Phylloicus is a genus of caddisflies in the family Calamoceratidae. There are more than 40 described species in Phylloicus.

Species: These 43 species belong to the genus Phylloicus:

• Phylloicus abdominalis (Ulmer, 1905)
• Phylloicus aculeatus (Blanchard, 1851)
• Phylloicus aeneus (Hagen, 1861)
• Phylloicus amazonas Prather
• Phylloicus angustior Ulmer, 1905
• Phylloicus brevior Banks, 1915
• Phylloicus bromelianum Mueller, 1880
• Phylloicus camargoi Quinteiro, Calor & Froehlich, 2011
• Phylloicus centralis (Navas, 1924)
• Phylloicus chalybeus (Hagen, 1861)
• Phylloicus cordatus Prather
• Phylloicus crenatus (Navas, 1916)
• Phylloicus cubanus Banks, 1924
• Phylloicus elegans Hogue & Denning in Denning, Resh & Hogue, 1983
• Phylloicus elektoros Prather
• Phylloicus ephippium Prather
• Phylloicus farri Flint, 1968
• Phylloicus fenestratus Flint, 1974
• Phylloicus gomezi Razo-González, 2018
• Phylloicus iridescens Banks, 1941
• Phylloicus lituratus Banks, 1920
• Phylloicus llaviuco Prather
• Phylloicus maculatus (Banks, 1901)
• Phylloicus magnus Banks, 1913
• Phylloicus major Mueller, 1880
• Phylloicus medius Mueller, 1880
• Phylloicus mexicanus (Banks, 1900)
• Phylloicus mirabilis Cavalcante, Dumas & Nessimian, 2018
• Phylloicus monticolus Flint, 1968
• Phylloicus obliquus Navás, 1931
• Phylloicus ornatus (Banks, 1909)
• Phylloicus panamensis Prather
• Phylloicus passulatus Prather
• Phylloicus pirapo Prather
• Phylloicus plaumanni Flint, 1983
• Phylloicus priapulus Denning & Hogue in Denning, Resh & Hogue, 1983
• Phylloicus pulchrus Flint, 1964
• Phylloicus sallesi BarceloS-silva, Desidério & Pes, 2017
• Phylloicus spectabilis Martynov, 1912
• Phylloicus superbus Banks, 1938
• Phylloicus tricalcaratus (Ulmer, 1905)
• Phylloicus trichothylax Prather
• Phylloicus velteni Wichard, 2006