; 
7 
ee ee ae * ale A ig as ae ‘ _ —-. 
DIPTERA. 439 
4 
Limnosia caLopus, Fam. i 
Fusca ; caput subtus canum; antenne nigre, pilose, setacew, sub- 7 
moniliformes, thorace multo breviores; latera pectusque cana; ab- : 
domen cano fasciatum, apice rufescens ; pedes nigri, dense pubes- ‘ 
centes; femora alba, fusco bifasciata; tibie albo bifasciate; ale ‘ 
subcinerea, fusco subtrifasciate. ‘ 
Brown. Antenne black, pilose, setaceous, submoniliform, much 
shorter than the thorax. Head hoary beneath and about the eyes. 
Thorax with three dark brown stripes; the middle one much in advance . 
of the lateral pair; sides and pectus hoary. Abdomen with a hoary 
band on the hind border of each segment; tips reddish. Legs black, P 
thickly pubescent to the tip of the tarsi; femora white, with two brown 
bands near the tips; tibie with two white bands. Wings very slightly be 
grayish; veins brown, tawny at the base; forks of the veins and trans- 
verse veinlets clouded with brown, which hue forms three imperfect and ¢ 
irregular bands. Halteres whitish, with brown knobs. Length of the a 
body 8 lines ; of the wings 14 lines. 3 
South America. 
Div. n. 
Structure of the wing-veins much like that of Div. F. Meig. Dipt. i. 
126, pl. 6, f. 3, but the first externo-medial vein is not forked, the discal 
areolet is not twice longer than broad, the transverse veinlet between the 
third externo-medial vein and the subanal joins the hind side of the dis- 
cal areolet near the base of the latter, and the above-mentioned yeinlet 
is longer than the part of the subanal vein between it and the border of 
the wing. r 
Ss 
~ ee F 
LimMNosia TENEBROSA, Mas. 
Atra; antenne setacew, subpubescentes, non moniliformes, thorace ‘ 
multo breviores ; pedes longi, sat validi; ale nigricantes, strigis 
nonnullis sublimpidis. 
This species much resembles Z. nigra, Wied., but the latter is 
described as having the wings yellowish at the base. Deep black. An- . 
tenn setaceous, minutely pubescent, not moniliform, much shovter than " 
3M 
