Xysticus ulmi (Hahn, 1831)
Description
Male palp with short, bent tegular apophyses directed pliers-like toward each other. Tibial apophysis bipartite, ventral apophysis transverse and strongly bulged on outer edge. Retrolateral tapering off in ventral view, compact in lateral view. Embolus with stamp-like flattened tip. Epigyne oval with 2 protruding bulges. Vulva consists of 2 S-shaped bulges. Prosoma light brown to ochre, sometimes pale yellow, dorsally with triangle, flanked by light beige stripes, lateral dark brown-black bands. Male: similar, but darker patterned overall. Sternum round, yellow-brown or beige. Chelicerae frontally with bright or white transverse band and spines. Legs bright, yellow-brown to brown. Dorsally with irregular white longitudinal stripes, in addition partly distinctly dark patterned. Femur and patella I and II darker. Opisthosoma light brown to ochre, sometimes pale yellow, with folium consisting of light beige stripes, posteriorly with 3 bright transverse lines.
Body length male: 3.0-4.0 mmBody length female: 5.0-8.3 mm
Additional information
in damp and dry areas, mainly in shore vegetation and wetland, on low vegetation, from lowland up to alpine region
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
 |  |
Figures
Pedipalp
(Brændegaard 1966)
Pedipalp, ventral view
(Roberts 1995)
Pedipalp, ventral view
(Locket & Millidge 1951)
Pedipalp, ventral view
(Jantscher 2001a)
Pedipalp
(Heimer & Nentwig 1991)
Pedipalp
(Azheganova 1968)
Pedipalp, retrolateral view
(Jantscher 2001a)
Pedipalp, ventral view
(Løvbrekke unpubl.)
Tegular apophysis
(Dondale et al. 2006)
Palpal tibia, retrolateral view
(Løvbrekke unpubl.)
Epigyne
(Roberts 1995)
Epigyne
(Brændegaard 1966)
Epigyne
(Locket & Millidge 1951)
Epigyne
(Jantscher 2001a)
Epigyne
(Løvbrekke unpubl.)
Vulva
(Heimer & Nentwig 1991)
Vulva
(Azheganova 1968)
Vulva, dorsal view
(Jantscher 2001a)
Vulva
(Løvbrekke unpubl.)
Habitus
(Locket & Millidge 1951)
Habitus
(Azheganova 1968)
Distribution List
References
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