—— 
76 
following is by Macquart, in Annales Soc. Entomol. France, 
p. 294; 1845: Siphona cinerea! Meigen, System. Besch. Eur. 
Zweif. Ins., Vol. LV, p. 156; 1824. The following is by Rondani 
in Dipt. Italics Prod., Vol. III, p. 10, 1859, and is repeated by 
Schiner: Siphona nigrovittata and analis Meigen, System. Besch. 
Eur. Zweif. Insekten, Vol. 1V, p. 157; 1824. Syphona persilla 
Desvoidy, Essai sur les Myod., p. 92; 1830. Syphona tris- 
tis Desvoidy, Annales Soc. Entomol]. France, p. 203; 1850. 
Syphona fuscicornis and consimilis Desvoidy, loc. 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 litt.)..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, 3 to 4.5mm. From the type specimen. Southern Cali- 
fornia. (Canadian Entomologist, Vol. XX VII, p.125; May, 1895. 
a Siphona sp., Brauer and Bergenstamm in litt.)....- plusie Coq. 
Abdomen shining, destitute of pollen, yellow, a dorsal vitta and 
hind margins of last three segments black; insect elsewhere 
black, the face, palpi, apex of scutellum, cox, femora and tibice 
yellow, apices of femora brown, frontal vitta brownish yellow, 
antenne 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 
vittate, scutellum bearing three long marginal pairs and a short 
apical pair of macrochiet«e, last three segments of abdomen 
bearing only marginal ones; wings hyaline, calypteres whitish ; 
length, 4mm. Kirkwood, Mo. Three female specimens from 
Miss M. E. Murtfeldt. Type No. 3574, U. S. National Mu- 
S@UIM. 5sda lek 22 cee Eteeeie Be 2 one one brevirostris Ni. sp. 
Genus HETEROPTERINA Macq. 
Heteropterina Macquart, Annales Soc. Ent. France, p. 426; 1854. 
Our species is black, the palpi and usually the base of the antenne, 
sides of first three segments of the abdomen, femora, and tibize yellow; 
last three segments of abdomen each marked with a transverse row of 
five black spots, two of which are on the lateral margins; three post- 
sutural and two sternopleural macrochete, scutellum bearing three 
marginal pairs; length, 3.5 to5 mm. From the type speeimen. North- 
ern Illinois; Colorado, and Los Angeles County, Cal. (Entomological 
News; Vol..V 1, p. 2075, April, 1399.)\2 eer Bee eee nasont Coq. 
10n page 501 of the Encyclopédie Méthodique, Vol. X, 1828, St. Fargeau and Ser- 
ville propose the name of Meigeni for cinerea Meigen, which had been previously 
used in this genus by Latreille, and this name must therefore also be added to the 
synonymy. 
