368 
10. 
11. 
12. 
13. 
14. 
15. 
. Median cross-band narrower than the hyaline interstices ; 
DIPTERA. 
. Third basal (anal) cell of usual shape, forming a triangle . 
Third basal cell very elongate and pointed, reaching to near the hind 
border of the wing . 
. Wings yellowish, clouded with brown 
Wings hyaline, with three blackish cross-bands . 
Black species; four posterior femora black, rufous in the middle 
Rufous species ; four posterior femora rufous, with brown rings 
thorax 
black 
Median cross-band broader than the hyaline interstices ; 
rufous . 
. Black species; four posterior femora black or brown, with white 
rings . . . . . oe 
Rufous species (in C. munda the » abdomen and legs are partly black); 
four posterior femora rufous , with white rings, which often have 
a dark margin 
All the tarsi black . 
Front tarsi white . . . . . 
Wings with three blackish cross-bands, which a are extended to the 
hind border ; the intermediate and apical bands broad and sepa- 
rated by a semilunar transparent stripe; first posterior cell closed ; 
front tarsi with their joints 2-4 white . 
The cross-bands of the wings not reaching the hind order ; the 
first band often wanting or only indicated by a less distinet spot 
in the upper basal cell; first posterior cell not closed; front tarsi 
entirely white - . ee re 
Head and antenneze brown or blackish ; middle and hind femora 
white at the base See ee ee ee, 
Head and antenne rufous; all the femora white at the base . 
Wings with three cross-bands . 
Wings with two cross-bands soe ee . . 
Median cross-band not enlarged in the middle and not extended to 
the posterior cross-vein oe woe coe oe 
Median cross-band enlarged in the middle and covering the posterior 
cross-vein . Soe ee ee ee ee 
front femora not annulated; front tarsi 
with the first and second joints white; wings with narrow cross- 
bands . es 5 2 5 ws ew ew we tl ll ee 
Thorax with blackish dots; front femora annulated like the others ; 
front tarsi wholly white; wings with broad cross-bands 
Thorax uniformly rufous ; 
1. Calobata rubella, sp. n., 2. 
thorax 
9. 
7. 
8. 
plectilis, Gigl.-Tos. 
russula, v. d. Wulp. 
bracteata, v. d. Wulp. 
grata, v. d. Wulp. 
10. 
13. 
latifascia, v. d. Wulp. 
11. 
lunulata, v. d. Wulp. 
12. 
annulata, Fabr. 
conveniens, v. d. Wulp. 
14. 
15. 
ichneumonea, Brauer. 
munda, v. d. Wulp. 
callichroma, Bigot. 
stellata, v. d. Wulp. 
(Tab. TX. fig. 18, wing.) 
Shining rufous; abdomen, tarsi, and hind tibie brown; wings yellowish, the tip and a central spot slightly 
infuseated. 
Length 7 millim. 
