350 MEMORIAS DE LA SOCIEDAD CIENTIFICA 
10. 
¿e 
14. 

distinguished from Aspidiotus and its allies by the larval _ 
skin being at the maxim in...... Parlatoria perganden. 
Female scale convex, light-colored with the central spot 
(exuviae) very dark...... Aspidiotus cydoniae. 
Female scale flat or very slightly CONVeX.....ocooocconocorrnoo. 
Female scale white with the central spot (exuviae) pale ye- 
llow. Aspidiotus hederae var. limona. 
Female scale dark—colored, almost black, «with the central 
spot (exuviae) reddish or yellowish.....oooomomomomomocooomo. 
Female scale light reddish, the: exuviae not conspicuously 
ditlerentila color O 
Exuviae represented by a large pale yellow spot. Aspidiotus 
scutiformis [= Chrysomphalus scutiformis.] 
Exuviae represented by a shining reddish-orange boss. Ás- 
pidiotus ficus. [= Chrysomphalus aonidum). 
Female easily separated from scale; shape of female pecu- 
liar, the abdomen separated from the cephalothorax by a 
deep incisión on each side...... Aspidiotus articulatus. 
Female not easily separated from scale: shape of female re- 
niform: Aspidiotus aurantí [ = Chrysomphalus aurantir. ] 
Adult female with evident legs, and capable of motion...... 
Adult female without evident legs, incapable of motion, or 
movins very slightly O. IA 
Female producing a large posterior fluted ovisac......./cerya 
purchasi. (see also Orthezia. below.) 
Female without such an ovisac; ovisac when well-formed 
notiflutedaniiocovis ión rca sd 
Female globular or nearly so, covered with white secretion. 
Dactylopius filamentosus [= D. vastator. | 
Female oval or long=0Val moon dit cada és» 
Size larger (over 5 mm. long)..... Ceroputo yuccae. 
Size smaller (about 3 or 4 mm. long), with a lateral fringe 
obepttony tasselera. . cn PIDIO IR E 
Lateral fringe short, no long tails...... Dactylopius citri. 
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