436 SUPPLEMENT. 
behind the suture shining black; pleurs black, with whitish reflections; scutellum rufo-piceous, with the 
_ base black. Legs black; coxw with white reflections; base of the middle and hind femora rufous ; hind 
tibia on the distal two-thirds with a broad black fringe; foot-claws and pulvilli elongate, the claws with 
black tips. Tegule brownish. Wings with the black coloration not reaching the end of the discal and 
apical cells; at the end of the costa yellowish, interrupted by the dark border of the third vein; small 
cross-vein beyond the middle of the discal cell; apical cell closed and shortly petiolated ; apical cross- 
vein straight ; posterior cross-vein slightly curved. 
Hab. Mexico 1, Omilteme in Guerrero 8000 feet (H. H. Smith). 
A single male specimen. 
6. Trichopoda squamipes. (Tab. XII. figg. 7, ¢; 7a, head.) 
Trichopoda squamipes, v. d. Wulp, Tijdschr. voor Ent. xxxv. p. 184°. 
Thorax black, with yellow humeral spots and two yellow stripes; scutellum and abdomen yellowish-rufous ; 
legs partly rufous; wings black, with the hind margin subhyaline. 
Length 8 millim. 
Front velvety-black, narrower than the eyes; face silvery-white, Antenne dark rufous, the basal joints and 
the anterior border of the third joint brown; the third joint twice as long as the second. Proboscis 
black ; palpi brown or somewhat rufous. Thorax anteriorly velvety-black, with yellow humeral spots, 
two yellow lines on the disc and a narrow yellow border on the transverse suture; behind the suture 
the thorax is shining black; pleure black, with whitish reflections; scutellum yellowish-rufous. Legs 
rufous, the cox with white reflections, the tibia brown towards the tip; hind tibiz on the distal two- 
thirds with a long black fringe; foot-claws and pulvilli slightly elongate, yellow, the claws with black 
tips. Tegule yellowish, brown at the base; halteres brown. Wings with the black coloration not 
filling the whole apical and discal cells and at the end of the costa showing a tendency to become yellow ; 
small cross-vein a little beyond the middle of the discal cell ; apical cross-vein nearly straight ; posterior 
cross-vein slightly curved. 
Hab. Mexico!, Xucumanatlan and Omilteme in Guerrero (H. H. Smith). 
Two males. ‘This species much resembles 7. alipes, except that the abdomen is 
rufous, instead of black, and the rufous colour of the legs is more extended. 
7. Trichopoda nigripes. 
Trichopoda nigripes, v. d. Wulp, Tijdschr. voor Ent. xxx. p. 184°. 
Black ; face and lateral borders of the front greyish-white; thorax anteriorly with yellow tomentum and 
black stripes; abdomen rufous, with black tips; wings black or dark brown, with the hind-border 
subhyaline. 
Length 6 millim. 
Front of the female a little broader than that of the male; frontal band velvety-black, emitting on both sides 
a shining black line, which extends to behind the vibrisse. Antenne piceous, the inner side of the third 
joint reddish. Palpi rufous, very small and thin, clavate towards the tip. The yellow tomentum on the 
thoracic dorsum forms a transverse stripe before the suture and a humeral spot, the stripe emitting three 
lines; the surface behind the suture is entirely black, as is also the scutellum and metanotum. Abdomen 
elliptical ; the black colour of the apex is not sharply defined anteriorly. Legs black, in some specimens 
piceous, and in these the base of the hind femora is reddish ; the black fringe of the hind tibie is placed 
on their apical half and is about as long as the breadth of the tibie. Tegule and halteres yellowish. 
Wings with the dark coloration sometimes of a reddish-brown tint, or even with traces of a yellow stripe 
(as in 7’. pennipes), the dark portion well defined, extending inferiorly beyond the fifth vein and reaching 
the posterior transverse veins. 
