The first record of Ostearius melanopygius (O. Pickard-Cambridge, 1879) and genus Ostearius Hull, 1911 (Araneae: Linyphiidae) in Egypt - El-Hennawy, H. K.; Mohafez, M. A.; El-Gendy, A. A.; Zaher, I. A. I. (Serket, 2016)