Kvadráty: 5645 6050 5949
  Nálezy podle období
Eresidae 0-19001901-19501951-20002001-2018
Eresus sandaliatus (Martini & Goeze, 1778) Kriticky ohrožený 1x 6x 7x

Eresus sandaliatus (Martini & Goeze, 1778)

České jménostepník černonohý
Stupeň ohroženíKriticky ohrožený
Nálezy7 nálezů, 3 kvadrátů
První nález 1959, J. Buchar, Řezáč in litt.
Poslední nález 2017
Areál rozšířeníEuropean - ME [Boh.]
Fytogeografická oblastThermo
Původnost stanovišťclimax
Vlhkost stanovišťvery dry
StratumGround layer
Osvětlení stanovišťopen, semi-open
Hojnost výskyturare
Nadm. výška300-480


© Ota Zimmermann

Ladybird spiders (Eresus spp.) have attracted scientific interest since the 18th century, but taxonomical knowledge of the genus is unsatisfactory. Early classification based on colour and size variation divided European Eresus into numerous species. These were later lumped into one predominant morphospecies, Eresus niger/E. cinnaberinus, which could be found from Portugal to Central Asia. Here, we perform a major revision of Eresus from northern and central Europe using morphological, phenological, habitat, distribution and molecular data. Three species, Eresus kollari, Eresus sandaliatus and Eresus moravicus sp. n. were distinguished. The name E. niger (originally Aranea nigra) cannot be used as the name A. nigra was used for a previous spider species. The name E. cinnaberinus is considered a nomen dubium. The three species differ in size, colour pattern, shape of prosoma and copulatory organs, phenology, and have slightly different habitat requirements. No morphologically intermediate forms were recorded. In contrast to distinct morphology and phenology, the genus is genetically complex. Genetically, the mitochondrial haplotypes of Eresus sandaliatus and Eresus moravicus sp. n. are monophyletic, whereas those of Eresus kollari are paraphyletic. Eastern central European Eresus kollari is likely a hybrid lineage between Eresus sandaliatus and the monophyletic western central European Eresus kollari. Because eastern and western European Eresus kollari are morphologically and phenologically indistinguishable, we did not formally split them. However, detailed population-based research in the future may partition Eresus kollari into additional species.


Dle měsíce v roce

Dle nadmořské výšky

Dle metody sběru (4 použitých nálezů)
Eresus sandaliatus (Martini & Goeze, 1778) CRSamciSamiceMláďataNálezy
Individuální sběr4203
Zemní past3001

Dle biotopu (3 použitých nálezů)
Eresus sandaliatus (Martini & Goeze, 1778) CRSamciSamiceMláďataNálezy
skalní stepi na jiných horninách1202
travnaté stepi3001

Česká arachnologická společnost © 2008-2019