422 THE COCCIDAE 



aa. Pygidium with six pairs of paraphyses, first pair slightly longer than 



third, second and fifth pairs subequal and longest, as long as third, 



fourth and sixth pairs subequal, slightly longer than third. 



b. Pygidium with three pairs of lobes, successively larger from first 



to third, latter with two small notches on lateral margin; each 



lateris with three serrations; genacerores 2-2(5-5)3-3, pregenacer- 



ores and postgenacerores of each side forming nearly continuous 



row. Mexico on mango longissima Ckll. 



bb. Pygidium with three pairs of lobes; median pair subquadrangu- 

 lar with rounded caudal ends, close together, entire; second and 

 third pairs of lobes broader and larger than median, lateral mar- 

 gin oblique, faintly serrate; pectinae short, narrow, distapectinae, 

 subequal in length to lobes, arranged 2, 2, 2, 5, each lateris with 

 two pectinae adjacent third lobe and three truncate plates distrib- 

 uted along margin cephalad of pectinae; each lateris with five 

 distinct serrations; genacerores (7-7)8-8. Jamaica, Mexico on 

 Agave. bowreyi Ckll. 



SPECIES OF LINDINGASPIS 



Pygidium with three pairs of more or less unsymmetrical subequal lobes, 

 broader than long, broadly rounded, margin finely crenulate; pectinae 

 broad, slightly longer than lobes, lacinations deep, arranged 1, 1, 1-2, 1, 

 one of each lateris adjacent third lobe; each lateris with six or more 

 large, equidistant, tooth-like projections, smaller teeth between two 

 caudal projections; spiracerores wanting; genacerores in two groups, 

 8-10; dorsal oraceratubae prominent, longitudinal row extending 

 cephalad from each third incisura; paraphyses in five pairs, first and 

 second pairs associated with median lobes, third pair with second pair 

 of lobes, fourth pair longest and opposite third incisura, fifth pair op- 

 posite caudal margin of third pair of lobes. Melanaspis samoana 

 Lindgr. Samoa on Myristia. samoana Lindgr. 



SPECIES OF FORBESASPIS 



Pygidium with median pair of lobes subtriangular, converging, sub- 

 adjacent, mesal portion longest, distal end bluntly rounded, lateral mar- 

 gin oblique, deep lateral notch; second pair of lobes small, not strongly 

 protuberant, distinct lateral notch; densariae present between median 

 pair of lobes, mesal side of densariae of second incisurae much larger 

 than minute lateral, those of third incisurae subequal, fused; gena- 

 cerores 0-4(3-7)3-5. Canada, eastern United States, New Mexico, 

 Mexico, Porto Rico, Germany, south Africa on plum, peach, pear, apple, 

 quince, cherry, currant, gooseberry, apricot, beech, hawthorn, honey- 

 locust, walnut, Jasmine, Acer forbesi Johns. 



SPECIES OF FERRISASPIS 



Pygidium with median pair of lobes prominent, margins convex, distal 

 end rounded, prominent lateral notch; lateres entire, second and third 

 incisurae with densariae, mesal and lateral margins subequal, those of 

 second much larger; dorsal oraceratubae numerous, arranged in oblique 

 band nearly parallel with margin; setae as long as median lobes; anus 



