TRIBE ASPIDIOTINI 441 



SPECIES OF CLAVASPIS 



a. Pygidium with median pair of lobes with mesal and lateral notches, 

 prominent, lateral margin oblique, adjacent, distal ends rounded; 

 densariae prominent, mesal margin of those of second incisurae 

 over three times as long as lateral margin, cephalic end greatly 

 enlarged, rounded, ball-like, densariae of third incisurae small, nor- 

 mal in form; plates small, inconspicuous, arranged 0, 8-9, those of 

 each lateris arranged 2-2-2-2 or 3, two in second incisurae, two in 

 third incisurae, two just cephalad of third incisurae, and two or 

 three farther cephalad; setae long, slender, about as long as lobes; 

 anus longer than broad, distant five times its width from caudal 

 margin and sixteen or more times from vulva. Aspidiotus subsimi- 



lis anonae Houser. Florida, Peru on Mangifera, Anone 



anonae Houser. 



aa. Pygidium with median pair of lobes with prominent lateral notch, 

 large, subadjacent, distal ends bluntly rounded; second pair of lobes 

 small, inconspicuous; densarie of second incisurae large, prominent, 

 those of mesal margin much broader, three or more times as long 

 as lateral, rounded, club-shaped, those of third incisurae subequal 

 in length, small, swollen; plates small, inconspicuous, arranged 

 0, 2, 3, those of each lateris arranged in two groups, one in third 

 incisurae and two much shorter ones some distance cephalad; anus 

 distant about twice its width from caudal margin; setae longer than 

 plates. Society Islands. herculeana Doane & Hadden. 



SPECIE'S OF PELOMPHALA 



a. Pygidium with nine pairs of paraphyses; body with cephalic portion 

 on each side with tooth-like projection. 



to. Pygidium with median pair of lobes with lateral notch, narrow 

 in form, pointed, near together, not touching; second, third, and 

 fourth pairs of lobes broader than median, similar, except second 

 and third have mesal and lateral notches, fourth serrate; each 

 lateris crenulate, with about five small prominences; plates short 

 and inconspicuous; paraphyses in nine pairs, seven short and two 

 long pairs, short ones considerably longer than lobes. Chrysompha- 



lus calurnus Ckll. Mexico on Crataegus. calurna Ckll. 



bb. Pygidium with median pair of lobes with distinct mesal and lat- 

 eral notches, quadrangular, broadly rounded between notches, 

 mesal and lateral margins parallel, distant; second, third, and 

 fourth pairs of lobes with mesal margin longer than lateral, distal 

 margin oblique, notched, second pair broader than median, 

 others successively broader; each lateris coarsely, irregularly 

 toothed; plates shorter than lobes, inconspicuous, arranged 0, 0, 

 2, 2, 0; paraphyses in nine pairs, sixth pair short and third pair 

 long, second, fifth, and eighth pairs long, third and ninth pairs 

 subequal, slightly shorter than subequal first and sixth pairs and 

 slightly shorter than fourth; anus located near middle of pygi- 

 dium; calles continuous, united with lateral thickenings; body 

 with margin more or less strongly and finely crenulate. British 

 Guiana on Avicennia. apicata Newst. 



