Evaluation of prey for the spider Dicymbium brevisetosum

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Argenna prominula TULLGREN, 1948 (Figs 1, 2) Material: 3 ♂♂ (IGEB): Buryatia, Kurumkansky Distr., Balan-Tamur Lake, larch forest, 1200 m, 16 July 1995, S. Danilov; 18 ♂♂ (IGEB): Chita Area, Kyrinsky Distr., Sokhoninsky Reserve, Verkhny Bukukun locality, larch forest, 1600 m, 21 July 1990, S. Danilov. Distribution: Holarctic range. Dictyna alaskae CHAMBERLIN ET IVIE, 1947 (Figs 3, 4) Material: 1 ♂ (IGEB): Irkutsk Area, Slyudyansky Distr., Baikalsk, birch forest, 14 July 1983, S. Didorenko. Distribution: Holarctic range. In South Siberia, the species has been known in Tuva only (LOGUNOV et al., 1998). Dictyna dahurica sp.nov. (Figs 5, 6) Type locality: Russia, Chita Area, Duldurginsky Distr., Toktchin Vill., steppe. Type material: Holotype. 1 ♀ (ZMMU): Chita Area, Duldurginsky Distr., Toktchin Vill., steppe, 16 July 1997, Ts. Damdinova. Description: Female. Carapace 1.1 long, 0.8 wide, light brown. Abdomen 2.2 long, 1.5 wide, with typical pattern for ‘major’ group. Legs light brown. Epigyne as in Figs 5 and 6. Male unknown. Distribution: Chita Area (Russia). Etymology: The species is named after the traditional name of the southern part of the Chita Area «Dahuria». Diagnosis: D. dahurica sp. nov. differs from the all known Palearctic Dictyna species by the internal structure of its epigyne (Fig. 6), it has narrow receptacula without any widening. Dictyna dunini sp.nov. (Figs 7, 8) Type locality: Russia, Buryatia, environs of Ulan-Ude, grassland. Type material: Holotype. 1 ♀ (ZMMU): Buryatia, environs of Ulan-Ude, grassland, 12 June 1996, S. Rudykh. Paratypes. 1 ♀ (IGEB), Irkutsk Area, Slyudyansky Distr., Baikalsk, birch forest, 14 June 1983, S. Didorenko; 1 ♀+ (ZMMU), Buryatia, environs of Ulan-Ude, mixed forest, 11 October 1995, S. Rudykh; 1 ♀ (IGEB), Buryatia, Kurumkansky Distr., Dzherginsky Reserve, Dzhirga locality, mixed forest, 17 June 1995, S. Danilov. Description: Female. Carapace 0.85-1.05 long, 0.7-0.8 wide. Abdomen 1.4-1.75 long, 0.9-1.2 wide. Abdomen light grey, anterior part of half of abdomen with an oblong dark stripe. Epigyne as in Figs 7-8. Distribution: Irkutsk Area, Buryatia (Russia). Etymology: The new species is named after the Russian arachnologist Pyotr Dunin. Diagnosis: The species is close, judging by the internal structure of its epigyne, to D. uvs MARUSIK ET KOPONEN, 1998, but differs by the shape and sclerotisation of its epigyne openings. 38
Figs 1-7. 1-2 Argenna prominula TULLGREN: (1) male palp, ventral view, (2) tibia of male palp, dorsal view; 3-4 Dictyna alaskae CHAMBERLIN ET IVIE: male palp, ventral (3) and lateral (4) view; 5-6 Dictyna dahurica sp.nov.: epigyne, ventral (5) and dorsal (6) view; 7 Dictyna dunini sp.nov.: epigyne, ventral view. Scale lines=0.1 mm. 39
Page 1 and 2: Ekológia (Bratislava) Vol. 19, Sup
Page 3 and 4: negatively to spider fitness in a m
Page 5 and 6: Cumulated number of eggsacs per fem
Page 7 and 8: from females reared on Normal flies
Page 9 and 10: on offspring size was not measured
Page 13 and 14: Dysdera gamarrae FERRÁNDEZ, 1984 D
Page 15 and 16: Araneus grossus (C. L. KOCH, 1844)
Page 17 and 18: Zodarion viduum DENIS, 1937 PRODIDO
Page 19 and 20: Synageles venator (LUCAS, 1836) Tal
Page 21: BLAUWE, R., 1980: Revision de la fa
Page 24 and 25: made on the specimen of October 19
Page 26 and 27: 34 Fig. 4. Distribution map of Neme
Page 28 and 29: Acknowledgements I would like to th
Page 32 and 33: Figs 8-16. 8 Dictyna dunini sp.nov.
Page 34 and 35: Dictyna paramajor sp.nov. (Figs 9-1
Page 36 and 37: References DANILOV, S.N., 1994: Cri
Page 38 and 39: Introduction Flemish forests have b
Page 40 and 41: T a b l e 1. List of sampled forest
Page 42 and 43: T a b l e 2. (cont.) 50 Species No.
Page 44 and 45: T a b l e 3. Values of the physico-
Page 46 and 47: impression that, according to the f
Page 48 and 49: These results were compared with or
Page 50 and 51: MAELFAIT, J.-P., BAERT, L., JANSSEN
Page 52 and 53: Fig. 1. Geographic division of the
Page 54 and 55: Number of species 62 140 120 100 80
Page 56 and 57: the mountains compared with the low
Page 61 and 62: is beyond the scope of this paper.
Page 63 and 64: T a b l e 1. Synapomorphies of Hapl
Page 65 and 66: a problem with using this term sinc
Page 67 and 68: part in Solifugae and Pseudoscorpio
Page 69 and 70: Acknowledgements I thank Bill Shear
Page 73 and 74: Figs 1-11. Eusimonia divina, male [
Page 75 and 76: Figs 13-19. Eusimonia turkestana, m
Page 77 and 78: Eusimonia birulai (ROEWER) BIRULA,
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al., 1996). Especially in these fra
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The interpretation of the banding p
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Two different measures were used to
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DE WOLF, H., BACKELJAU, T., VERHAGE
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Ekológia (Bratislava) Vol. 19, Sup
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cally-controlled design patterns an
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presence of previously-spun lines (
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a web, and tested the effects of th
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HIGGINS, L., 1995: Direct evidence
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T a b l e 1. Characterisation of th
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Table 2. (cont.) Species Red Data L
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A 0/Z 0 30/Z 30 50/Z 50 100/ Z 100
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Discussion With a total of 97 speci
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OTTO, H.-J., 1994: Waldökologie. U
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Fig. 1. Comparison of most abundant
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Discussion A spider community is a
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Fig. 1. Map of Central Europe with
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T a b l e 1. Main staining affiniti
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Fig. 2. Oblique section of the ante
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2 ). The basic histological structu
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Excretory duct Lycosa tarentula. Th
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ARVY, L., 1966: Données histochimi
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Electron Microscopy for two species
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Figs 1-4. Brazilobothriurus pantana
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Fig. 15. Map showing the location o
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Variability of characters in paraty
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ottle. Higher quality flies (called
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Fig. 1. Specific consumption [mg pr
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Evaluation of prey for the spider Dicymbium brevisetosum

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