DIPTERA. 461 
Hystricia ambigua (p. 13). 
To the localities given, add :—Mexico, Amula, Xucumanatlan, Omilteme, Sierra de 
las Aguas Escondidas, Atoyac (H. H. Smith). 
Hystricia pollinosa (p. 14). 
_ To the localities given, add:—Mexico (coll. Bellardi), Amula, Xucumanatlan, and 
Teapa (H. H. Smith), Yucatan (Gaumer). 
Hystricia soror (p. 15). 
To the localities given, add :—Muxico, Navarrete, Tepic (Schumann), Amula, 
Xucumanatlan, Omilteme, and Sierra de las Aguas Escondidas in Guerrero, Fortin in 
Vera Cruz (H. H. Smith), Tuxpango (coll. Bellardt). 
Hystricia amena (p. 16). | 
' There is a male and a female of this species from Mexico in the collection of 
Prof. Bellardi. 
Hystricia micans (p. 16). 
To the localities given, add :—Mexico, Omilteme and Xucumanatlan in Guerrero 
(H. H. Smith), Tuxpango (coll. Bellardi). 
The female from Xucumanatlan differs from the others in the more obscure 
- coloration of the antenne and the legs. 
Hystricia abrupta (p. 17). 
Hystricia fulvida, Bigot, Bull. Soc. Ent. Fr. 1887, p. cxxxix’; Ann. Soc. Ent. Fr. 1888, p. 797. 
To the localities given, add :—Mexico, Rinconada (Schaus). 
Bigot’s type of H. fulvida was from North America °. 
Hystricia dorsalis (p. 17). 
To the localities given, add:—Mexico, Xucumanatlan in Guerrero 7000 feet 
(H. H. Smith). 
Two males and one female. 
Hystricia pyrrhaspis (p. 18). 
To the localities given, add:—Mexico (coll. Bellardi), Atoyac in Vera Cruz 
(Schumann, H. H. Smith), Jalapa (M. Trujillo). 
14. Hystricia albosignata. 
Hystricia albosignata, v. d. Wulp, Tijdschr. voor Ent. xxxv. p. 190'. 
BIOL. CENTR.-AMER., Dipt., Vol. II., May 1908. 30 
