. Bulletin - United States National Museum. Science. 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 tee
. Bulletin - United States National Museum. Science. 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).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of thes
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