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Volume 36 (1988)
- Issue 2 Pages 79-
- Issue 1 Pages 1-
Volume 36, Issue 2
Displaying 1-5 of 5 articles from this issue
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James C. COKENDOLPHER, Robert W. SITES1988 Volume 36 Issue 2 Pages 79-85
Published: 1988
Released on J-STAGE: March 29, 2007
JOURNAL FREE ACCESSA new species, Schizomus oculatus, is described from West Java, Indonesia. This species is the first schizomid recorded from Java and the fifth member of the order reported with eyes. Two other species of schizomids, Trithyreus claviger and an unidentified Schizomus sp., are also newly recorded from Java.View full abstractDownload PDF (509K) -
GEETHABALI, K. P. RAJASHEKHAR1988 Volume 36 Issue 2 Pages 87-92
Published: 1988
Released on J-STAGE: March 29, 2007
JOURNAL FREE ACCESSThe concentration of major ions (mM/l) in haemolymph of the whip scorpion, Thelyphonus indicus STOLICZKA, were found to be Na+=222.6, K+=14.24, Ca2+=12.50, Mg2+=7.52 and Cl-=235.16. The pH of haemolymph was found to be 7.60. Based on these values the saline formula was established as follows: NaCl =13.00g/l, KCl=1.06g/l, CaCl2=1.38g/l, MgCl2=1.52g/l. The pH was adjusted to 7.60 with 0.2M Tris-HCl buffer. The suitability of the prepared saline for neurophysiological studies has been tested.View full abstractDownload PDF (314K) -
II. THE GENUS TROCHOSA C.L. KOCHHozumi TANAKA1988 Volume 36 Issue 2 Pages 93-113
Published: 1988
Released on J-STAGE: March 29, 2007
JOURNAL FREE ACCESSThe following 7 Japanese species of the genus Trochosa are dealt with: Trochosa terricola THORELL, T. ruricola (De GEER), T. aquatica TANAKA, T. robusta (SIMON), T. spinipalpis (F. CAMBRIDGE), T. joshidana (KISHIDA), and T. vulvella (STRAND). Among them, 5 species are herein redescribed in detail with notes on their biology and a key to them is provided. But the two species, T. joshidana and T. vulvella, are excluded from the redescriptions, because I have been unable to examine them until now.View full abstractDownload PDF (1841K) -
Akira SHINKAI1988 Volume 36 Issue 2 Pages 115-119
Published: 1988
Released on J-STAGE: March 29, 2007
JOURNAL FREE ACCESSThe web silk theft by Argyrodes cylindratus was observed. A female of A. cylindratus sneaked into the orb-web of Araneus ventricosus and consumed 17 threads of sticky spiral in 50 minutes. During silk theft sneaker did not steal insect prey ignored by the host.
Although A. cylindratus is generally known as a kleptoparasite that steals prey caught or ignored by the host, it may sometimes steal some sticky silk from the host web.View full abstractDownload PDF (430K) -
Ichiji TOGASHI, Jun-ichiro TAKA1988 Volume 36 Issue 2 Pages 121-131
Published: 1988
Released on J-STAGE: March 29, 2007
JOURNAL FREE ACCESSSpiders of 62 species belonging to 13 families were found in paddy fields in Ishikawa Prefecture. But Pardosa pseudoannulata, Pirata clerki, Enoplognatha japonica, and Coleosoma octomaculatum were not found in the paddy fields. Spider faunas were different on four surveying areas. But the difference in spider fauna was rather small. The spider communities in paddy fields were divided into two groups, namely, canopy habitat type spider community (CHTSC) and under-part habitat type spider community (UHTSC). Each type spider community is divided again into two subcommunities, namely, snarer and hunter subcommunities. Spiders of snarer subcommunity of CHTSC in plain area were fewer than those in piedmont area. Similar phenomenon was observed in spiders of hunter subcommunity of UHTSC in paddy fields of plain and piedmont areas.View full abstractDownload PDF (1083K)
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