TRIBE ASPIDIOTINI 443 



broad, lateral margin strongly oblique, dentate, mesal angle 

 bluntly rounded; third pair of lobes similar to second pair; 

 pectinae short, inconspicuous furcapectinae or plates, arranged 



2, 2, 2; each lateris with indentations. Mexico on Mimosa 



mimosae Comst. 



cc. Pygidium with seven pairs of paraphyses, second pair longer 

 than first or third, fourth and sixth pairs longest, slightly 

 longer than second, fifth pair slightly shorter .than second and 

 longer than first and seventh; median pair of lobes subquad- 

 rangular, mesal and lateral notches; second pair of lobes 

 smaller, subquadrangular, mesal and lateral notches; third pair 

 of lobes broader than long, bluntly pointed, lateral margin 

 crenulate; lateres irregularly toothed and crenulate; pectinae 

 comparatively broad distapectinae, arranged 2, 2, 2, 2, those of 

 each lateris furcapectinae. District of Columbia, Georgia, Cali- 

 fornia on maple, apple tenebricoa Comst. 



aa. Pygidium with six or less pairs of paraphyses. 

 b. Pygidium with five or six pairs of paraphyses. 



c. Pygidium with second and third pairs of paraphyses subequal 

 and longer than fourth, first, fourth, and sixth pairs subequal, 

 all short. 



d. Scale of adult female reddish or brownish; median pair of 

 lobes rounded, mesal and lateral notches; second pair of lobes 

 similar in shape, mesal and lateral notches or lateral mar- 

 gin oblique and crenulate; third pair of lobes similar, lateral 

 and sometimes mesal notches; pectinae subequal in length 

 to lobes, median and second incisurae with narrow dista- 

 pectinae, others unapectinae, arranged 2, 2, 3, 3; calles four 

 in number. New York, Florida, Ohio, California, West 

 Indies, Hawaiian Islands, Fiji, Samoa, New Caledonia, 

 New Zealand, Australia, Japan, China, Ceylon, Mauritius, 

 south Africa, Syria, southern Europe on orange, lemon, 

 cocoanut, fig, olive, agave, plum, rose, pear, quince, apple, 

 willow, oak, grape, etc. aurantii Mask. 



dd. Scale of adult female always yellowish in color, insects on 

 leaves of fruit only. California, Japan on Euonymus, 

 Aucuba, orange. aurantii citrina Coq. 



cc. Pygidium with second pair of paraphyses longer than third 

 and distinctly shorter than fourth, longest, fifth and sixth 

 pairs subequal or shorter than third, first and third pairs sub- 

 equal; median pair of lobes bluntly rounded, mesal and lateral 

 notches, broader than long; second pair of lobes narrower 

 than median, deep lateral notch; third pair of lobes smaller 

 than second, bluntly rounded, lateral notch distinct; pectinae 

 arranged 2, 2, 3, 6, those of lateres unapectinae, others dista- 

 pectinae. Italy on Taxus taxa Leon. 



bb. Pygidium with less than five pairs of paraphyses. 

 c. Pygidium with four pairs of paraphyses. 



