40 Asptdiotus. 



iii.) Puparium brown ; pellicles blackish. Female insect purplish 



rossi. 

 (iv.) Puparium opaque, fulvous or brownish, resembling the bark of 



the plant. Female insect yellow osbeckice. 



(v.) Puparium transparent, colourless or greyish ; pellicles yellow. 



Female insect yellow latanice. 



(vi.) Puparium semi-transparent, oblong oval. Female insect pale 



yellow , cyanophylli. 



(vii.) Puparium semi-transparent, irregularly lobed. Female insect 



yellow excistis. 



(b.) Circumgenital glands wanting. 



(viii.) Puparium fulvous, flat, covering small pits in the leaf in which 



the insect lies. Female insect yellow pideariiis. 



(ix.) Insect occupying minute galls on the leaf. Female insect 



yellow occultus. 



(x.) Puparium semi-transparent, reddish fulvous, adhering to the 

 insect. Female insect orange yellow aurantii. 



C. Pygidium with two lobes. 



(a.) Circumgenital glands in four groups. 



(xi.) Puparium whitish, or coloured by the admixture of fibrous par- 

 ticles of the plant. Female insect yellow cydonice. 



(b.) No circumgenital glands. 



(xii.) Puparium whitish, fulvous, usually oblong, with pellicles towards 

 one extremity. Female insect yellow camellia;. 



D. Pygidium with one (median) lobe. 



(a.) Circumgenital glands in two groups. 



(xiii.) Insect imbedded between the tissues of the plant. Female 



insect yellow secret us. 



E. Pygidium without lobes. 



(a.) No ci^-cumgenital glands. 



(xiv.) Puparium elongated ; fulvous; dorsal and ventral sides similar. 

 Female insect reddish yellow imisitattcs. 



