adults > families

forewing antennal segments  
Psyllidae 
vein R+M+Cu1 with 2 branches, anal break near apex of vein Cu1b circular in cross section, with only a few sparse setae  
Homotomidae
vein R+M+Cu1 with 2 branches, anal break near apex of vein Cu1b flattened in cross section, densely covered in long dark setae  
  Triozidae
vein R+M+Cu1with 3 branches, anal break in distance of apex of vein Cu1b circular in cross section, with only a few sparse setae  
  Calophyidae
vein R+M+Cu1 with 2 branches, anal break in distance of apex of vein Cu1b circular in cross section, with only a few sparse setae