37. 



Family HOPLOUBaDAR (Filipj., l9Ui) Wieser, 1953 

 (Key to the subfamilies) 



1. Females swollen 2 



Females not swollen 3 



2. Females swollen, pear to lemon-shaped; males with short bluntly 



rounded tail, anus subterminal. . . . HETERODERINAE Skarbilovich, 19147 P. 37 

 Females saccate to reniform, preserving some elongate tendencies; male 

 tails conoid, anus not subterminal NACOBBINAE Chitwood, 19^0 P. 37 



3. Females with one ovary PRATYLENCHINAE Thorne, 19)49 P.h6 



(Contains one genus, Pratylenchus Filipj., 19314) 

 Females with two ovaries HOPLOLAIMINAR Filipj ev, I9UI P.h7 



Subfamily HETERODERINAE Skarbilovich, 19U7 

 (Key to the genera) 



1. Vulva equatorial Meloidodera Chitwood, Hannon & Esser, 1956 



(Contains one species M. floridensis Chit,, Hannon & Esser, 1956) 

 Vulva terminal 2 



2. Female body forming cyst; body packed with eggs 



Heterodera Schmidt, 1871 P. 38 



Female body not forming cyst; body not packed with eggs 

 Meloidogyne Goeldi, 1887 P.ij5 



Subfamily NACOBBINAE Chitwood, 1950 

 (Key to the genera Chitwood, 1950) 



1. Female with one ovary Nacobbus Thome & Allen, I9U4 P. 37 



Female with two ovaries .... Rotylenchulus Linford & Oliveira, I9U0 

 ( Contains one specie^j R. re'nij'or/n is" Linford & Oliveira, I9I4O) . 



Genus Nacobbus Thorne and Allen, 19UU 

 (Key to species after Thome and Schuster, 1956) 



1. Adult female anteriorly spheroid or ovate, then slender, elongated; 

 infective female with vulva-anus distance equal to about three times 

 the tail length; male tail about one and one-half times as long as 



anal body diameter dorsalis Thorne and Allen, I9I4U 



Adult female soindle- shaped or irregular in form; infective female 

 with vulva-anus distance one to two times the tail length; male tails 

 about as long as anal body diameter 2 



2. Adult female with strongly developed median bulb and corpus; infective 

 female with vulva-anus distance about equal to tail length and with 

 phasmids near middle of tail. . bataiformis Thorne and Schuster, 1956 

 Adult female without strongly developed median bulb and corpus; in- 

 fective female with vulva-anus distance twice tail length, and 

 phasmids near tenninus. aberrans (Thorne, 1935) Thorne and Allen, 19U'4 



