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. barbusano Lindgr. 



SPECIES OF AFFIRMASPIS 

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

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



