POLIA. By Dr. M. Dratxdt. 
108 
renigera. 
stricta. 
cinnabari- 
na. 
tenisca. 
circumcinc- 
ta. 
soligena. 
spiculosa. 
lorea. 
olivacea. 
cornis. 
obscurior. 
lucina. 
altua. 
ob nigra, 
davena. 
rectilinea. 
pctita. 
van-media. 
hamara. 
P. renigera Steph. (= herbimacula Gn., infecta Wkr.) (16 h). Forewing purple brown, in the basal 
area below the cell with an oblique black streak and a golden green spot as far as the anterior transverse line 
which is proximally scaled somewhat lighter; behind the distal transverse line some green scales; the renifornr 
macula is pupilled green and encircled with black and white, behind and below it is black dusting; behind the 
post median line there is a green spot towards the proximal margin; the undulate line consists of small black 
spots with green and light scales no them, the marginal area behind it is darkened by blackish. Hindwing white, 
costal margin and distal margin brownish. Canada to Colorado. —- Larva dirty brown, on the dorsum yellowish 
with brown rhombic spots in it, with narrow indistinct subdorsal lines and lateral stripes being upwards bordered 
with black. It lives on low plants. 
P. stricta Wkr. {— ferrea Grt.) (16 h) is a smaller, red-brown species with single dark transverse 
lines, the small maculae encircled with black, the reniform macula with a purely white ring, on the median 
proximally produced, between it and the ring-macula a dark median line; behind the light undulate line the 
marginal area is dark brown. Hindwing yellowish-brown. Canada, United States. —- f. cirmabarina Grt. is 
not red-brown, but dark brown with a purple tint, the subterminal area except the costal-marginal part is 
red. California. —- f. tenisca 8m. (16 h) is larger, more yellowish-reddish, in thediscal and marginal areas darker, 
in the subterminal area yellowish, towards the undulate line passing over into a bright velvety reddish; the 
transverse lines are filled up with white. Utah, Montana. 
P. circumcincta 8m. (16 h) is very similar to stricta, larger and darker with somewhat larger maculae, 
the reniform macula proximally not or hardly produced, the subterminal area being particularly towards the 
proximal margin much lighter purple grey. The hindwing is much lighter, yellowish-white with somewhat 
darkened margin and veins. California. 
P. soligena Mschlr. (16 h) somewhat recalls the palearctic B. arnica Tr. (vol. Ill t. 15 e), but it is much 
smaller. Forewing violettish-red, in the basal and discal areas darkened with brown, with double black trans¬ 
verse stripes with light yellow fillings, the posterior stripe dentate, and with large maculae in yellowish rings and 
encircled with black; from the darker reniform macula a dentate median line extends to the yellowish proximal 
margin; the interrupted undulate line is yellowish-white. Hindwing greyish-brown. Described from Jamaica. 
P. spiculosa Grt. (16 i) resembles renigera, but it has no green. Groundcolour purple brown, feebly 
dusted with grey, the double transverse stripes are finely filled up with white; characteristic is the reniform 
macula being below proximally extended into a point, on the blackish ground; the subterminal area is lighter 
and more reddish, the undulate line is light, the marginal area behind it darkened. Hindwing white, on the 
veins and margin brown. Nevada, Arizona. 
P. lorea Gn. (= ligata Wkr., dodgei Morr.) (16 i). Forewing light red-brown, strewn darker, in 
the discal area suffused with a deeper red, with brown-striped veins and single transverse lines; the maculae 
are in grey rings and encircled with dark brown, the reniform macula in the lower part pupilled blackish, between 
both a dark median line; the light undulate line is proximally bordered with brown. Hindwing yellowish- 
brown. Canada, United States to Colorado. —■ The yellowish-brown larva with blackish rhombic spots on 
the dorsum lives polyphagous on low plants. 
P. olivacea Morr. (16 i) is an extremely variable small species, with many forms, which, however, 
are not yet sufficiently cleared up with respect to their position and exclusiveness. In the nomenclatural type 
the forewing is grey mixed with olive-green and suffused and strewn with black, particularly in the discal area; 
transverse lines single, only partly double, on the averted sides bordered with grey, the maculae olive-green, 
strewn with single small black scales, in lighter rings and finely encircled with black; subterminal area somewhat 
lighter grey, analwards reddish-brownish, the undulate line light, proximally olive-green, distally bordered 
with blackish, in the marginal area the veins are striped black. Hindwing brownish-grey, towards the base 
lighter. — f. comis Grt. (16 i) is in the basal and subterminal area as well as on the shoulder-covers more or less 
white, also the reniform macula is in a white ring.—• obscurior Sm. (16 i), described from Maine, is somewhat 
darker, the markings less contrasting than is usually the case in the normal $. —- lucina Sm., from Manitoba 
and Wyoming, is somewhat darker with a contrastingly red-brown tint at the anal angle of the forewing. •—- 
altua 8m. (= megarena Sm.), from Colorado, is still darker. — obnigra Sm., from Vancouver and Oregon, is a 
similar form, but with a decided greenish tint at the anal angle. —• davena 8m. from the Sierras is somewhat 
larger, with brighter markings, and a predominantly red-brown admixture in the basal and anal areas. — 
rectilinea Sm., from Vancouver, California and Oregon, is a western race with abundant green and yellowish- 
greenish tints on the forewing with a similarly coloured discal area which is prominently blackish in petita Sm., 
from Washington and Vancouver. —- f. vau-media Sm. is an aberration from Colorado, in which the transverse 
lines are united like a V at the proximal margin. —- In Mexico the form hamara Drc. (16 i) flies beside typical 
olivacea and comis. It approximates obscurior which likewise occurs there, but it is somewhat lighter, though with 
hardly any green tints, more uniformly purple-grey, in the postmedian area somewhat lighter, with reddish- 
brown subanal tints, the reniform macula distally thickly marked white. -— The other forms fly from Canada in 
the whole of the United States to Florida and California . —- Larva almost just as variable as the imago, changing 
from greyish-brown to reddish-brown, with dark lunae crossed by the light dorsal line, with or without light 
reddish lateral stripes. It hides in day-time on low plants. 
