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凹近狂蛛

2017年02月11日 08:38
phylum:Arthropoda
门:节肢动物门
class:Arachnida
纲:蛛形纲
order:Araneae
目:蜘蛛目
科名:Gnaphosidae
中文科名:平腹蛛科
属名:Drassyllus
种名:excavatus
中名:凹近狂蛛
描述:雌蛛体长6.80~9.56。一雌蛛体长8.31:头胸部长2.83,宽2.25腹部长5.40,宽2.70。背甲棕褐色,头区隆起不明显颈沟和放射纹明显中窝纵向,黑色细缝状。8眼2列,背面观前眼列稍后凹,后眼列前凹并长于前眼列前中眼圆形,黑色后中眼不规则角形,珍珠白色,呈倒“八”字排列,两眼几乎相接前、后侧眼椭圆形后中眼>前侧眼>后侧眼>前中眼(0.19:0.15:0.14:0.11),前中眼间距0.09,前中、侧眼间距0.02,后中眼间距0.03,后中、侧眼间距0.05,前、后侧眼间距0.07中眼域前边小于后边(0.29:0.34),长大于宽(0.39:0.34)。螯肢棕褐色,前齿堤5齿(有的为4齿),后齿堤3小齿(有的为4齿)。颚叶肾形,黄褐色,侧缘黑褐色,前端为浅黄色,具毛丛。下唇与颚叶同色,近似于方形,前端为弧形,被毛。胸板心形,黄褐色,边缘色黑。第Ⅰ、Ⅱ步足基节处最宽。步足测量:Ⅰ 8.24(2.52+2.93+1.49+1.30)Ⅱ6.89(1.89+2.48+1.26+1.26)Ⅲ6.21(1.85+2.04+1.33+0.99)Ⅳ9.27(2.52+3.15+2.25+1.35)。足式:4123。腹部灰黑色,前端具一簇黑色毛丛,心脏斑明显,腹面末端肌点明显。纺器棕褐色,前纺器长,圆筒状,分离。外雌器有锤状的中隔纳精囊小,球形,纳精囊管粗而长。
雄蛛体长5.56~6.30。一雄蛛体长为5.99:头胸部长2.74,宽2.04腹部长3.20,宽1.89。背甲棕褐色,头区隆起不明显颈沟和放射纹明显中窝纵向,黑色细缝状。8眼2列,背面观前眼列稍后凹,后眼列前凹并长于前眼列前中眼圆形,黑色后中眼不规则角形,珍珠白色,呈倒“八”字排列,两眼几乎相接前、后侧眼椭圆形后中眼>前侧眼>后侧眼>前中眼(0.16:0.13:0.12:0.10),前中眼间距0.04,前中、侧眼间距0.01,后中眼间距0.03,后中、侧眼间距0.05,前、后侧眼间距0.08中眼域前边小于后边(0.26:0.27),长大于宽(0.34:0.27)。第1步足腿节具3根背刺,第Ⅲ步足腿节具6根背刺,第Ⅲ、Ⅳ步足胫节和后跗节具多根背刺和腹刺。步足测量:Ⅰ 7.48(2.03+2.66+1.53+1.26)Ⅱ6.44(1.80+2.25+1.26+1.13)Ⅲ5.70(1.65+1.80+1.35+0.90)Ⅳ8.74(2.30+3.02+2.16+1.26)。足式:4123。腹部灰黑色,前端具黑色毛丛,心脏斑明显,背盾长度约为腹部长的2/5腹面末端肌点明显。纺器棕褐色,前纺器长圆筒状,分离。各部分颜色稍深于雌蛛。触肢端突近似三角形,其外侧缘中部有1尖刺状突起胫节外侧突末端向背方弯曲。
国内分布:分布北京、河北、甘肃。
资料来源:宋大祥 朱明生 张锋, 2004. 中国动物志 无脊椎动物 第三十九卷 蛛形纲 蜘蛛目 平腹蛛科. 北京: 科学出版社
pdf下载地址:Drassyllus_excavatus.pdf
  • 物种名

    凹近狂蛛

  • 拉丁名

    Micaria formicaria

  • 节肢动物门 Arthropoda

  • 蛛形纲 Arachnida

  • 蛛形目 Araneae

  • 平腹蛛科

  • 资源编码

    21131361103

  • 描述

    维基百科 Micaria[edit] Micaria Westring, 1851 Micaria aborigenica Mikhailov, 1988 — Russia Micaria aciculata Simon, 1895 — Russia Micaria aenea Thorell, 1871 — Holarctic Micaria albofasciata Hu, 2001 — China Micaria albovittata (Lucas, 1846) — Palearctic Micaria alpina L. Koch, 1872 — Holarctic Micaria alxa Tang et al., 1997 — China Micaria beaufortia (Tucker, 1923) — South Africa Micaria belezma Bosmans, 2000 — Algeria Micaria blicki Kovblyuk & Nadolny, 2008 — Ukraine Micaria bonneti Schenkel, 1963 — China Micaria bosmansi Kovblyuk & Nadolny, 2008 — Ukraine Micaria braendegaardi Denis, 1958 — Afghanistan Micaria brignolii (Bosmans & Blick, 2000) — Portugal Micaria browni Barnes, 1953 — USA Micaria camargo Platnick & Shadab, 1988 — Mexico Micaria capistrano Platnick & Shadab, 1988 — USA, Mexico Micaria charitonovi Mikhailov & Ponomarev, 2008 — Kazakhstan Micaria chrysis (Simon, 1910) — Namibia Micaria cimarron Platnick & Shadab, 1988 — USA Micaria coarctata (Lucas, 1846) — Mediterranean to Central Asia Micaria coloradensis Banks, 1896 — USA, Canada Micaria connexa O. P.-Cambridge, 1885 — Yarkand Micaria constricta Emerton, 1894 — Holarctic Micaria corvina Simon, 1878 — Algeria, Tunisia, Israel Micaria croesia L. Koch, 1873 — New South Wales Micaria cyrnea Brignoli, 1983 — Corsica, Italy Micaria delicatula Bryant, 1941 — USA Micaria deserticola Gertsch, 1933 — USA, Mexico Micaria dives (Lucas, 1846) — Palearctic Micaria dives concolor (Caporiacco, 1935) — Karakorum Micaria donensis Ponomarev & Tsvetkov, 2006 — Russia Micaria elizabethae Gertsch, 1942 — USA, Canada Micaria emertoni Gertsch, 1935 — North America Micaria faltana Bhattacharya, 1935 — India Micaria formicaria (Sundevall, 1831) — Palearctic Micaria foxi Gertsch, 1933 — USA, Canada Micaria fulgens (Walckenaer, 1802) — Palearctic Micaria funerea Simon, 1878 — Spain, Corsica, Russia Micaria galilaea Levy, 2009 — Israel Micaria gertschi Barrows & Ivie, 1942 — USA, Canada Micaria gomerae Strand, 1911 — Canary Islands Micaria gosiuta Gertsch, 1942 — USA, Mexico Micaria gulliae Tuneva & Esyunin, 2003 — Russia Micaria guttigera Simon, 1878 — Portugal, Spain, France Micaria guttulata (C. L. Koch, 1839) — Palearctic Micaria icenoglei Platnick & Shadab, 1988 — USA Micaria idana Platnick & Shadab, 1988 — USA, Canada Micaria ignea (O. P.-Cambridge, 1872) — Canary Islands to Central Asia Micaria imperiosa Gertsch, 1935 — USA, Mexico Micaria inornata L. Koch, 1873 — Australia Micaria japonica Hayashi, 1985 — Russia, Korea, Japan Micaria jeanae Gertsch, 1942 — USA, Mexico Micaria jinlin Song, Zhu & Zhang, 2004 — China Micaria koeni (Bosmans, 2000) — Greece, Crete, Turkey Micaria kopetdaghensis Mikhailov, 1986 — Russia, Central Asia Micaria langtry Platnick & Shadab, 1988 — USA Micaria lassena Platnick & Shadab, 1988 — USA Micaria laticeps Emerton, 1909 — USA, Canada Micaria lenzi B?senberg, 1899 — Palearctic Micaria lindbergi Roewer, 1962 — Afghanistan Micaria logunovi Zhang, Song & Zhu, 2001 — China Micaria longipes Emerton, 1890 — North America Micaria longispina Emerton, 1911 — USA, Canada Micaria marusiki Zhang, Song & Zhu, 2001 — China Micaria medica Platnick & Shadab, 1988 — USA, Canada Micaria mexicana Platnick & Shadab, 1988 — Mexico Micaria mongunica Danilov, 1997 — Russia Micaria mormon Gertsch, 1935 — North America Micaria nanella Gertsch, 1935 — USA, Mexico Micaria nivosa L. Koch, 1866 — Europe to Kazakhstan Micaria nye Platnick & Shadab, 1988 — USA, Mexico Micaria otero Platnick & Shadab, 1988 — USA Micaria pallens Denis, 1958 — Afghanistan Micaria pallida O. P.-Cambridge, 1885 — Tajikistan Micaria palliditarsa Banks, 1896 — USA, Mexico Micaria pallipes (Lucas, 1846) — Canary Islands to Central Asia Micaria palma Platnick & Shadab, 1988 — USA Micaria palmgreni Wunderlich, 1979 — Finland Micaria paralbofasciata Song, Zhu & Zhang, 2004 — China Micaria pasadena Platnick & Shadab, 1988 — USA, Mexico Micaria porta Platnick & Shadab, 1988 — USA, Mexico Micaria pulcherrima Caporiacco, 1935 — India, Pakistan, Russia, China Micaria pulcherrima flava Caporiacco, 1935 — Karakorum Micaria pulicaria (Sundevall, 1831) — Holarctic Micaria punctata Banks, 1896 — USA Micaria riggsi Gertsch, 1942 — USA, Canada Micaria rossica Thorell, 1875 — Holarctic Micaria seminola Gertsch, 1942 — USA Micaria seymuria Tuneva, 2005 — Kazakhstan Micaria silesiaca L. Koch, 1875 — Palearctic Micaria siniloana Barrion & Litsinger, 1995 — Philippines Micaria sociabilis Kulczynski, 1897 — Central, Southern Europe, Russia Micaria subopaca Westring, 1861 — Palearctic Micaria tarabaevi Mikhailov, 1988 — Kazakhstan Micaria tersissima Simon, 1910 — Namibia Micaria triangulosa Gertsch, 1935 — USA Micaria triguttata Simon, 1884 — Spain, France, Algeria Micaria tripunctata Holm, 1978 — Holarctic Micaria tuvensis Danilov, 1993 — Russia, Kazakhstan, China Micaria utahna Gertsch, 1933 — USA Micaria vinnula Gertsch & Davis, 1936 — USA Micaria violens Oliger, 1983 — Russia Micaria xiningensis Hu, 2001 — China Micaria yeniseica Marusik & Koponen, 2002 — Russia Micaria yushuensis Hu, 2001 — China

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