76 
following is by Macquart, in Ann ales Soc. Entomol. France, 
p. i >( .)4: 1845: Siphona dnerea 1 Meigen, System. Besch. Eur. 
Zweif.'Ins., Vol. IV, p. 156; 1824. The following is by Rondani 
in Dipt. Italicae Prod., Vol. Ill, p. 1<>, 1859, and is repeated by 
Schiner: Siphona nigrovittata and analis Meigen, System. Besch. 
Enr. Zweif. Insekten, Vol. IV, p. 157; 1824. Syphona persilla 
Desvoidy, Essai sur les Myod., p. 9:>; 1830. Syphona tris- 
tis Desvoidy. Ann ales Soc. Entomol. France, p. 203; 1850. 
Syphona fusdcornis and consimilis Desvoidy. Ioc. cit., p. 205. 
The following' is by the writer: Siphona illinoiensis Townsend, 
Trans. Amer. Ent. Soc. Vol. XVIII, p. 368; December, 1891. 
Siphona sp., Brauer and Bergenstamm in Utt.)..geniculata~DeG. 
2. Abdomen opaque gray pollinose, black, the sides of the first two 
segments sometimes partly or wholly yellow, terminal joint of 
the proboscis at least two-thirds as long as height of head; 
length. .■') to 4.5 nun. From the type specimen. Southern Cali- 
fornia. (Canadian Entomologist, Vol. XXVII, p. 125; May, 1895. 
Siphona sp., Brauer and Bergenstamm in lift.) plusice Coq. 
Abdomen shining, destitute of pollen, yellow, a dorsal vitta and 
hind margins of hist three segments black; insect elsewhere 
black, the face, palpi, apex ot* scutellum, coxa 1 , femora and tibiae 
yellow, apices ot femora brown, frontal vitta brownish yellow, 
antenmc and proboscis yellowish brown, the base and- apex of 
the latter more yellow, terminal joint of proboscis one-half as 
long as height of head, thorax gray pollinose, not distinctly 
vittatc scutellum bearing three long marginal pairs and a short 
apical pair of raacrochajtae, last three segments of abdomen 
bearing only marginal ones: wings hyaline, calypteres whitish; 
length. I mm. Kirkwood, Mo. Three female specimens from 
Miss M. E. Murtfeldt. Type No. 3574, I . S. National Mu- 
seum brevirostris n. sp. 
Genus HETEROPTERINA Macq. 
Heteropterina Macquart, Annales Soc Ent. France, ]». Ii'tl; 1854. 
Our species is black, the palpi and usually the base of the antenna', 
sides of first three segments ot the abdomen, femora, and tibia 1 yellow: 
last three segments ot abdomen each marked with a transverse row of 
live black spots, two of which are on the lateral margins; three post 
sutural and two sternopleural macrocha'ta', scutellum bearing three 
marginal pairs; length, 3.5 to 5 mm. From the type specimen. North- 
ern Illinois; Colorado, and Los Angeles County, Oal. (Entomological 
News, Vol. VI, p. 207; April, 1895.) nasoni < 5oq. 
'On page 501 of the Encyclopedic M6thodique, Vol. X, 1JS2S, St. Fargean and Ser- 
ville propose the name of Meigeni tor dtinea Meigen, which had been previously 
used in this genus by Latreille, and 11ns name must therefore also be added to the 
synonymy. 
