Siler collingwoodi

Baba, Y. G., 2010, A new record of Siler collingwoodi (Araneae: Salticidae) from Japan, Acta Arachnologica 59, pp. 17-19 : 1-19

Siler collingwoodi (O. Pickard-Cambridge, 1 871)

[

Japanese name∶ Karaοbi-haetοri]

( Figs. 1 -6) Salticius collingwoodi Ο. Pickard-Cambridge 1 8 71, pp. 61 7, 621 [ma 1 e hο 1 οtype frοm Hοng Kοng preserved in Οxfοrd].

Maevia co ll ingwoodi∶ Τhοre 11 1 8 92, p. 474.

Cosmophasis co ll ingwoodi∶ S imοn 1 901, p. 5 49.

Si l er co ll ingwoodi∶ Prószynski 1 98 5, pp. 75 -77. figs. 24-29; S οng & Chai 1 991, p. 1 4, figs. 3 A-D; S οng, Ζhu, & Chen 1 999, p. 5 5 8, figs. 3 1 5 J, 3 1 6 A.

Specimens examined. A 11 the specimens were cο 11 ected by A. Τanikawa in Iriοmοteϳima Is. , Οkinawa Pref., Japan. 1 ♀, 24 -vIII- 1 987 ( NSMΤ-Ar 8558 ), Funaura ; 1 ♀, 1 1 -vIII- 1 985 ( NSMΤ-Ar 8559 ) , 1 ♂, 1 6 - vIII- 1 988 ( NSMΤ-Ar 8560 ), Sοnai ; 1 ♂, 3 -v- 1 984 ( NSMΤ-Ar 8561 ) , 1 ♀, 1 -Iv- 1 985 ( NSMΤ-Ar 8562 ) , 1 ♂, 1 6 -vIII- 1 985 ( NSMΤ-Ar 8563 ), Kοmi ; 1 ♀, 3 0- XII- 1 986 ( NSMΤ-Ar 8564 ) , 1 ♀, 1 9 - vIII- 1 988 ( NSMΤ-Ar 8565 ), Οtοmi ; 1 ♂, 27 -III- 1 985 ( NSMΤ-Ar 8566 ) , 1 ♂, 1 5 -vIII- 1 987 ( NSMΤ-Ar 8567 ), Οhara .

Description. Based οn the Japanese specimens 1 ♂ (NSMΤ-Ar 8560), 1 ♀ (NSMΤ-Ar 8565), measurements in parentheses indicate the range amοng specimens used in this paper. Bοdy 1 ength∶ ♂ 3.65 (3. 06-4.47), ♀ 4. 59 (4. 59-4. 94). Carapace 1 ength∶ ♂ 1. 88 (1. 69-2. 3 1), ♀ 2.25 (2. 1 9 - 2.25). Carapace width∶ ♂ 1. 3 1 (1. 1 9 - 1.63), ♀ 1. 56 (1. 56-1. 69).

Eye fie 1 ds (Τhe fο 11 οwing abbreviatiοns are used∶ ALE, anteriοr 1 atera 1 eye; AME, anteriοr median eye; PLE, pοsteriοr 1 atera 1 eye; PME, pοsteriοr median eye. Τhe distances between eyes are expressed as fο 11 οwing. e.g. ALE-AME.) Eye fie 1 ds. ALE-ALE∶ ♂ 1. 1 1 (0. 94-1.29), ♀ 1. 26 (1. 26 - 1.29). PLE-PLE∶ ♂ 1.20 (1. 06-1.40), ♀ 1. 40 (1.40 - 1 49). ALE-PLE∶ ♂ 0. 83 (0.74-1. 00), ♀ 0. 91 (0. 91 -1 .00). ALE- PME∶ ♂ 0.43 (0. 3 4 - 0.49), ♀ 0.49 (0. 49-0.54). ALE-PLE l carapace 1 ength∶ ♂ 0. 44 (0. 43 -0. 46), ♀ 0. 41 (0. 41 -0.46). ALE-ALE l PLE-PLE∶ ♂ 0. 93 (0.88 -0. 93), ♀ 0.90 (0. 87-0.90). AME diameter∶ ♂ 0. 3 4 (0.29-0. 40), ♀ 0. 3 7 (0. 3 7 - 0. 40). ALE l AME ∶ ♂ 0. 63 (0.54-0. 63), ♀ 0. 62 (0. 57-0. 64). ALE l PLE∶ ♂ 1 .00 (0. 86-1. 00), ♀ 1. 00 (0. 94-1. 00). PME l PLE∶ ♂ 0. 29 (0. 1 9 - 0. 29), ♀ 0. 25 (0. 22-0. 25).

Length οf 1 egs as shοwn in Τab 1 e 1.

Ma 1 e pa 1 p. Embο 1 us 1 οng, bent sidewards and then bending again and running anteriοrwards, s 1 ight 1 y undu 1 ating ( Figs. 1 -2). Bu 1 bus a 1 mοst square with rοund ang 1 es, with angu 1 ar pοsteriοr extensiοn and sma 11 ventra 1 prοtuberance in its anteriοr ha 1 f. Τibia 1 apοphysis s 1 ight 1 y bending.

Fema 1 e genita 1 ia. Epigynum and interna 1 genita 1 ia οf fema 1 e as shοwn in Figs. 3 -4.

Cο 1 οratiοn and markings. Ma 1 e. Carapace basica 11 y red, cοvered with b 1 uish meta 11 ic hairs; marginated with white hairs. Areas surrοunded by eyes dark. Leg I∶ tibia, pate 11 a and femur dark brοwn; and tarsus 1 ight brοwn. Leg II-Iv 1 ightbrοwn.Dοrsumοfabdοmencοveredwithsi 1 verhairs, exceptfοrcharacteristicredmarkingandb 1 ackbands(Fig. 5).

Fema 1 e.Cο 1 οratiοnandmarkingssimi 1 artοthοseοf ma 1 e( Fig. 6).

Variation.Cο 1 οratiοnandmarkingsarehigh 1 yvariab 1 e withthedegreeοfhair 1 οss.

Distribution.Japan(IriοmοteϳimaIs.)andChina(Hοng Kοng,Hainan).

Remarks.Si l erco ll ingwoodicanbeeasi 1 ydistinguished frοmtheοtherJapaneseϳumpingspidersbythegenera 1 ap- pearanceandgenita 1 mοrphο 1 οgy.