TRIBE FIORINIINI 379 



I. Pygidium not with transverse band of oraceratubae or cerores at 

 cephalic end of ventral aspect adjacent to preabdomen. 

 b. Pygidium short and broad, never twice as long as wide. 



c. Pygidium with caudal margin not truncate and lateral margins 

 straight, 

 d. Pygidium with anus located little cephalad of vulva; spir- 

 acles with spiracerores; pygidium with sides converging 

 caudad and caudal end transverse and indented to form four 

 rounded lobules; pygidial margin with band of seven or eight 



setae. — Ceylon on Atalantia. atalantiae Leon. 



dd. Pygidium with anus located near middle of its length and 

 vulva little farther caudad; spiracles encircled by minute 

 spiracerores; pygidium with sides converging or broadly 

 rounded, distinctly broader than long, margin with about 

 eight long slender setae arranged in three groups, group of 

 three on middle of each side and group of two at caudal 

 end, latter longer than others, and two rows on disk of 

 pygidium, row of six on line drawn through anus and row 

 of two on line between anus and margin. — England, Kew 



Gardens on Howea. kewensis Newst. 



cc. Pygidium with caudal margin truncate and each side straight 

 and not converging caudad, caudal margin coarsely crenulate; 

 cephalic end of body narrow, cylindrical, and truncate; margin 

 of pygidium with minute median depression on each side with 

 two or three short setae. — Fiorinia expansa Mask. — Australia 



on Melaleuca. expansa Mask. 



bb. Pygidium twice as long as broad, meson of caudal end with 

 asymmetrical lobe-like projection, sides with asymmetrical pseudo- 

 lobes, surface longitudinally striate; vulva located near cephalic 

 end of pygidium and anus located near caudal end; spiracles ele- 

 vated on small round tubercles; insects living in galls formed upon 

 upper surface of leaf, body swollen, pupa-like. — Ceylon on Grewia. 



secreta Green. 



