mORphoLOGy

1.      Rhabditiform  (first stage larvae)

                    I.            About 0. 25 mm long

                  II.            Relatively short muscular eosophagus ending in an enlarged bulb.

2.      Female Filariform  (third stage)

                                I.            About 2.5mm long and 0.55mm in breadth

                              II.            Thin and transperant

                            III.            Long osephagus of uniform width.

                            IV.            Notched tail tip

3.      In free living phase

                                I.            Female is 1mm long

                              II.            Male is 0.7mm long