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Observer

aru

Date

March 22, 2019 02:12 AM CST

Description

細胸珈蟌
Mnais tenuis Oguma,1913
Spring Copperwing
カワトンボ属 Genus Mnais

Photos / Sounds

Observer

aru

Date

March 22, 2019 02:00 AM CST

Description

細胸珈蟌
Mnais tenuis Oguma,1913
Spring Copperwing
カワトンボ属 Genus Mnais

Photos / Sounds

Observer

aru

Date

March 21, 2019

Description

細胸珈蟌
Mnais tenuis Oguma,1913
Spring Copperwing
カワトンボ属 Genus Mnais

Photos / Sounds

Observer

aru

Date

March 21, 2019

Description

細胸珈蟌
Mnais tenuis Oguma,1913
Spring Copperwing
カワトンボ属 Genus Mnais

Photos / Sounds

Observer

aru

Date

March 19, 2019

Description

這是今年在內雙溪流域看到的第一隻「短腹幽蟌」,在桃仔腳橋旁發現這隻剛羽化的雌蟲,而從
從至善路「坪頂古圳步道口」站旁的河段,一直到坪林坑溪與坪頂古圳交會口往上游100多公尺(約1.5km),河床與河岸上只找到這一隻。

The very first Formosan Gossamerwing that I sighted in Neishuangxi area this (2019) year. Searching several sections of stream in 1.5km, the altitude about 230m to 480m, there is only this newly emerged female sighted.

Se ve esta especie por la primera vez en este año (2019) en Neishuangxi.

Photos / Sounds

Observer

aru

Date

March 20, 2019 02:56 AM CST

Description

繼去年4月13日在公平橋旁看到一隻「細胸珈蟌」之後,今天(3/19)在桃仔腳橋和田尾仔橋之間的平林坑溪右岸也遇到一隻。這兩隻是我所遇過的「細胸珈蟌」最低海拔的。公平橋約是 312m,而這次這隻約在 358m。之前見到的都是在較高的地方,約 800m,所以讓我以為那是「細胸珈蟌」偏好棲地高度。上一週在大屯溪上游見到的三隻高度約是 500m。

Till last year, I thought Spring Copperwing (Mnais tenuis) occurred mostly in the areas of streams at higher altitude, about 800m. But one sighted last April at about 312m and one about 358m today. 3 encountered last wk at about 500m. So, it does not occur as high as I thought it would be. So far, all Spring Copperwings I ran into occur at altitude of 300m to 800m+.

Mnais tenuis Oguma,1913
Spring Copperwing
カワトンボ属 Genus Mnais

Photos / Sounds

Observer

aru

Date

March 17, 2019

Photos / Sounds

Square

What

Common Kingfisher Alcedo atthis

Observer

aru

Date

March 18, 2019 02:48 AM CST

Photos / Sounds

Observer

aru

Date

March 18, 2019 02:14 AM CST

Description

弓背細蟌
Pseudagrion pilidorsum pilidorsum (Brauer, 1868)
Red Sprite
アカナガイトトンボ [赤長系蜻蛉]

Photos / Sounds

Observer

aru

Date

March 18, 2019 02:24 AM CST

Photos / Sounds

Observer

aru

Date

March 13, 2019 01:35 PM CDT

Description

細胸珈蟌
Mnais tenuis Oguma,1913
Spring Copperwing
カワトンボ属 Genus Mnais

Photos / Sounds

Observer

aru

Date

March 13, 2019 01:44 PM CDT

Description

細胸珈蟌
Mnais tenuis Oguma,1913
Spring Copperwing
カワトンボ属 Genus Mnais

Photos / Sounds

Observer

aru

Date

March 13, 2019 01:40 PM CDT

Description

細胸珈蟌
Mnais tenuis Oguma,1913
Spring Copperwing
カワトンボ属 Genus Mnais

Photos / Sounds

Observer

aru

Date

March 12, 2019 03:48 PM CDT

Description

紅腹細蟌 / 翠胸黃蟌琉球亞種 (中) / 琉球橘黃蟌(港)
Ceriagrion auranticum ryukyuanum Asahina, 1967
Orange-tailed Sprite
キイトトンボ属 [黃糸蜻蛉属]
リュウキュウベニイトトンボ [琉球黃糸蜻蛉]

Photos / Sounds

Observer

aru

Date

March 2, 2019 01:49 PM CST

Description

紅姬緣椿象、無患子椿象、臭屁蟲
Leptocoris vicinus (Dallas, 1852) ,特徵是背部革質部有明顯V字黑紋。

Photos / Sounds

What

Blue Riverdamsel Pseudagrion microcephalum

Observer

aru

Date

February 21, 2019 12:40 PM CST

Description

瘦面細蟌 / 綠斑蟌(港)
Pseudagrion microcephalum (Rambur, 1842)
Blue Sprite

Photos / Sounds

What

Black Stream Glider Trithemis festiva

Observer

aru

Date

January 31, 2019 12:30 PM CST

Description

樂仙蜻蜓
Trithemis festiva (Rambur, 1842)
Indigo Dropwing,
Black Stream Glider
(ベニトンボ属)

Photos / Sounds

Square

What

Crimson Dropwing Trithemis aurora

Observer

aru

Date

January 31, 2019 12:28 PM CST

Description

紫紅蜻蜓 / 曉褐蜻(港)
Trithemis aurora (Burmeister, 1839)
Crimson dropwing, Crimson Marsh Glider
ベニトンボ属 ベニトンボ [紅蜻蛉]

Photos / Sounds

What

Common Red Skimmer Orthetrum pruinosum ssp. neglectum

Observer

aru

Date

January 31, 2019 12:07 PM CST

Description

霜白蜻蜓 中印亞種 / 赤褐灰蜻(港)
Orthetrum pruinosum neglectum (Rambur, 1842)
Red-bellied Skimmer, Crimson-tailed Marsh Hawk
コフキショウジョウトンボ [粉吹き猩々蜻蛉]

Photos / Sounds

Square

What

Common Red Skimmer Orthetrum pruinosum ssp. neglectum

Observer

aru

Date

January 31, 2019 12:07 PM CST

Description

霜白蜻蜓 中印亞種 / 赤褐灰蜻(港)
Orthetrum pruinosum neglectum (Rambur, 1842)
Red-bellied Skimmer, Crimson-tailed Marsh Hawk
コフキショウジョウトンボ [粉吹き猩々蜻蛉]

Photos / Sounds

Observer

aru

Date

January 31, 2019 12:02 PM CST

Description

善變蜻蜓
Neurothemis taiwanensis Seehausen & Dow, 2016
Red Percher
アカスジベッコウトンボ

Photos / Sounds

What

Yellow Featherlegs Copera marginipes

Observer

aru

Date

January 31, 2019 11:59 AM CST

Description

脛蹼琵蟌 / 黃狹扇蟌 (港)
Copera marginipes (Rambur, 1842)
Yellow Featherlegs

Photos / Sounds

Observer

aru

Date

January 31, 2019 11:54 AM CST

Description

麻斑晏蜓
Anax panybeus Hagen, 1867
Common Emperor
リュウキュウギンヤンマ

Photos / Sounds

What

Yellow Featherlegs Copera marginipes

Observer

aru

Date

January 31, 2019 11:54 AM CST

Description

脛蹼琵蟌 / 黃狹扇蟌 (港)
Copera marginipes (Rambur, 1842)
Yellow Featherlegs

Photos / Sounds

What

Green Marsh Hawk Orthetrum sabina ssp. sabina

Observer

aru

Date

January 31, 2019 11:49 AM CST

Description

杜松蜻蜓 / 狹腹灰蜻(港)
Orthetrum sabina sabina (Drury, 1770)
Green Skimmer, Green Marsh Hawk
ハラボソトンボ [腹細蜻蛉]

Photos / Sounds

What

Crimson Darter Crocothemis servilia ssp. servilia

Observer

aru

Date

January 31, 2019 11:46 AM CST

Description

猩紅蜻蜓
Crocothemis servilia servilia (Drury, 1773)
Oriental Scarlet Skimmer
タイリクショウジョウトンボ [大陸猩々蜻蛉]

Photos / Sounds

What

Common Red Skimmer Orthetrum pruinosum ssp. neglectum

Observer

aru

Date

January 31, 2019 11:45 AM CST

Description

霜白蜻蜓 中印亞種 / 赤褐灰蜻(港)
Orthetrum pruinosum neglectum (Rambur, 1842)
Red-bellied Skimmer, Crimson-tailed Marsh Hawk
コフキショウジョウトンボ [粉吹き猩々蜻蛉]

Photos / Sounds

Observer

aru

Date

January 31, 2019 11:45 AM CST

Description

善變蜻蜓
Neurothemis taiwanensis Seehausen & Dow, 2016
Red Percher
アカスジベッコウトンボ

Photos / Sounds

What

Formosan Jewelwing Matrona cyanoptera

Observer

aru

Date

January 31, 2019 11:33 AM CST

Description

白痣珈蟌
Matrona cyanoptera Hämäläinen & Yeh, 2000
Formosan Jewelwing
タイワンハグロトンボ [台湾羽黒蜻蛉]

Photos / Sounds

Observer

aru

Date

January 31, 2019 11:30 AM CST

Description

弓背細蟌
Pseudagrion pilidorsum pilidorsum (Brauer, 1868)
Red Sprite
アカナガイトトンボ
[赤長系蜻蛉]

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