1938 ] 
North American Caddis Flies 
19 
Hydropsyche speciosa Banks. — see Cheumatopsyche speciosa 
(Banks) 
Hydropsyche venularis Banks, 1914, p. 252, fig. 62. 
Lectotype, male. — Washington, D. C., June 22. No. 11508. 
A member of the scalaris group, characterized by the 
greatly enlarged head at the apex of the sedeagus, which is 
half again as deep as the stalk, fig. 28. 
Macronema Carolina Banks, 1909, p. 342. 
Lectotype, male. — Southern Pines, North Carolina, June, 
1924, A. H. Manee. No. 11529. 
This species, although widely distributed, always occurs 
south of the range of zebratum Hagen. 
Macronema flavum Hagen. — see Potomyia flava (Hagen) 
Macronema zebratum Hagen, 1861, p. 285. 
Lectotype, male. — St. Lawrence River, Canada, 1859, 0. 
Sacken. No. 11027. Lectoallotype, female. — Same data. 
This northern species is larger than Carolina Banks and 
has the basal antennal segment more bulbous. 
Potomyia flava (Hagen), 1861, p. 285. ( Macronema ) 
Lectotype, male. — St. Louis, Missouri, 1859, Sacken. No. 
11026. 
This species has been illustrated by Betten (1934, pi. 21, 
figs. 1-3) . 
Potomyia kansensis (Banks), 1905b, p. 15. ( Hydropsyche ) 
Lectotype, female. — Douglas County, Kansas, July, elec- 
tric light. No. 11499. 
This represents the female of flava (Hagen), and is a 
synonym of this name. 
Smicridea divisa (Banks), 1903a, p. 244, pi. 4, fig. 12. 
( Hydropsyche ) 
Lectotype, male. — Salt River, Arizona, April, Oslar. No. 
11528. Lectoallotype, female. — Same data, but April 10. 
This species is a synonym of McLachlan’s fasciatella. 
The male genitalia show more relationship to Potomyia than 
to any other genus in the family. 
Family ODONTOCERID7E 
Heteroplectron dissimilis Banks, 1897, p. 30. 
