Two new species, Gnaphosa koponeni sp. n. (♂♀, Tuva, Russia) and G. tunevae sp. n. (♀, Mongolia) are described. New figures and distribution data are provided for G. gracilior Kulczyński, 1901, G. kansuensis Schenkel, 1963, G. mandschurica Schenkel, 1963, G. sticta Kulczyński, 1908, G. stoliczkai O. Pickard-Cambridge, 1885 and G. wiehlei Schenkel, 1963. Additional morphological evidence is prov...

The genus Apterogyna Latreille is reviewed from Egypt, based on specimens collected from Wadi Digla (Cairo), Saint Catherine (South Sinai) and those deposited in Egyptian and Italian insect collections as well as recorded data from the literature. Five Apterogyna species were previously recorded from Egypt: A. grandii Invrea, A. latreillei Klug, A. mickeli Giner Marí, A. mocsaryi André, and A. ...

An identification key to 63 species of Pratylenchus is given. A compendium of the most diagnostic characters to be used directly in identification of species is included as a practical alternative and supplement to the key. P. tenuis, P. similis, P. impar, P. ranjani, and P. neocapitatus are recognized as valid species on the basis of study of type specimens. P. hyderabadensis Singh &Gill, 1986...

Sea ice is a major driver of biological activity in the Southern Ocean. Its cycle growth and decay determines life history traits; food web interactions; populations many small, ice-associated organisms. The regional ocean modelling system (ROMS) for sea western Ross has highlighted two modes duration: fast-melting years when water temperature warms quickly early spring melts out mid-November, ...

The Corumbataí River drains an economically important area which is mainly represented by the municipalities of Piracicaba and Rio Claro. In view of the impacts caused by the discharge of industrial waste and domestic sewage into the Piracicaba River, the Corumbataí has become increasingly significant as a source of water for the municipality of Piracicaba. However, chemical, physical, and micr...

The Atlantic surfclam, Spisula solidissima (Dillwyn), is broadly distributed in sandy sediments of the western North Atlantic between the Gulf of St. Lawrence and the Gulf of Mexico. In the United States, a substantial commercial fishery between Long Island and Cape Hatteras harvests offshore populations of one subspecies, S. s. solidissima. A smaller coastal form, S. s. similis Say (also known...