U6. 



Genus Pratylenchus I'ilipjev, 193h 

 (Key to the species from Sher &. Allen, 193'3) 



1, Lip re.^ion ijith 2 annules (l striation) 2 



lap region ijith 3 or h annules (2 or 3 striations). $ 



2, Lateral marsin of lips angular 



brachyuru s (Godfrey, 1929) Filipj. 2c Stakh., 19iil 



Lateral raarsin of lips rounded 3 



3, Body long and slender (L=0.1i-0,7, a =25-l-|0), males numerous , 



coffeae (Zimmerman, I898) Filipj., 8: Stekh.,19hl 



Body sliort and stout (L=0. 3-0.67, a =13-26), males rare U 



h. Vulva (=V) at 75-80 per cent scribneri Steiner, 19ii3 



Vulva at 80-88 per cent , minyus Sher & Allen, 19i>3 



5. Striations around terminus of tail, .. 



pratensis (de Man, I880) Filipjev, 193U 



No striations around terminus of tail 6 



6. ^ter margins of cephalic framexjork prominent, extending posteriorly 



about two body annules; tail bluntly rounded 



thome i Sher & Allen, 1953 



Outer margins ox cephalic framework normal, . 7 



7. Vulva 68-76 per cent; tail tapering to narrow rounded terminus, . • 8 

 Vulva 78-8U per cent 9 



8. Three annules on lip region; males absent zeae Graham, 19^1 



Four annules on lip region; males numerous « goodeyi Sher St .Ulen, 1953 



9. Postuterine branch short, length about equal to body width at vulva; 

 tail broadly rounded, , penetrans (Cobb, 1917) Filipj, & Stekh., 19i|l 

 Postuterine branch long, two or three times body width at vulva; tail 

 tapering to narrow rounded terminus . . vulnus Allen and Jensen, 1951 



Species Inquirendae: 



P, sacchari (Soltwedel, I888) Filipjev, 1936 

 Dolichodorus heterocercus Kreis, 1930 



Other species: 



P, coffeae brasiliensis Lordello, 1956 

 £► neglectus (Rensch , .192!4) Loof , 1957 



_P, pratensis bicondatus Heyl, 1953 

 P. pratensis tenuistriatu s Meyl, 1953 



P, tvunidiceps Merzheyevakaya, 1951 



