1938] 
North American Caddis Flies 
49 
Fig. 25. 
Fig. 26. 
Fig. 27. 
Fig. 28. 
Fig. 29. 
Fig. 30. 
Fig. 31. 
Fig. 32. 
Fig. 33. 
Fig. 34. 
Fig. 35. 
Fig. 36. 
Fig. 37. 
Fig. 38. 
Fig. 39. 
Fig. 40. 
Fig. 41. 
Fig. 42. 
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Fig. 44. 
Fig. 45. 
Fig. 46. 
Fig. 47. 
Fig. 48. 
Fig. 49. 
Fig. 50. 
Fig. 51. 
Fig. 52. 
Plate IV 
Hydropsyche phalerata Hagen, male genitalia; A, apex of 
aedeagus, ventral view. 
Hydropsyche californica Banks, apex of aedeagus, ventral 
and lateral views. 
Hydropsyche occidentalis Banks, apex of aedeagus, ventral 
and lateral views. 
Hydropsyche venularis Banks, aedeagus, lateral and ventral 
views. 
Hydropsyche incommoda Hagen, apex of aedeagus, ventral 
and lateral views. 
Hydropsyche slossonse Banks, tenth tergite, lateral view; A, 
same, dorsal view; B, aedeagus. 
Hydropsyche depravata Hagen, male genitalia; A, apex of 
aedeagus, ventral view. 
Hydropsyche bifida Banks, aedeagus; A, tenth tergite, dorsal 
view; B, aedeagus, dorsal view. 
Hydropsyche morosa Hagen, aedeagus. 
Hydropsyche cockerelli Banks, male genitalia. 
Hydropsyche oslari Banks, aedeagus; A, male genitalia. 
Plate V 
Arctopsyche grandis (Banks), male genitalia. 
Trisenodes grisea Banks, male genitalia; A, Trisenodes 
frontalis, clasper, lateral aspect. 
Trisenodes dentata Banks, male genitalia; A, clasper, 
ventral view. 
CEcetis parva (Banks), male genitalia. 
Athripsodes transversus (Hagen), male genitalia. 
Athripsodes annulicornis (Stephens), clasper, caudal view. 
Athripsodes dilutus (Hagen), male genitalia; A, clasper, 
caudal view. 
Anisogamus disjunctus Banks, male genitalia; A, aedeagus. 
Anisogamus costalis (Banks), male genitalia; A, aedeagus. 
Asynarchus centralis Banks, male genitalia; A, aedeagus. 
Clistoronia formosa (Banks), male genitalia; A, aedeagus. 
Apatelia incerta (Banks), male genitalia. 
Plate VI 
Dicosmcecus unicolor (Banks), male genitalia. 
Dicosmoecus atripes (Hagen), male genitalia. 
Ecclisomyia maculosa Banks, male genitalia ; A, clasper. 
Glyphopsyche bellus (Banks), male genitalia; A, aedeagus; 
B, male genitalia, dorsal view. 
Glyphopsyche canadensis (Banks), male genitalia; A, same, 
dorsal view; B, aedeagus. 
