Hebecephalus signatifrons, head, pronotum, and mesonotum, dorsally (Oman, P. W. 1949, The Nearctic leafhoppers (Homoptera: Cicadellidae). A generic classification and check list. Memoirs of the Entomological Society of Washington. 3:1-253.)
Hebecephalus signatifrons, face (Oman, P. W. 1949, The Nearctic leafhoppers (Homoptera: Cicadellidae). A generic classification and check list. Memoirs of the Entomological Society of Washington. 3:1-253.)
Hebecephalus signatifrons, forewing (Oman, P. W. 1949, The Nearctic leafhoppers (Homoptera: Cicadellidae). A generic classification and check list. Memoirs of the Entomological Society of Washington. 3:1-253.)
Hebecephalus signatifrons, hindwing (Oman, P. W. 1949, The Nearctic leafhoppers (Homoptera: Cicadellidae). A generic classification and check list. Memoirs of the Entomological Society of Washington. 3:1-253.)
