Roncus radgost n. sp., R. jarevid n. sp., and R. crnobog n. sp.: Three new cave dwellers from eastern Serbia (Neobisiidae, Pseudoscorpiones)

three new termite species from iran microcerotermes varaminicus sp. n. amitermes iranicus sp. n. and amitermes kharrazii sp. n. ( isoptera : termitidae , termitinae)

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گزارش 3 گونه موریانه جدید از ایران Microcerotermes varaminicus sp. N. Amitermes iranicus sp. N. and Amitermes Kharrazii sp. N. Isoptera:Termitidae,Termitinae

Kazhdan Constants and Matrix Coefficients of Sp ( n , R )

An infinitesimal Kazhdan constant of Sp (2,R) is computed. The methods used to prove this can also be employed to determine a quantitative estimate of the asymptotics of the matrix coefficients of Sp (n,R) in an elementary manner. An application of the result gives explicit Kazhdan constants for Sp (n,R), n ≥ 2.

Aphelenchoides microstylus n. sp. and Seinura onondagensis n. sp. (Nemata: Aphelenchina) from New York.

Aphelenchoides microstylus n. sp. and Seinura onondagensis n. sp., a nematode predator, are described from dead Scots pine (Pinus sylvestris L.) in Onondaga County, New York. Females of A. microstylus are 370 to 485 microm long. The body is slender and tapers posteriorly to an amucronate, pointed terminus. The head is continuous with the body, and lips bear a stylet guide. Diagnostic characters...

Anuretes grandis sp . n . ,

A new species of caligid copepod (Siphonostomatoida), Anuretes grandis sp. n., parasitic on the painted sweetlips [Diagramma pictum (Thunberg)] in Taiwan is described. The new species is distinguished from its congeners by having: (1) free margin of cephalothorax not covering fourth pediger, (2) large genital complex longer than 2/3 of the cephalic shield, (3) no maxillary whip, (4) leg 3 with ...