POLKEPSILONEMA-MOMBASAE GEN ET SP-N AND PTERNEPSILONEMA-SERVAESAE GENET SP-N (NEMATODA, EPSILONEMATIDAE) FROM EAST-AFRICAN COASTS

Two new genera and species from Kenyan tidal areas, Polkepsilonema mom basae gen. et sp.n. and Pternepsilonema servaesae gen. et sp.n., are d escribed. Both are characterized by the presence of at least fourteen subcephalic setae and by thick thorns on the ventral body region of ma les. In the first genus, eight to ten subcephalic setae are situated a nterior to the amphid, and the ambulatory setae are bisinuous. In the second, the subcephalic setae are situated at the posterior edge of th e rostrum, and the ambulatory setae are straight.