On Insects from New Mexico. 333 



XLir.^ — Contrihutiona from the New Mexico Biological Station. 

 — XI. New and little-known Insects from New Mexico. 

 By T. D. A. COCKERKLL. 



Coccidae. 



Aspidiotus gi'aminellusy sp. n. 



? . — Scale sliglitly convex, about 1 millim. diam., white, 

 with pale yellow exuvite, which are covered, and surmounted 

 by a white boss, 



cJ . — Scale white, elongate, .7^/av^w-like in outline, convex, 

 shiny, not in the least keeled, witii the wholly covered pale 

 yellow exuvia at one end. 



? . — Yellow ; after boiling in potash colourless, mouth- 

 parts and caudal end remaining brown ; anal oritice oval, 

 about 21 yu- long and 3G /a from buses of median lobes ; dorsal 

 glands comparatively tew, in four longitudinal rows on each 

 side; no circumgenital glands; three pairs of lobes, the 

 median ones largo, rounded, well apart; second and third 

 lobes low and broad, the inner side perjjendicular, the outer 

 long and gently sloping, the apex rounded ; chitinous thick- 

 enings at the bases of the lobes. 



Embryo in female about 280 /x long. 



Hab. On leaves of grass, producing purple blotches ; Las 

 Vegas, N. M., Jan. 6, 1901 ; first found by Wilmatte P. 

 Cockerell. 



The scale is quite after the manner of A. GutlerrezicB, but 

 the female insect is different, it ditfers from Gatierrezice in 

 the rounded, wide apart, median lobes, the much larger blunt 

 second and third lobes, and the dorsal glands, whicii are (ew 

 and in rows, instead of being numerous and scattered. The 

 anal orifice in Gutierrezioi is scarcely 12 /* long. 



Orthezia occidentalism Douglas. 



Beulah, N. M., jNIarch 11)00; common on a very damp 

 hillside. New to New Mexico. 



Antonina graminis, Parrott. 



Las Vegas, N. M. ; on grass, limestone-ledges by the 

 Gallinas Kiver, Jan. 12, lUOl (IK F. cfc T. D. A. CklL). 

 Kew to New Mexico. 



Ann. d& Mag. N, Hist. Ser. 7. Vol. vii. 23 



