178 



BULLETIN 140, UNITED STATES NATIONAL MUSEUM 



minating in it having a mushroom-like appearance. Four pairs of 

 preanal papillae, 2 pairs of asymmetrical postanal, and a group of 

 8 small sessile papillae immediately anterior to caudal extremity. 



Female 14 mm. long by 325/x wide. Tail 360/i long. Vulva (fig. 

 248c) 8 mm. from posterior extremity. Eggs elliptical, 32/i, long by 

 20/u wide, embryonated at maturity. 



Life history. — Unknown; probably involving insects as interme- 

 diate hosts. 



Distribution, — Europe and Africa (Algeria). 



Fig. 248. — Habronema leptoptera. a, Head, lateral view ; b, receptacle 



SEMINALE, JOINING OVIDUCT WITH UTERUS ; C, OVEJECTOR. AFTER SEURAT, 



1914 



HABRONEMA LONGISTRIATA (Molin, 1859) Gendre, 1922 



Synonyms. — Spiroptera longistriata Molin, 1859, in part; Gheilo- 

 spirura longistriata (Molin 1859) Diesing, 1861, in part. 



Hosts. — Primary : Pious campestris and P. jumana; secondary : 

 Unknown. 



Location. — Proventriculus. 



Morphology. — Habronema (p. 172) : Body rolled in spiral. Head 

 (fig. 249a and b) with 2 wedge-shaped lateral lips, each lip with 

 3 notches on its inner surface and 3 sharply pointed teeth on its 

 outer surface, and in addition 3 large papillae. Dorsal and ventral 

 lips each with a sharp tooth; 4 submedian papillae. Lateral alae 

 wide. 



Male 6 to 9 mm. long by 200/* wide. Caudal alae (fig. 249c) wide, 

 symmetrical. No unpaired papilla anterior to cloacal aperture. In 

 other respects bursa apparently like that of H. inansioni (p. 179). 



Female 10 to 16 mm. long by 400 to 500^ wide. Anus remote 

 from caudal apex. Vulva in posterior part of body. 



Life history. — Unknown; probably involving insects as interme- 

 diate hosts. 



Distribution, — South America (Brazil). 



