400 
DIPTERA. 
second is rather broad, covering the end of the mediastinal cell, and reaching with its outer side to the 
small cross-vein ; the third borders the posterior cross-vein, narrowly at the inner side and broadly at 
the outer side; the second and third cross-bands fully reach the hind margin of the wing; the third is 
connected at the costa with the fourth cross-band, which forms a rather broad border at the tip of 
the wing. 
Hab. Mexico, Atoyac in Vera Cruz (H. H. Smith). 
Three male specimens. 
The following species of Ortalinz have also been recorded from Mexico or Central 
America :— 
Rhopalomera pleuropunctata, Wiedem. Aussereur. zweifl. Ins. ii. p. 572; Gigl.-Tos, 
Mem. R. Accad. Sci. di Torino, ser. 2, xlv. (sep.) p. 43.—Mexico and 
S. America. 
Rhinotora diversa, Gigl.-Tos, Mem. R. Accad. Sci. di Torino, ser. 2, xlv. (sep.) 
p. 43, figg. 25, 26.—Mexico. ; 
Platystoma mexicanum, Gigl.-Tos, 1. c. p. 46, fig. 24.—Mexico. 
Ortalis platystoma, Thomson, Dipt. Eugenie’s Resa, p. 572 (belongs to the genus 
Huxesta, see antea, p. 397).— Panama. 
—— ligata, Say, Journ. Acad. Phil. vi. p. 83; Complete Writings, i. p. 368; 
Low, Monogr. Dipt. N. Amer. iii. p. 197 (may also belong to Huesta, or, 
according to Léw, to Rivellia).—Mexico. 
Paragorgopis maculata, Gigl.-Tos, Mem. R. Accad. Sci. di Torino, ser. 2, xlv. 
(sep.) p. 41, fig. 12.—Mexico. 
Myennis scutellaris, Wiedem. Aussereur. zweifl. Ins. ii. p. 484 (Zrypeta); Low, 
Monogr. Dipt. N. Amer. i. p. 92, t. 2. figg. 26, 27, iii. p. 143; Gigl.-Tos, 
Mem. R. Accad. Sci. di Torino, ser. 2, xlv. (sep.) p. 39.—Mexico. 
Bricinnia flexivitta, Walk. Trans. Ent. Soc. Lond. n. ser. v. p. 57; Gigl.-Tos, Ll. c. 
p. 45.—Mexico. 
Bricinniella cyanea, Gigl.-Tos, 1. c. p. 45.—Mexico. 
Pterocalla obscura, Wiedem. Aussereur. zweifl. Ins. ii. p. 499 (Trypeta); Gigl.-Tos, 
l. c. p. 41.—Mexico. 
bella, Gigl.-Tos, 1. c. p. 39.—Mexico. 
Macrita costalis, Gerst. Stett. ent. Zeit. xxi. p. 197, t. 2. figg. 10, 10a; Léw, 
Monogr. Dipt. N. Amer. iii. p. 111, t. 8. fig. 14; Bigot, Bull. Soc. Ent. Fr. 
1877, p. cxxxii; Gigl.-Tos, 1. c. p. 39.—Mexico. 
CGidopa elegans, Gigl.-Tos, 1. c. p. 42.—Mexico. 
Acrosticta scrobiculata, Low, Berl. ent. Zeitschr. xi. p. 293, t. 2. fig. 5; Gigl.-Tos, 
l.c. p. 42.—Mexico and Brazil. 
