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Bulletin of the Brooklyn Entomological Society Vol. XVI 



some hairs on lateral edge, small aperture visible between 

 prongs; accessory plate elongate, linear, and flat-tubular; 

 posterior claspers as in catalina; penis specific, but very simi- 

 lar to that of aldrichi. 



Described from 2 male specimens. 



Range. — Arizona (holotype) — New Mexico: Hell Canyon, 

 Sept. 19, 1916, 7,200 ft. (C. H. T. Townsend). 



The copulatory organ of this species is practically the same as 

 that of 6^. aldrichi n. sp. The latter is much the smaller species. 



Sabinata aldrichi n. sp. Figures 10 to 14. 



Holotype (male) : U. S. N. M. Length: 8 to 9 mm. 



The male of this species is very similar to that of 5". arisonica. 

 The penes are much alike, but aldrichi is a much smaller species. 

 In aldrichi the slender bristles on lower part of gena near lower 

 eye orbit are in a row, not grouped; there are three pairs of 

 scutellar marginals instead of at least four ; the upward extension 

 of the anal area is less prominent; the forceps prongs are more 

 slender and the fifth ventral plate is diagnostic '(see figure 12). 



Described from 3 male specimens. 



Range. — California — Los Angeles County, July, 2 (^ (holo- 

 type) ; Mt. Lowe, July 3, 1917, i ^ (J. M. Aldrich). 



List of Figures. 



Fig. I. 6^. catalina n. sp., posterior view of anal segments, show- 

 ing anal area and greater width of first segment. 



Fig. 2. S. catalina n. sp., profile view of genital segments: note 

 shape of second segment. 



Fig. 3. 5'. catalina n. sp., profile view of accessory plate and 

 forceps prong. 



Fig. 4. 6^. catalina n. sp., claspers. 



Fig. 5. S. catalina n. sp., penis. 



Fig. 6. S. arisonica n. sp., posterior view of anal area, forceps 

 and accessory plates. 



Fig. 7. 5'. arisonica n. sp., fifth ventral plate. 



Fig. 8. vS". arisonica n. sp., accessory plate, profile view. 



Fig. 9. 6'. arisonica n. sp., anterior clasper. 



Fig. 10. 5. aldrichi n. sp., claspers. 



Fig. II. >S. aldrichi n. sp., penis. 



Fig. 12. S. aldrichi n. sp., fifth ventral plate. 



