TRIBE ASPIDIOTINI 399 



eral notches; second pair of lobes large, broad, 

 smaller than median, distal margin undulate; third 

 pair of lobes similar to second in form, smaller, mar- 

 gin undulate; pectinae short, those of each third in- 

 cisura longer than lobes, other pectinae distapectinae, 

 arranged 2, 2, 3, 3; genacerores 0-3(8-12)6-9. Europe, 

 Maine, Massachusetts, New York, New Jersey, Georgia 

 on hemlock, pine, fir, maple abietis Schr. 



ff. Pygidium without pectinae on each lateris. 



g. Pygidium with median pair of lobes entire, large, 

 rounded; second pair of lobes small, similar in shape 

 to median; third pair of lobes minute, rounded, en- 

 tire; pectinae subequal in length with median lobes, 

 arranged 2, 2, 1, 0, those of third incisurae broadest; 

 each third incisura with latadentis-like projection; 



genacerores (3-7)3-7. California on Pinus 



florenciae Golem. 



gg. Pygidium with median pair of lobes with prominent 

 lateral notch, sometimes faint mesal notch, subquad- 

 rangular, wide, distal end truncately rounded; second 

 and third pairs of lobes small, projecting, angular, 

 long; setae stout, projecting beyond median lobes; 

 pectinae narrow, subequal in length with median 

 lobes, arranged 2, 2, 2, 1-2, each lateris irregular in 

 outline with one or two minute plates placed distant 

 from each other and third lobe; genacerores (2-6)2-4; 

 anus three times its own width from caudal margin. 



Italy, Greece on Hyper icum, Thymelaea 



privignus Lindgr. 

 dd. Pygidium with third pair of lobes deeply incised. 



e. Pygidium with only third pair of lobes incised; third pair 

 of lobes consisting of two adjacent conical lobelets; median 

 pair of lobes large, triangular, margins serrate, distant; 

 second pair of lobes small, triangular, adjacent to median 

 lobe, appearing as deeply incised lateral lobelet; median 

 and second incisurae without pectinae or plates, each third 

 incisura with long furcapectina, each lateris adjacent to 

 third lobe with another similar furcapectina and few 

 plates on cephalic portion; genacerores (6-10)15-15. Fiji 

 Islands on "various forest trees." vitiensis Mask. 



ee. Pygidium with second and third pairs of lobes deeply in- 

 cised. 



f. Pygidium with three pairs of lobes; scale of adult fe- 

 male oval, larger near one end, exuviae placed on smaller 

 end; median pair of lobes moderately large, distant; 

 lateres thick and serrate; two plates between median 

 pair of lobes and on margin between other lobes; setae 

 short; dorsal oraceratubae numerous; genacerores (25- 



