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. 



£E. 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 Colem. 



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 Hypericum, 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- 



