CALOBATA. 371 
~ insertion of the antenne ; third antennal joint short-ovate; arista black, with microscopical pubescence. 
Thorax, scutellum, pleure, and metanotum rufous; thoracic dorsum with an indistinct brown line. 
Abdomen pale rufous, the sides and the fourth and fifth segments blackish; the curved coniform hypo- 
pygium of the male, and two small appendages on the underside of the fourth segment, rufous; ovipositor 
of the female rufous, with a black tip. Legs rufous; the first pair with the tips of the femora and the 
whole of the tibiee black, and the tarsi entirely white; the middle and hind pairs with two brown rings 
on the femora—one behind the middle and the other near the tip, and the tarsi infuscate. Halteres 
yellow. Wings yellowish-grey ; a curved brownish cross-band starts from the end of the second veln and 
extends to the inner side of the posterior cross-vein, but does not reach the small cross-vein ; the tip of 
the wing is broadly bordered with pale brown. First vein very near the auxiliary vein and ending in 
the costa some distance before the small cross-vein; end of the second vein a little beyond the posterior 
cross-vein; small cross-vein on the middle of the discal cell; posterior cross-vein perpendicular and 
straight ; third basal cell triangular. 
Hab. Mexico, Omilteme in Guerrero 8000 feet (7. H. Smith). 
Six specimens, including both sexes. 
7. Calobata bracteata, sp.n., 2. (Tab. 1X. fig. 23, wing.) 
Black; head, prothorax, middle and hind legs rufous ; fore legs black ; first joint of the fore and hind tarsi 
. white ; wings with three blackish bands. 
Length 7 millim. 
Head dark rufous; front with two shining bluish-black spots: ocellar dot black, surrounded by a whitish 
dust; a narrow white margin to the orbits. Antenne brown; third joint elliptical, longer than the 
basal joints ; arista nearly bare. Proboscis thick, rufous. Thorax black, with some metallic reflections, 
the shoulders rufous; scutellum velvety-black ; pleure and metanotum steel-blue. Abdomen shining 
black, the hind borders of the segments sometimes with whitish reflections. Coxe black, with white 
reflections ; fore legs brownish-black, with the first joint of the tarsi white ; middle and hind legs rufous, 
the middle tarsi brownish, the first joint of the hind tarsi white, the following joints black; hind femora 
with a longitudinal groove on the outer side. Halteres brown. Wings hyaline, with three blackish 
cross-bands, the first and second traversing the discal cell before and behind the small cross-vein, and 
somewhat faded towards the hind border, the third band forming a border at the tip of the wing; media- 
stinal cell distinct ; end of the first vein before the small cross-vein, that of the second nearly above the 
posterior cross-vein; small cross-vein on the middle of the discal cell; third basal cell triangular. 
Hab. Mexico, Vera Cruz (H. H. Smith). 
Three female specimens. 
8. Calobata grata, sp.n., ¢ 9. (Lab. IX. fig. 24, wing.) 
Rufous ; base of the tarsi and two rings on the middle and hind femora whitish; wings with three blackish 
cross-bands, the median band enlarged in the middle and covering the posterior cross-vein. 
Length 6°5-8 millim. 
Head flesh-coloured ; sides of the front and face white; front with several grooves; ocellar dot shining black, 
before it a velvety-black spot; a similar spot on each side between the orbits and the root of the antenne ; 
face with two transverse grooves ; sides of the occiput shining brown, with blue reflections. Antenne 
rufous; third joint elliptical ; arista bare. Preboscis thick, dark brown. Thorax, pleura, scutellum, and 
abdomen rufous; in some specimens the thoracic dorsum shows an indistinct brownish transverse band ; 
the pleure beneath the shoulders and the metanotum have a whitish-grey reflection ; borders of the 
abdominal segments whitish ; the furcate organ of the male genitalia rather short; ovipositor of the 
female elongate, pointed, yellow, beneath and towards the tip shining black. Legs rufous; middle and 
hind femora with two narrow white rings—one at the base, the other beyond the middle; first join of 
the front tarsi white, the base of the other tarsi also whitish. Halteres brown. Wings hyaline; the 
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