TRIBE ASPIDIOTINI 419 



late, three or four small projections; genacerores (7-7) 



5-5. Mexico on mangrove. rhizophorae Ckll. 



ee. Pygidium with fifth pair of paraphyses not four times as 

 long as fourth. 



f. Pygidium with fifth pair of paraphyses not more than 

 twice as long as fourth, first, third, and fifth pairs sub- 

 equal and longest, sixth pair slightly shorter than fifth 

 and longer than subequal second, fourth, and seventh; 

 median pair of lobes subquadrangular, as broad as long, 

 distinct mesal and lateral notches, distal end bluntly 

 rounded; second pair of lobes similar in form and size 

 to median pair; third pair of lobes subequal in size to 

 second pair, distal end bluntly rounded, prominent lat- 

 eral notch, no mesal notch; pectinae arranged 2, 2, 3, 3, 

 those of each later is unapectinae; genacerores 1-2(5-6) 



6-6. Ceylon on unidentified tree pedronis Green. 



ff. Pygidium with fifth pair of paraphyses longer than 

 fourth, not twice as long, fifth pair longest, second, 

 fourth, and seventh pairs subequal, a little shorter than 

 fifth, first pair two-thirds length of second and one- 

 fourth longer than third, third and sixth pairs sub- 

 equal; median pair of lobes quadrangular, distinct lat- 

 eral notch, as broad as long; second and third pairs of 

 lobes similar, smaller than median, lateral margin 

 oblique, notched; pectinae short, not as long as lobes, 

 furcapectinae, arranged 1, 1, 1, 2; lateres toothed and 

 serrate; genacerores 6-9(17-24)9-16. South Africa on 

 Virgilia, Erythrina, Celastrus, Schinus, Robinia, olive, 

 apple, hawthorn, kei-apple, lilac, pear, poplar, plane-tree, 

 privet, rose, peach, plum, walnut corticosus Brain. 



dd. Pygidium with fifth pair of paraphyses not one-half length 

 of fourth, if subequal in length, narrow and inconspicuous, 

 e. Pygidium with each lateris entire, serrate, or slightly in- 

 dented, but never saw-toothed. 



f. Pygidium with five or six pectinae on each lateris; 

 paraphyses short, longest but little longer than adjacent 

 lobes, fifth pair slender inconspicuous thickening; me- 

 dian pair of lobes distinctly broader and longer than 

 second pair, quadrangular, mesal and lateral notches, 

 broadly rounded; second pair of lobes similar but 

 smaller; third pair of lobes bluntly triangular, short; 

 pectinae deeply lacinate, arranged 2, 2, 3, 5-6, those 

 of median incisura short, furcapectinae, those of other 

 incisurae unapectinae, lacinations of those of each 

 lateris reduced in number, particularly cephalic ones; 



genacerores (1-3)3-4. Italy on Camellia 



degeneratus Leon. 



ff. Pygidium with two or three pectinae on each lateris; 

 paraphyses in three lengths, second, fourth, and seventh 



