( 534 ) 



longer teriuiiial one tibout as long as second tarsal segment; mickarsns with 

 L'oml) ; paronycliinm and pulvillns jiresent. 



<5. Tenth segment simple (PI. XLIV. f. 25 — 28) ; tergife narrow, sides parallel 

 or slightly slanting distad, apex sinuate, truncate, or entire ; sternite boat-shaped, 

 shorter than tergite. Clasper with fiiction-scales, which vary in size and nuniler; 

 harpe (PI. IL. f. 1 — ■")) slender, simjile, mostly somewhat spatnlate. Penis-sheath 

 with a right and a left process, the one or the other sometimes not detached, being 

 replaced by a series of teeth. 



?. Vaginal plate elongate triangular, tip truncate, edges somewhat incrassatc ; 

 orifice large, free, with the edges somewhat raised but simple. 



Larva tapering in front ; a small lateral ocellus on fourth segment ; horn first 

 long, in later stages short and strongly curved. — Food- plants : Aroi(/i'/i(;; ('nldi/ium; 

 rliiloileiirlroii. 



Pupa with tongue-case somewhat enlarged ; cremaster rounded, flattened, 

 with hooks at end, a deej) cavity before it (PL LXIV. f 19). 



JIab. Oriental Kegiou. 



Twelve species. 



The most interesting character of this genus is the Thercfrn-WVc cud-segment 

 of the antenna. 



Key to the species : — 



a. Forewlng with a broad yellowish creamy line 

 from near base to near apex ; hiudwing 

 orange rufous, with brown border . . 451. 1'. micliolilzi. 

 Forewiug without this conspicuous line . . . . b. 



h. Interspace between the autemedian and the 

 diseal lines of forewing green, like head 

 and thorax ...... A.i'l. I', biigirin. 



Median intersjiace not green ...... r. 



c. Forewiug with a consjncuous semitransparent 

 sjiot SC — R' mid way between base of 11' and 



outer margin, besides the submarginal spots 45:!. /'. splenilfns. 

 Forewing without that spot . . . • . ■ <l- 

 (I. Tliird and fourth diseal lines of forewing 

 heavily dentate, mesothoracic tegula with 

 pale golden metallic scales at hinder edge . 4(i'J. /'. iin/doii. 

 Third and fourth diseal lines of forewing not 



dentate behind ........ e. 



<\ Median interspace (between the distinct ante- 

 median lines and the first diseal line) pale, 

 band-like, a pale shade crossing tlie diseal 

 lines between R^ and R', distal margin not 

 angulate, not denticulate .... 458. P. vuriolo.vi. 



Median interspace not band-like, antemedian 



lines indistinct ........./. 



/. Distal border of hiudwing below dilated before 



middle ......... ij. 



Distal border of liindwing below not dilated 



before middle ........ l. 



