10 
ORANGE APHIS; COTTON APHIS. 
Aphis gossypui Glover. 
(Curls leaves and stops young growth; usually well controlled by parasites and 
other enemies. ) 
For short account see Chittenden, Bul. 43, Div. Ent., U. 8. Dept. Agric., pp. 
58-61, 1903. 
Exuisit: Eggs, adult, work, figure, and the enemies Baccha clavata Fab., Hemer- 
obius sp., Chrysopa plorabunda Fitch, and a hymenopterous parasite. 
COTTONY CUSHION SCALE; FLUTED SCALE. 
- Icerya purchasi Mask. 
(Food plants: Acacia, cypress, grasses, lemon, orange, pine, rose. ) 
For bibliography and food plants see Fernald, Cat. Coccidze of World, Bul. 88, 
Mass. Agr. Coll., pp. 25-27, 1903. 
Exuisir: Infested twig. 
THE DESTRUCTIVE MEALY-BUG. 
Pseudococcus citri Risso. 
(Formerly Dactylopius destructor. ) 
For bibliography and food plants see Fernald, Cat. Coccidz of World, Bul. 88, 
Mass. Agr. Coll., pp. 99-100, 1903. 
Exursir: Infested leaves. 
THE LONG-SPINED MEALY-BUG. “ 
Pseudococcus longispinus Targ. 
(Formerly Dactylopius spp. ) 
For bibliography and food plants see Fernald, Cat. Coccide of World, Bul. 88, 
Mass. Agr. Coll., pp. 104-105, 1903. 
Exuisit: Infested leaves. 
THE FLORIDA WAX-SCALE. 
Ceroplastes floridensis Comst. 
(Food plants: Citrus, fig, myrtle, oleander. ) 
For bibliography and food plants see Fernald, Cat. Coccidze of World, Bul. 88, 
Mass. Agr. Coll., p. 157, 1903. 
Exuisit: Infested leaves. 
THE BARNACLE SCALE. 
Ceroplastes cirripediformis Comst. 
(Food plants: Myrtle, orange, persimmon, quince. ) 
For bibliography and food plants see Fernald, Cat Coccidze of World, Bul.. 88, 
Mass. Agr. Coll., p. 150, 1903. 
Exursit: Infested leaves. 
THE SOFT SCALE. 
Coccus hesperidum Linn. 
(Food plants: Laurel, lemon, myrtle, oleander, orange, etc.; formerly Lecanium. ) 
For bibliography and food plants see Fernald, Cat. Coccidze of World, Bul. 88, 
Mass. Agr. Coll., pp. 168-170, 1903. 
Exuipit: Infested twig. 
THE HEMISPHERICAL SCALE. 
Saissetia hemispherica Targ. 
(Food plants: Oleander, orange, peach, ete.; formerly Lecanium. ) 
For bibliography and food plants see Fernald, Cat. Coccide of World, Bul. 88, 
Mass. Agr. Coll., pp. 202-203, 1903. 
Exursit: Infested twig. 
