137- 



Genus Lonfgidorus Micoletzky, 1922 

 (Key to the species) 



1. Body leng:th 3 "8 mm or more. 2 



Body length less than 1mm 9 



2. Ovaries two 3 



Ovaries one ........... monohystera Altherr, 1953 



3. Tail somewhat conoid, longer than anal body diameter , [j 



Tail hemispherical, bluntly rounded, shorter than anal body diameter 



9 a • • 



I4. Lip region expanded 5 length over 5 mm 



..... elongatus (de Man, I876) Th, & Swang., 1936 



Lip region continuous j length under 5 nim. „ 5 



5. Body slender, a = 120-130 striola Merzheewska.la, 19^1 



Body wider, a = 88 sylphus Thome, 1939 



60 Lip region set off by constriction 7 



Lip region not set off in any manner. . tardicauda Merzheewskaja, 1951 



7. Body length over 11.0 mm, . maximus (Butschli, I87U) Th. & Swang., 1936 

 Body length under 60O mm. ...... 8 



8. Tail very short, c = 212 j body length 5.8 mm 



.......... georgiensis Tulaganov, 1937 



Tail not as short, c = 9U-111; body length 3.8 - U.O 



nudus Kirjanova, 1951 



9. Body with ni;imerous papillae in cervical region and on the tail 

 multipapillatus Stekhoven & Teunissen, 1938 



