Genus Eulecanium Cockerell ............................................... ...... 52
 Eulecanium caryae (Fitch) .................................................... .. 54
 Genus Inglisia Maskell ..................................................... ...... 56
 Inglisia vitrea Cockerell ........................................ ............... 56
 Genus Kilifia DeLotto ..... ........................ ............................. 58
 Kilifia acuminata (Signoret) .................................................... 59
 Genus Luzulaspis Cockerell ........................................ .............. 61
 Luzulaspis americana Koteja and Howell .......................................... 61
 Genus Mesolecanium Cockerell ...................................... .......... 63
 Mesolecanium nigrofasciatum (Pergande) ................ .......... ........... 63
 Genus Neolecanium Parrott ....................................................... 65
 Neolecanium cornuparvum (Thro) .............................................. 66
 Genus Parasaissetia Takahashi ..................................................... 68
 Parasaissetia nigra (Nietner) .................................................... 68
 Genus Parthenolecanium Sulc ..................................................... 70
 Key to the species of Parthenolecanium ........................................ 71
 Parthenolecanium corni (Bouche) ............................. ... ........... 71
 Parthenolecaniumfletcheri (Cockerell) ................ ......................... 73
 Parthenolecanium persicae (Fabricius) ................................... ...... 75
 Parthenolecanium quercifex (Fitch) ............................................. 77
Genus Protopulvinaria Cockerell ................................................. 78
Key to the species of Protopulvinaria .............................................. 78
 Protopulvinaria mangiferae (Green) ............................................. 80
 Protopulvinaria pyriformis (Cockerell) ........................................... 82
Genus Pseudophilippia Cockerell ................................................. 84
 Pseudophilippia quaintancii Cockerell ........................................... 84
Genus Pulvinaria Targioni-Tozzetti ............................................... 85
Key to the species of Pulvinaria ................................................... 87
 Pulvinaria acericola (Walsh and Riley) ............................................. 87
 Pulvinaria citricola Kuwana ................................................... 90
 Pulvinaria elongata Newstead ................................................. 90
 Pulvinaria ericicola McConnell ................................................. 92
 Pulvinara floccifera (Westwood) ............................................... 96
 Pulvinaria hydrangeae Steinweden .............................................. 98
 Pulvinaria innumerabilis (Rathvon) .............................................. 100
 Pulvinaria psidii Maskell ................................................. 102
 Pulvinaria urbicola Cockerell .................................................. 105
Genus Saissetia Deplanche ...................................................... 106
Key to the species of Saissetia ...................................................... 106
 Saissetia coffee (Walker) ................................. ................... 108
 Saissetia miranda (Cockerell & Parrott) ........................................... 110
 Saissetia neglect DeLotto .................................................... 112
 Saissetia oleae (Olivier) ....................................................... 114
Genus Toumeyella Cockerell ................... ................................. 115
Key to the species of Toumeyella ................... ........................ . 117
 Toumeyella cerifera Ferris ........................................................ 117
 Toumeyella liriodendri (Gmelin) ............................................... 119
 Toumeyella parvicornis (Cockerell) .............................................. 122
 Toumeyella pini (King) ...................................................... 124
 Toumeyella virginiana Williams & Kosztarab .................................... 126
Genus Vinsonia Signoret ........ .......... ............ ........... 128
 Vinsonia stellifera (Westwood) ............................... ...... 128