TRIBE ASPIDIOTINI 415 



closely placed short oraceratubae ; head and thorax with several 

 long setae with tubular bases; genacerores (10-14)10-12. Japan 



on Quercus. setiger Mask. 



bb. Pygidium with more than three pairs of paraphyses. 



c. Pygidium with four pairs of paraphyses, about as long as me- 

 dian pair of lobes. 



d. Pygidium with median pair of lobes entire, well separated, 

 about as broad as long, rounded; second pair of lobes distant 

 from median, distance equal to width of median lobe, broader 

 than long, entire; third pair of lobes pointed, tooth-like, less 

 conspicuous; each lateris with lobe-like projection; anus near 

 cephalic ends of paraphyses; genacerores (4-4)3-3. Mexico 



on orange. koebelei Ckll. & Towns. 



dd. Pygidium with median pair of lobes with mesal and lateral 

 notches, bluntly rounded between notches; second pair of 

 lobes similar in form, slightly smaller; third pair of lobes 

 more irregular, conspicuous lateral notch; pectinae slightly 

 longer than lobes, arranged 2, 2, 3, 3; each lateris adjacent to 

 cephalic pectina with stout marginal prominence; paraphyses 

 slender, sides subparallel; anus three times its width from 

 caudal margin; dorsal oraceratubae in two rows on each side; 

 genacerores (3-4)2-3; vulva between pregenacerores. Sey- 

 chelles on Cocos. onset Green. 



cc. Pygidium with five pairs of -paraphyses. 



d. Pygidium with fourth pair of paraphyses not more than one- 

 half length of third, second pair longest, first, third, and 

 fifth long, slightly shorter than second; median pair of lobes 

 longer than broad, bluntly rounded, prominent lateral notch; 

 second pair of lobes smaller than median, bluntly pointed, 

 entire; third pair of lobes smaller than second, elongate, 

 lateral margin notched; pectinae short, arranged 2, 2, 3, 4, 

 those of median and second incisurae distapectinae, others 

 unapectinae; genacerores (3-4)2-3; thorax not produced on 

 each side into a tooth. Jamaica on mango. mangiferae Ckll. 

 dd. Pygidium with fourth pair of paraphyses as long or much 

 longer than fifth. 



e. Pygidium with all paraphyses of each side very different in 

 length. 



f. Pygidium with first pair of paraphyses shorter than 

 others, second and fourth pairs longest, third and fifth 

 intermediate in length; median pair of lobes rounded, 

 deep lateral notch, mesal margins convex; second pair of 

 lobes nearly as large as median, similar in shape, lateral 

 notch; third pair of lobes elongate; bluntly rounded, lat- 

 eral notch; pectinae large, arranged 2, 2, 3, 6-7, 

 those of each lateris unapectinae, others distapectinae; 

 genacerores (4-8)2-4; thorax produced on each side into 

 a short prominent tooth-like projection. Chrysomphalus 

 proposimus Banks. India, Japan, Australia, Brazil, 



