408 
DIPTERA. 
at the inner side; the first vein beset with short bristles, and the third also from the base to the small 
cross-vein, which is placed on the middle of the discal cell. 
Hab. Mexico, Sierra de las Aguas Escondidas 7000 feet, and Omilteme 8000 feet, 
both in Guerrero (4. H. Smith). 
Several specimens of both sexes. 
5. Spilographa concolor, sp.n.,3 2. (Tab. XI. fig. 28, wing.) 
Rufous ; wings with fuscous spots; face retracted. 
Length 4 millim. 
Yellowish-rufous ; face and legs clearer. Front broader than the eyes, with parallel sides, slightly prominent ; 
face retracted ; inferior part of the cheeks half as high as the longitudinal diameter of the eyes. Antenne 
not fully reaching to the middle of the face. Scutellum with four rather long bristles. Anal appendices 
of the male brown; ovipositor of the female not infuscated. Wings hyaline, with fuscous spots; the 
stigma yellowish, brown at the tip; between the end of the first and second veins a costal spot; a rather 
large apical spot, which is convex on the inner side and sometimes indicated along the veins only; all the 
cross-veins and the origin of the third vein with a narrow border; an almost obsolete spot in the middle 
of the first posterior cell; a small adherent spot under the stigma is visible in the male, this being absent 
in the females; small cross-vein nearly on the middle of the discal cell; apparently no bristles on 
the veins. 
Hab. Mexico, Mexico city (H. H. Smith). 
One male and two female specimens. 
GEDASPIS. 
(Edaspis, Low, Europ. Bohrfliegen, p. 46 (1862). 
1. Gidaspis atra. (Tab. XI. fig. 29, wing.) 
(Edaspis atra, Liw, Berl. ent. Zeitschr. vi. p. 219*; Dipt. Amer. sept., cent. ii. no. 89°; Monogr. 
Dipt. N. Amer. iii. p. 256, t. 11. fig. 17°. 
Hab. Norta America!~?,—Mexico, Northern Sonora (Morrison). 
Four specimens (1 ¢, 3 2). 
RHAGOLETIS. 
Rhagoletis, Low, Europ. Bohrfliegen, p. 44 (1862). 
1. Rhagoletis striatella, sp.n.,¢. (Tab. XI. fig. 30, wing.) 
Black ; head, tibiee, and tarsi rufous; thoracic stripes, scutellum, and incisions of the abdomen whitish ; wings 
with three blackish cross-bands, the third prolonged to the tip and emitting an oblique branch to the 
posterior margin. 
Length 5-25 millim. 
Front rufous, as broad as the eyes, with nearly parallel sides; frontal bristles black, rather stout; face and 
cheeks pale rufous; face perpendicular ; oral margin broad, not prominent. Antenne rufous; third joint 
elliptic, slightly narrowed towards the tip, reaching to half the length of the face; arista brown, micro- 
seopically pubescent. Proboscis and palpi rufous. Thorax black, with two broad, whitish, dorsal stripes, 
and on each side a well-defined white stripe, the latter extending from the shoulders to the root of the 
wings ; scutellum white, with the base and a spot on each side black, and with four bristles. Abdomen 
