Atypus, Latreille, 1804

Zhu, Ming-Sheng, Zhang, Feng, Song, Daxiang & Qu, Ping, 2006, A revision of the genus Atypus in China (Araneae: Atypidae), Zootaxa 1118, pp. 1-42 : 4-6

publication ID

https://doi.org/10.5281/zenodo.5778239

publication LSID

lsid:zoobank.org:pub:3E49DC9C-33E6-4F36-A32F-9FFAFF58C3CE

DOI

https://doi.org/10.5281/zenodo.5057777

persistent identifier

https://treatment.plazi.org/id/03F04F09-FFC2-FF9D-FEB0-6FC2B41D42CA

treatment provided by

Felipe

scientific name

Atypus
status

 

Key to Chinese Species of Atypus

1 Female (females of A. flexus and A. sinesis are unknown) ........................................... 2

– Male (males of A. ledongensis are unknown) ............................................................. 11

2 Fovea short, strongly recurved and chevron­shaped..................................................... 3

– Fovea wider, fairly straight and not chevron­shaped .................................................... 4

3 Median pair of receptacula digitiform ( Figs 19–20 View FIGURES 16–25 ); fourth pair of sternal sigilla kidney­shaped ( Fig. 18 View FIGURES 16–25 ) ............................................................................... A. heterothecus

– Median pair of receptacula pyriform, with relatively longer and thicker basal stalks ( Figs 102–105 View FIGURES 99–110 ); fourth pair of sternal sigilla almost top­shaped ( Fig. 101 View FIGURES 99–110 ) ................... ........................................................................................................ A. tibetensis sp. nov.

4 First pair of sigilla remote from anterior margin of sternum ........................................ 5

– First pair of sigilla close to anterior margin of sternum ................................................ 6

5 Labium lacking cuspules ( Fig. 70 View FIGURES 68–79 ); basal stalks of median pair of receptacula longer than two times of diameter of receptacula ( Figs 71–74 View FIGURES 68–79 ) .............. A. sacculatus sp. nov.

– Labium with cuspules ( Fig. 41 View FIGURES 39–49 ); basal stalks of median pair of receptacula shorter than diameter of receptacula ( Figs 42–43 View FIGURES 39–49 ) ...................................... A. largosaccatus sp. nov.

6 Median pair of receptacula situated at atrial margin ..................................................... 7

– Median pair of receptacula situated in posterior part of atrium .................................... 8

7 Anterior margin of carapace obviously wider than posterior part ( Fig. 50 View FIGURES 50–55 ); diameter of lateral pair of receptacula almost as long as its basal stalks ( Figs 53–55 View FIGURES 50–55 ) ...................... .................................................................................................... A. ledongensis sp. nov.

– Lateral margins of carapace almost parallel ( Fig. 111 View FIGURES 111–121 ); diameter of lateral pair of receptacula almost two times as long as its basal stalks ( Figs 114–116 View FIGURES 111–121 ) ........................ ............................................................................................................. A. yajuni sp. nov.

8 All four receptacula more or less equal in size, basal stalks indistinct ( Figs 90–92 View FIGURES 87–98 )...... ................................................................................................................ A. suiningensis

– All receptacula not equal in size, with obvious basal stalks ......................................... 9

9 Basal stalks of median pair of receptacula shorter than diameter of receptacula, lateral patches of pores on atrium larger ( Figs 29–33 View FIGURES 26–38 ) ............................................... A. karschi

– Basal stalks of median pair of receptacula longer than diameter of receptacula, lateral patches of pores on atrium smaller.............................................................................. 10

10 Receptacula larger, their diameters almost equal or slightly larger than diameters of lateral patches of pores on genital atrium ( Figs 59–62 View FIGURES 56–67 ) ............. A. pedicellatus sp. nov.

– Receptacula smaller, with its diameter only 2/5 diameters of lateral patches of pores on genital atrium ( Fig. 54 View FIGURES 50–55 ) .................................................................... A. baotianmanensis

11 Fovea strongly recurved and chevron­shaped; upper distal corner of conductor slightly extruding and far from tegular process ( Figs 108–110 View FIGURES 99–110 ) ................. A. tibetensis sp. nov.

– Fovea otherwise........................................................................................................... 12

12 Upper distal corner of conductor close to tegular process in prolateral view ............. 13

– Upper distal corner of conductor far from tegular process in prolateral view ............ 14

13 Upper distal corner of conductor rounded and not pointed in retrolateral view ( Fig. 25 View FIGURES 16–25 ); sternum longer than wide ( Fig. 22 View FIGURES 16–25 ) ................................................. A. heterothecus

– Upper distal corner of conductor triangular and pointed in retrolateral view ( Fig. 38 View FIGURES 26–38 ); sternum wider than long ( Fig. 35 View FIGURES 26–38 ) ................................................................... A. karschi

14 Conductor wide and fan­like ( Figs 8–9 View FIGURES 1–9 ) ........................................... A. baotianmanensis

– Conductor relatively narrow and not fan­like ............................................................. 15

15 Upper distal corner of conductor not folded downwards to cover embolus ............... 16

– Upper distal corner of conductor folded downwards to cover embolus ..................... 17

16 Lateral margins of carapace almost parallel; sternum wider than long ( Fig. 111 View FIGURES 111–121 ); lower distal corner of conductor triangular ( Figs 120–121 View FIGURES 111–121 ) .......................... A. yajuni sp. nov.

– Anterior part of carapace wider than posterior part ( Fig. 80 View FIGURES 80–86 ); sternum longer than wide ( Fig. 82 View FIGURES 80–86 ); lower distal corner of conductor finger­like ( Fig. 84 View FIGURES 80–86 ) .................... A. sinensis

17 First pair of sigilla remote from anterior margin of sternum ...................................... 18

– First pair of sigilla close to anterior margin of sternum .............................................. 20

18 Conductor short, with its base wide and upper distal corner covered basal part of embolus ( Figs 13–15 View FIGURES 10–15 ) ........................................................................... A. flexus sp. nov.

– Conductor relatively longer, its base narrow and its upper distal corner covered distal part of embolus............................................................................................................ 19

19 First pair of sigilla round ( Fig. 45 View FIGURES 39–49 ); upper distal corner of conductor lacking notch on folded part, lower distal corner of conductor long ( Figs 47–48 View FIGURES 39–49 )..................................... ................................................................................................. A. largosaccatus sp. nov.

– First pair of sigilla kidney­shaped ( Fig. 76 View FIGURES 68–79 ); upper distal corner of conductor with notch on folded part, lower distal corner of conductor short ( Figs 78–79 View FIGURES 68–79 )..................... ...................................................................................................... A. sacculatus sp. nov.

20 Upper margin of conductor almost straight in prolateral view, lower distal corner finger­like ( Fig. 96 View FIGURES 87–98 ) ..................................................................................... A. suiningensis

– Upper margin of conductor distinctly curved, lower distal corner triangular ( Fig. 66 View FIGURES 56–67 ) .. .................................................................................................... A. pedicellatus sp. nov.

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Atypidae