Morse (1993) listed twenty-six species in North America (Moulton & Johnson 1996).

   Ceratopsyche larvae spin silk into nets not unlike a spider spins a web to collect insects.

   Ceratopsyche feed upon plant particles, smaller insects, and debris collected in their nets from the flowing water.

   Ceratopsyche larvae don't build cases, but build a retreat near their nets camouflaged with small gravel, and plant debris.

   Hatching from mid May to late September. This species is of lesser importance than C. bronta. Hatches coincide with C. bronta, and C. sparna, and may be challenging for the angler because of it's lighter color when compared to C. bronta. During times of high selectivity, trout may key in on the lighter body color of C. slossonae, and will refuse, or outright ignore a darker C. bronta imitation.

   Key to Family - Ocelli absent. Legs - spurs foreleg 2, middle 4, hind 4. One large wart on scutellum. Both male and female maxillary palps are five segmented, segment five is long, flexible, and whip like.

   Key to Genus - Forewings - veins R4 and R5 separateing quickly at their base, crossveins M3+4-Cu1 and Cu1-Cu2 located far apart, veins Cu2 and A ending separately, but close together. Stems of M and Cu veins of hindwing running close together, and parallel throughout their length.

   Key to Species - C. slossonae - Male, sclerites on top of phallobase, and point up. Modified from, Moulton and Johnson - 1996 - Interior Highlands Trichoptera Memoirs of the American Entomological Institute 56.