PAPILIONIDAE : RHODOCERIDI. 1837 



wing; besides this there are no other markings excepting that in the male there is a 

 narrow marginal black band running from just above the upper subcostal nervule to 

 the middle median nervure, its inner border crenulate, occasionally broken by the 

 nervules and limited to a narrower space ; in the females indicated only by some pow- 

 dery streaks upon the nervule tips in the upper half of the wing and by three or four 

 small powdery spots at more than an interspace's distance from the margin ; at the 

 extreme base of the costo-subcostal interspace in the male, extending as far as the 

 first divarication of the subcostal, is a large, quadrate, dull orange patcli of special 

 scales. 



Beneath, uniform yellow, slightly less greenish than above; hiiul wings a little 

 darker than the fore wings, occasionally flushed with pink along the costal and outer 

 margin, particularly on the hind wings, and also on tlie same along the under surface 

 of the subcostal and subniedian nervures in the basal third of the wing, and supplanting 

 the color of the spots of the same wing, excepting the silvery portions. Fore wings with a 

 large, round, black spot, covering the apical margin of the cell with a large, circular, sil- 

 very pupil with somewhat irregular outline ; the costal edge, the outer half of the costal 

 margin and the outer margin narrowly edged with pink, sometimes interrupted by the 

 nervures ; occasionally a few points of pink or brown may be seen at more than an inter- 

 space's distance from the outer margin in the interspaces. Hind loings with a pair of circu- 

 lar silver spots, one covering the upper half of the cross-vein, uniting the subcostal and 

 median interspaces at the tip of the cell; the other about one-third its size, resting on 

 the outer subcostal nervule beside the former; each surrounded by a double ring of 

 ferruginous, the inner broader, the space between the two more or less flecked with 

 ferruginous ; a pre-marginal series of small ferruginous or pinkish ferruginous scales 

 in all the interspaces, but sometimes obsolete, at about the distance of an interspace 

 and a half from the outer border. Expanse of wings, ^ , 59-6.3 mm. ; $ , 53-69 mm. 



The following descriptions of the early stages are by Mr. Edwards, with the usual 

 modifications : 



Egg. Fusiform, thick in middle, tapering to a small, rounded summit; marked by 

 about eighteen longitudinal ribs, these being low, narrow, the spaces between flat and 

 crossed by many fine ridges. Color yellow green. 



Caterpillar. First stage. Head rounded, a little depressed at top; on the face 

 many rounded tubercles, each with depressed black hair; color pale yellow brown. 

 Body cylindrical, thickest anteriorly ; on the ridges of the segments many black points, 

 each with a short, black hair; among these are black tubercles, some with long hairs, 

 but most with white, clubbed appendages, which form three longitudinal rows on 

 either side, one appendage in the row to the segment; "these rows are subdorsal, 

 upper and lower lateral" ; color greenish white, with a tint of brown. Length, 2 mm. 



Second stage. Head rounded, nearly same green as the body, tubercles and hairs 

 more numerous than Iiefore. The ridges of the body thickly beset with black points', 

 each with black hair; among these are small tubercles of same coUsr, mostly on middle 

 of each ridge, with longer hairs ; along Ijase a yellowish, narrow stripe, and over it, 

 on the second and third thoracic segments, a rounded black process; another larva 

 showed this stripe only near the close of the stage, and had not the black process; 

 color yellow green. Length, 2.6 mm.' 



Tliird stage. Head yellow green, more thickly covered with small tubercles, scat- 

 tered among which are others, larger. Color of body yellow green, with yellowish 

 basal band ; the processes on the thoracic segments as before, shining, black. Length, 

 5.3 mm. 



Fourth stage. Head yellow green, a little lighter than body. Color of liody yellow 

 green, the band greenish white; the two processes on the thoracic segments present; 

 on dorsum of the first thoracic and following segments are very small, black, rounded 

 processes in cross line, and equidistant, placed on the second section of each segment; 

 these are very variable in number ; one larva had four on the first thoracic and two 

 each on the other thoracic segments, no others ; another had three on tlie first thoracic, 

 one on one side, two on the other, six on the second, two on the third thoracic seg- 



