16 SOUTH AMERICAN TIPULIDAE 
Femora unicolorous, without a brown ring before the tip; Rs short, straight, 
oblique; cell 1st M2 longer, almost twice as long as broad; basal deflec- 
tion of Cui about mid-length of cell 1st M^. brunneicornis sp.n. 
These two species are the only American forms so far discovered with uni- 
colorous antennae, the remaining species, picticornis Osten Sacken^^ and vari- 
cornis Alexander,^^ having the antennal segments bicolorous. 
Tribe Eriopterini 
Genus ERIOPTERA Meigen 
Subgenus Mesocyphona Osten Sacken 
Erioptera (Mesocyphona) caloptera Say, var. 
1823. Erioptera caloptera Say, Journ. Acad. Nat. Sci. Phila., iii, p. 17. 
Three males and one female from Huigra, Ecuador, altitude 
4500 feet, collected by Parish; two males from Lima, Peru, 
altitude 500 feet, Parish collector. 
This insect, which seems to be a variety of the common 
caloptera, has a broad dark brown premedian and apical band on 
the femora, the pale band enclosed by them being a little more 
extensive than in typical caloptera. 
Erioptera (Mesocyphona) annulipes Williston 
1896. Erioptera annulipes WiUiston, Trans. Ent. Soc. Lond., p. 294. 
Two males from Caldas, Colombia, May 12, 1914; a male 
and a female from Call, Colombia, May 23, 1914; collected by 
Parish. 
Erioptera (Mesocyphona) eiseni Alexander 
1913. Erioptera {Mesocyphona) eiseni Alexander, Proc. U. S. Nat. Mus., 
xhv, p. 516, pi. 67, fig. 26. 
One female from Cisneros, Colombia, June 3, 1914; two males, 
three females from La Cumbre, Colombia, altitude 6600 feet, 
May 18, 1914; collected by Parish. 
Genus GONOMYIA Meigen 
Subgenus Leiponeura Skuse 
Gonomyia (Leiponeura) recurvata Alexander 
1914. Gonomyia (Leiponeura) recurvata Alexander, Journ. N. Y. Ent. Soc, 
xxii, p. 121, pi. 11, fig. 6. 
23 1869. picticornis Osten Sacken, Monogr. Dipt. N. Am., iv, p. 128, pi. I, 
fig. 13. 
2* 1913. varicornis Alexander, Ent. News, xxiv, p. 448, pi. XIV, fig. 10. 
