439 



LiMNOBIA CALOPUS, FoGlH. 



Fusca ; caput subtus canum ; antennm nigrce, pilosce, selacecB, sub- 

 monilifonnes, tliorace multo breviores ; latera pectusque cana ; ab- 

 domen cano fascialum, apicc rtifescens ; pedes nigri, dense piibes- 

 centes ; femora alba, fusco bifasciata ; tibia alba bifasciatce ; alee 

 subcinerece, fusco subtrifasciata. 



Brown. Antennae black, pilose, setaceous, suTimonilifovm, much 

 shorter ihan 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, 

 thickly pubescent to the tip of the tarsi ; femora white, with two brown 

 bands near the tips ; tibiae with two white bands. Wings very slightly 

 grayish; veins brown, tawny at the base ; forks of the veins and trans- 

 verse veiulets clouded with brown, which hue forms three imperfect and 

 irregular bands. Halteres whitish, with brown knobs. Length of the 

 body 8 lines ; of the wings 14 lines. 



South America. 



Div. n. 



Structure of the wing-veins much like that of Div. F. Meig. Dipt. i. 

 126, pi. 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 Ihe hind side of the dis- 

 cal areolet near the base of the latter, and the above-mentioned veinlet 

 is longer than the part of the subanal vein between it and the border of 

 the wing. 



LiMNOBIA TENEBROSA, MaS. 



Atra ; antenna setacece, subpubescentes, non moniliformes, thorace 

 multo breviores; pedes longi, sat validi ; alee nigricantes, slrigis 

 nonnullis subliinpidis. 



This species much resembles L. nigra, Wied., but the latter is 

 described as having the wings yellowish at the base. Deep black. An- 

 tennae setaceous, minutely pubescent, not moniliform, much shorter than 



3 M 



