Czech Arachnological Society

Quadrate Calculation from Coordinates

Declaration and names of proposed categories of Redlist

Category according to IUCN 2001

RE CR EN VU NT LC DD NE
Regionally
extinct
Critically
Endangered
Endangered Vulnerable Near
Threatened
Least
Concern
Data
Deficient
Not
Evaluated

Proposal of Categories for Redlist of CR

RE CR EN VU NT LC
N
Nezvěstný
KO
Kriticky ohrožený
SO
Silně ohrožený
O
Ohrožený
TO
Téměř ohrožený
NO
Není ohrožený
CRITERIA OF CATEGORY
no finding more than 50 years few of localities, fixed on endangered and very rare biotops few of localities, fixed on endangered biotops more of localities, fixed on endangered biotops abundant species, fixed on natural biotops residual species
TYPICAL MEMBERS OF CATEGORY
Steatoda meridionalis
Gibbaranea ulrichi
Euryopis episinoides
Hylyphantes nigrinus
Phlegra bresnieri
Titanoeca tristis
Urozelotes rusticus
Pardosa maisa
Alopecosa psammophila
Eresus moravicus
Pardosa wagleri
Eresus sandaliatus
Atypus muralis
Arctosa cinerea
Arctosa perita
Arctosa maculata
Dasumia carpatica
Atypus piceus
Eresus kollari
Hygrolycosa rubrofasciata
Dolomedes fimbriatus
Arctosa lamperti
Dysdera ninni
Atypus affinis
Arctosa leopardus
Arctosa figurata
Arctosa lutetiana
Pirata piscatorius
Harpactea lepida
Dysdera hungarica
Dysdera lantosquensis
Pardosa agrestis
homepage sitemap general discussion searching e-mail print format
ARANEAE OPILIONES PSEUDOSCORPIONES SCORPIONES SCHIZOMIDA FOSSIL
flag CZ
CAS • news CAS • news CAS • news
updated   —   2025/10/18
© Czech Arachnological Society — 2025