DIPTERA, 437 
b) LIMNOBIA BITERMINATA, Fam. 
Fulva ; antenne fusce, setacee, pilose, submoniliformes, basi fulve ; 
abdomen fuscum, basi fulvum ; pedes testacei, longi, graciles ; ale 
subcineree, venis fuscis, venulis transversis apud costam nebulosis ; 
halteres testacei. 
Tawny. Antenne brown, setaceous, pilose, submoniliform, tawny at 
the base, not half the length of the thorax. Abdomen brown, tawny at 
the tip. Legs testaceous, long, slender. Wings very slightly grayish ; 
veins brown, testaceous at the base; transverse veinlets towards the 
costa clouded with brown. Halteres testaceous. Length of the body 6 
lines; of the wings 10 lines. 
United States. 
Div..n. 
Structure of the wing-veins much like that of Div. N. Meig. Dipt. i. 
133, pl. 6, f.5, but the petiole whence spring the radial and cubital 
veins forms a right angle and emits the stump of a vein near its base, 
and the veinlet between the third externo-medial vein and the subanal 
is nearer the middle of the hind side of the discal areolet, which is as 
long as the second externo-medial vein. 
Limnosia 1GNnonitis, Fem. 
Cinerea ; caput antice fulvum ; palpi et antenne nigra, basi fulva ; 
antenne setacee, non moniliformes, thorace multo breviores ; thorax 
fusco trivittatus ; latera pectusque cana ; abdomen subtus fulvum, 
apice rufescens ; pedes fulvi; ale subcineree, venulis transversis 
_ fusco subnebulosis. 
Cinereous. Head tawny in front. Palpi and antenne black, tawny 
at the base. Antenne setaceous, not moniliform, much shorter than the 
thorax. Thorax with three brown stripes; sides and pectus hoary. 
* Abdomen tawny beneath, reddish at the tip; oviduct rather long. Legs 
tawny; tarsi blackish? Wings grayish ; veins black, tawny at the base ; 
transverse veinlets slightly clouded with brown. Halteres tawny. 
Length of the body 54 lines; of the wings 12 lines. 
s i 
North America. 
