448 THE COCCIDAE 



cc. Pygidium with median pair of lobes projecting, distal end 

 truncate or subtruncate, faint lateral notch. Italy on Quercus.__ 



vitis suberi Leon. 



bb. Pygidium with tooth-like projections of lateres not arranged in 

 pairs. *- 



c. Pygidium with two tooth-like projections on each lateris, simi- 

 lar to second and third pair of lobes, not projecting beyond 

 general contour of margin of pygidium; lateres very oblique; 

 median pair of lobes large, convergent, strongly projecting; 

 large bifurcate thickening prolonged inside lobes of each side 

 to anus; marginal setae prominent; pectinae or plates wanting. 



France on Alnus. alni Marchal. 



cc. Pygidium with three tooth-like projections on each lateris, be- 

 coming successively smaller cephalad, located near median 

 lobes, remainder of each lateris entire; median pair of lobes 

 small, rounded, distinct lateral and faint mesal notches, near 

 but not contiguous; anus located four times its width from 

 caudal margin; pectinae and plates wanting; dorsal oracera- 

 tubae few in number, arranged near peripheral margin. 



Aonidia juniperi Marl. Utah on Juniperus juniperi Marl. 



aa. Pygidium without strong tooth-like projections on lateres. 

 b. Pygidium with median pair of lobes large and projecting. 



c. Pygidium with median pair of lobes large, prominent, project- 

 ing, somewhat convergent, distinct mesal and lateral notches; 

 setae prominent, two located between median pair of lobes and 

 five on each lateris in two groups, three near median lobe and 

 two some distance cephalad of these. France on Cineraria, 



Quercus. nigra Sign. 



cc. Pygidium with median pair of lobes prominent, projecting, dis- 

 tant, subtriangular, distal end bluntly rounded, lateral notch; 

 second and third pairs of lobes indicated as slight triangular 

 projections; setae prominent, four on each side, one on each 

 median lobe and each projection indicating second and third 

 lobe and one on each lateris; anus distant from caudal mar- 

 gin two or three times its width. Argentina on Fabiana 



fabianae Leon. 



bb. Pygidium with median pair of lobes very short, not projecting, 

 distinct lateral and mesal notches on caudal margin with mar- 

 gin bluntly pointed and projecting between them; lateres coarsely 

 crenulate with these undulations finely crenulate; setae minute; 

 pygidium of second nymphal female with three pairs of lobes, 

 median pair large with distinct lateral notch; second pair of lobes 

 smaller with lateral notch; third pair of lobes small, triangular 

 with mesal and lateral notches; pectinae longer than lobes, ar- 

 ranged 2, 2-3-2-3. Chrysomphalus barbusano Lindgr. Canary Is- 

 lands on Phoebe. 'bar'busano Lindgr. 



SPECIES OF AFFIRMASPIS 



a. Pygidium with densariae distinct, caudal one largest, mesal and 

 lateral margins equal; median pair of lobes large, mesal margins 



