Results 31 to 40 of about 391 (137)
A geographical distribution database of the genus Dysdera in the Canary Islands (Araneae, Dysderidae) [PDF]
The ground-dweller spider genus Dysdera shows very high species richness on the oceanic archipelago of the Canary Islands, providing one of the most outstanding examples of island radiation among spiders, only paralleled by Tetragnatha spiders on the ...
Arnedo Lombarte, Miquel Àngel +4 more
core +1 more source
Abstract Pholcidae (Haplogynae) encompasses 967 described species, of which only 14 have been cytogenetic analyzed. Several chromosomal features have already been described including presence of meta- and sub-metacentric chromosomes and sex determination chromosome system (SDCS) of the X, X1X2Y, and X1X2 types, which contrast with the telo- and ...
Oliveira, Rosângela Martins +3 more
openaire +3 more sources
Nanofibrils are considered the universal building blocks of spider silks. In this work, the thinnest natural spider silk nanofibrils are imaged, measured, and mechanically tested for the first time. Gaining insight into the mechanics of silk at the nanoscale is important.
Jacob Silliman +2 more
wiley +1 more source
Chromosomal studies of two spider species of Pholcidae (Araneae: Haplogynae) [PDF]
Pholcidae (Haplogynae) is the most diverse family which comprises 1,241 taxonomically defined species, of which only 19 have been cytogenetically analyzed. The two pholcids species, Crossopriza lyoni (Blackwall 1867) and Artema atlanta (Walckenaer 1837)
Arunkumar Sreeramulu, ., Jayaprakash, .
core
Descriptions of new genera and species of South African spiders [PDF]
The present paper contains descriptions of 4 new genera and 62 new species of South African Spiders contained in the Collection of the South African Museum.
Purcell, William Frederick
core
Primera descripción del macho de Oonops nigromaculatus Mello-Leitão, 1944 (Araneae: Oonopidae) con la redescripción de la hembra y nuevos registros [PDF]
The male of Oonops nigromaculatus Mello-Leitão 1944 is described for the first time and the female is redescribed from recently collected specimens.
González, Alda +2 more
core +1 more source
The male of Oonops nigromaculatus Mello-Leitão 1944 is described for the first time and the female is redescribed from recently collected specimens.
Cristian J. Grismado +2 more
doaj
Abstract Two specimens of a new spider from the Cretaceous (ca. 129 Ma) El Montsec Fossil-Lagerstatte, northeastern Spain, are described as Montsecarachne amicus gen. et sp. nov. and referred to the extant haplogyne family Plectreuridae. Plectreurids are found today in only in the southwestern USA, Mexico, Central America and Cuba, but fossils show a ...
openaire +2 more sources
Dürer's Rhinoceros and the prey of Eresus cinnaberinus (OLIVIER) (Araneae: Eresidae) [PDF]
The first rhinoceros of the post-roman era reached Europe in 1513. Albrecht DÜRER, who had not seen the animal himself, made a woodcut that contained several odd features. This woodcut determined the appearance of rhinoceroses for the next two centuries.
Walter, Jakob E.
core
Assessment of user needs of primary biodiversity data: Analysis, concerns, and challenges [PDF]
A Content Needs Assessment (CNA) survey has been conducted in order to determine what GBIF-mediated data users may be using, what they would be using if available, and what they need in terms of primary biodiversity data records.
Ariño, Arturo H. +2 more
core +4 more sources

