85. 



S-nbfainily hM^BIX'TAIMINA^ Hhitwoo.d, ly.^^l 

 (Key to the genera) 



1. Stoma with 3 minute outwardly acting teeth. Syrin,';olaiin\i5 de Man, 1883 

 Stoma without teeth ...» Phabdolaimus de Man, 1880 



Subfamily HALIPLEGTINAE Chitwood, 1951 

 (Key to the genera modified from Cobb, 1935) 



1. Latei*al alae present ... Aplectus Cobb, 191il 



Lateral alae absent 2 



2. Median bulb present Haliplectus Cobb, 1913 P. ^35 



Median bulb absent 3 



3. Head constricted at cephalic setae Polylaimium Cobb, 1920 



Head not constricted at cephalic setae . Linolaimus Cobb, 1933 



Genus Haliplectus Cobb, 1913 

 (Key to species from Chitwood, 1956) 



1. Amphids slightly more than 1 head diameter back from anterior 



extremity 2 



Amphids distinctly more than 1 head diameter back from anterior 

 extremity 3 



2. Only female known, 1.9 mm. long (amphids 2/5 as wide as head, inter- 

 rupt 5 annules conicephalum Cobb, in Chitwood, 1956 



Only male known, 1.0 mm long .... dorsalis Cobb, in Chitwood, 1956 



# 



3. Male with 6 preanal supplements 



.floridensis Cobb, in Chitvrood, 1956 



Male with no preanal supplements. pellucidus Cobb, 1913 



Male with h preanal supplements , ^ , bickneri Chitwood, 1956 



