Holzenthal, Ralph W.Blahnik, Roger J.2006FIGURE 12 in The caddisfly genus Protoptila in Costa Rica (Trichoptera: Glossosomatidae)10.5281/zenodo.2646293FIGURE 12. Protoptila kjeri, new species. Male genitalia: A—lateral; B—segment VIII, ventral; C—phallic complex, lateral.ZOOTAXA1197