22 Mr. T. D. A. Cockerell — Descriptions and 



third and fourth jo : nts palely fuscous ; lateral areas of corium 

 and the cuneus pale ochraceous; membrane pale fuliginous, 

 the margins pale ochraceous ; body beneath and legs ochra- 

 ceous intermediate and posterior tibia? finely spotted with 

 black' the spiuules black ; structural characters as in generic 

 diagnosis. 



Length 3 mm. 



Bab. Ceylon ; Peradeniya (Green). 



IV. — Descriptions and Records of Been. — XXIV. 

 By T. D. A. Cockerell, University of Colorado. 



Ashmeaditlla howardi, sp. n, 



? . — Length about 5| mm. 



Similar to A. gilletiei, Titus, but smaller, the femora and 

 tibiae entirely black; ventral scopa white; tegulse amber- 

 c 'lour ; fifth and aixth dorsal abdominal segments pruino.se, 

 with fine white hair. The first three abdominal segments 

 are red, the rest black, abruptly contrasting ; the abdominal 

 hair-bands are white and distinct. 



£ . — Resembles the female, but flagellum black beneath, 

 and first three abdominal segments red only at sides. The 

 end of the abdomen has the usual four teeth ; the median ones 

 quite long and pallid, the lateral triangular and oblique. 

 The wings are slightly dusky. 



Hob. ? (=type), San Gabriel Mrs., Los Angeles County, 

 California, 3000 feet, June 16, 1909 (F. Grinnell, Jr.); 

 £, Pasadena, California, May 31, 1909 (F. Grinnell, Jr.). 



This is evidently the species discovered by Dr. L. O. 

 Howard at La Mesa, California, in April 1898, referred to by 

 Mr. Titus in Proc. Entom. Soc. Washington, vol. vi. p. 100. 



Alcidamea grinnelli, sp. n. 



? . — Like A. simplex (Cresson), except that the mesothorax 

 is much more regularly and evenly punctured, the tegulaj are 

 pellucid testaceous, and the wings are darker, especially in 

 the region about the stigma. Mandibles tridentate; flagellum 

 ferruginous beneath; ventral scopa white ; first r. n. entering 

 second s.m. about as far from base as second from apex. The 

 eyes are pale brownish and much narrower than in A.shmead- 

 iella meliloti (Ckll.). 



Bab. San Gabriel Mts., near Pasadena, California, 1750 

 feeV July 15, 1909 (F. Grinnell, Jr.).- • 



