NEMATODE PARASITES OF BIRDS 

 HABRONEMA MANSIONI Seurat, 1914 



179 



Synonyms. — Spiroptera longistriata Molin, 1850 in part.; Cheilo- 

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



Hosts. — Primary: Buteo vulgaris and Picus grammicus. Possibly 

 also in Milvus korschwm; secondary: Unknown. 



Location. — Proventriculus. 



Morphology. — Hah rone ma (p. 172) : Body robust, with wide trans- 

 verse striations; lateral alae on anterior half of body. Cervical 

 papillae far anterior to nerve ring. Mouth (fig. 250 a) with 2 large 

 lateral lips with 4 small teeth; dorsal and ventral lips prolonged in 

 middle by a sharp point. 



Male 9 to 11 mm. long by 315/* wide. Tail (fig. 250 b) straight. 

 An unpaired papilla on left side of body 500/* anterior to origin of 



Fig. 249. 



-Habronema longistriata. a, Head, ventral view ; b, head, front 

 view ; c, male tail. After Drasche, 1884 



caudal alae. Alae slightly asymmetrical, elongate (840/*). Each ala 

 composed of a dorsal part finely striated transversely, and a part 

 curved over the ventral face, with longitudinal striations. Four pairs 

 of pedunculated preanal papillae. 1 unpaired sessile papilla on the 

 left side of anterior edge of cloacal aperture, and 2 pairs of postanal 

 papillae of which the first pair is remarkably asymmetrical ; in addi- 

 tion at the caudal extremity a group of 8 very small papillae. Spi- 

 cules unequal, 680/* and 315/t long. Gorgeret present. 



Female 13 to 17 mm. long by 400/* wide. Tail 240/* long. Vulva 

 (fig. 250 c) very small, situated slightly anterior to middle of body. 

 Ovejector like that of //. leptoptera (p. 17G). Eggs 28/* long by 19/* 

 wide, embryonated when oviposited. 



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

 diate hosts. 



Distribution. — South America (Brazil) and Europe (Corsica). 



