Xysticus luctuosus (Blackwall, 1836)
Description
Male
Palp female: strongly spined. Male: tegulum with 2 sclerotised folds. Tibial apophysis bipartite, a furcated, rather small, ventral apophysis and in lateral view massive retrolateral apophysis narrowing toward the tip. Embolus with claw-like, strongly sclerotised terminal part. Prosoma red-brown, brown to dark brown, roughly spotted. Female: with striking bright and dark moon-like spots. Male: posterior median eyes surrounded by yellowish rings. Sternum round to longish oval, white spotted, margin dark brown. Chelicerae weakly spined frontally. Legs dark brown, with irregular, white spots, legs appear smooth and shining, patella (in females femur to tibia) with bright longitudinal line, otherwise no longitudinal stripes but spots on leg segments. Opisthosoma light red-brown, with vague, dark folium and interrupted longitudinal stripes. Spinnerets brown.
Body length male: 4.0-5.0 mmFemale
Epigyne with typical sclerotised structures in posterior lateral area of grooves. Epigynal groove distinctly more slender posteriorly than anteriorly. Vulva with strongly widened entrance duct, connecting broadly and in slightly transverse course to the horizontally lying receptacula.
Body length female: 5.5-8.0 mmAdditional information
On the ground and in herbaceous layer of forests, partly in humid places, occurring from lowland to mountainous level
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp, ventral view
(Roberts 1995)
Pedipalp, ventral view
(van Helsdingen 1986b)
Pedipalp, ventral view
(Brændegaard 1966)
Pedipalp, ventral view
(Locket & Millidge 1951)
Pedipalp, ventral view
(Jantscher 2001a)
Pedipalp, retrolateral view
(Heimer & Nentwig 1991)
Pedipalp, retrolateral view
(Jantscher 2001a)
Pedipalp, ventral view
(Løvbrekke unpubl.)
Embolus
(Jantscher 2001a)
Tibial apophysis
(van Helsdingen 1986b)
Tibial apophysis, retrolateral view
(Løvbrekke unpubl.)
Habitus, dorsal view
(Løvbrekke unpubl.)
Epigyne
(Roberts 1995)
Epigyne
(Brændegaard 1966)
Epigyne
(Locket & Millidge 1951)
Epigyne
(Jantscher 2001a)
Epigyne
(Jantscher 2001a)
Epigyne
(Jantscher 2001a)
Epigyne
(Løvbrekke unpubl.)
Epigyne
(Versteeg 2024b)
Vulva
(Heimer & Nentwig 1991)
Vulva
(van Helsdingen 1986b)
Vulva, dorsal view
(Jantscher 2001a)
Vulva, dorsal view
(Jantscher 2001a)
Vulva, dorsal view
(Jantscher 2001a)
Vulva
(Løvbrekke unpubl.)
Vulva, dorsal view
(Versteeg 2024b)
Vulva, ventral view
(Versteeg 2024b)
Distribution List
"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.
References
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