of the length of the gnathoped. There are few differences of the female organ outside a male most moving passage limb organ and female made much of by a classification of the general 完性域 Arachnida with this kind, and this is the cause that raised confusion.
Furthermore, it is two kinds of the next to have the approximately same type of spots.
- D. saganus Boes. et Str. 1906: Line black fly fisher spider
- D. It is a line dirt fisher spider silvicola Tanikawa et Miyashita 2008
As for the former, a central deep color zone is large, and a flanking white belt is narrow. The latter appears in the forest and the valley more, and there are a haze and a difference in a spot.
In addition, all these kinds less inhabit the south South-West Islands with the distribution from Japanese soil to not more than Satsunan Islands. A kind for it includes ヘリジロハシリグモ D. horishanus in this area.
Source
- ^ Yuhara (1931)p.233
- ^ Ono (2009)p.218
- Less than ^, it is Lake Yagi (1960),p.80 mainly
- ^ Tanikawa & Miyashita(2008)p.27
- ^ Tanikawa & Miyashita(2008)
- Lake ^ Yagi (1986)p.170-171
- The following scientific names have much confusion, and Tanikawa & Miyashita(2008) does a review afterwards so that ^ is associated.
- Lake ^ Yagi (1960),p.80,Plate37
- ^ Nakahira (1978)
- ^ Tanikawa & Miyashita(2008)
- It is Ono (2009)p.218 for ^ quotation
- ^ Kim et al.(2000)p.288
- ^ Araumi (1984)p.121
- ^ Ono (2009),p.218
References
- Hirotsugu Ono compilation, "Arachnida from Japan," it is (2009), Tokai University publication society
- Takeo Yaginuma, "a primary color Japan Arachnida size illustrated book," it is (1960), childcare company
- Takeo Yaginuma, "primary color Japan Arachnida illustrated book," it is (1986 revision), childcare company
- Eiichi Araumi, Shinji Takano, "a field illustrated book spider," it is (1984), Tokai University publication society
- Kiyoshi Nakahira, 1978, イオウイロハシリグモ and ecological examination of the line senility fisher spider, Atypus No.73:p24-28
- Seiji Yuhara, "the study of the spider," it is (1931), 綜合科学出版協會
- Tanikawa Akio & Tadashi Miyashita, 2008, A revision of Japanese species of the genus Dolomedes (araneae: Pisauridae) with its phylogeny based on mt-DNA. Acta Arachnologica, 57(1): pp.19-35
- Kim, S. T. et al. 2000, Spiders as important predators in Korean rice fields.
This article is taken from the Japanese Wikipedia イオウイロハシリグモ
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