82 
LAMPRA. By Dr. M. Dratjdt. 
is small, round, the reniform macula strangulated in the centre, generally darkened at its upper and lower ends; 
the double transverse lines are darker than the ground, between them it is somewhat lighter; marginal area 
often somewhat bluisli-grey. Hindwing very dark. At the end of the penis there is a large chitinous 
plate with a spine-like projection at its end, which is absent in all the other species. Arizona, Utah, California. 
nevadensis. — nevadensis B. & McD. is a particularly light form with hardly more visible markings. Nevada. 
forbesi. L. forbesi Benj. has a just as variable though duller ground-colour, mostly smoky-grey, often with 
a reddish tint, the maculae surrounded with a lighter yellowish; marginal area usually of a more bluish- 
grey tint with a darkened area before it, the darkest at the costal margin. Penis peculiarly strongly ribbed, 
by what forbesi is discernible from all the other species. From Utah (Stockton). 
duanca. L. duanca Sm. (12 g). Forewing blackish-brown, often tinted reddish with a silky lustre, head and 
thorax with a yellowish or orange tint; transverse lines distinct, though feeble, maculae small, in whitish rings. 
It has narrower wings than the very similar nefascia. Expanse of wings: 30 to 34 mm. Utah, California. 
nefascia. L. nefascia Sm. (,,negascia“ ex errore) has the ground-colour of the forewing varying in all shades 
from yellowish-grey, brownish-grey to brick-coloured red, the marginal area often of a contrasting bluish grey, 
but just as often not so; it is, on the whole, a smaller species with a darker banded subterminal area, 
the markings more blurred owing to somewhat darker strewing, with rather small maculae being usually some¬ 
what darker and surrounded by broad rings of the ground-colour. Canada to California and Arizona. 
variata. L. variata Grt. {= varix Grt., orbitis Strd.) (12 g, h). The forewing exhibits small bluish-grey scales 
and above them larger scales of a different colour, varying according to the habitat; in Utah, for instance, 
there occur more reddish-brown specimens, in California such with a darker and more olive tint, in Northern 
California, Washington and British Columbia there are on an average more grey forms, but amongst them all 
kinds of transitions. It is a larger species (36 to 42 mm) with broad wings, the maculae edged with a darker 
colour, the transverse markings of the ground-colour. Beside the habitats stated above it is also known from 
orbis. Colorado, Nevada, Arizona, and New Mexico. — ab. orbis Grt. is monotonously olive-grey or brownish without 
the bluish-white or greyish-white substratum. California. 
scopeops. L. scopeops Dyar is on an orange somewhat smaller than variata with more distinct and more 
salient markings and a narrower distal margin and a somewhat lighter, loamy-yellowish ground-colour on 
the thorax and the bases of the wings, whilst the wings are otherwise of a darker violettish brown, the upper 
maculae are in whitish rings; the marginal area is bluish ash-grey. British Columbia, Washington, California. 
alternata. L. altemata Grt. (12 h) is a large species with more quadrangular]y shaped wings; the large, oblong 
ring-macula is somewhat oblique, the reniform macula is large and broad, both are clearly and distinctly surroun¬ 
ded with whitish; the marginal area is generally somewhat lighter; the undulate line is characteristic, for it forms 
a rather distinct W. The species is common and widely distributed from Canada to Arizona and New Mexico. 
The brown, darker watered larva with dark oblique subdorsal shades which are posteriorly bordered with a 
light colour, and with a white, undulate lateral line, lives on oaks, hickory etc. 
insular is. L. itisularis Grt. (= formalis limps. ) (12 i). Forewing purple reddish brown, the costal-marginal 
area mostly more ash-grey inclusive of the collar; transverse lines blackish, double; a black, short basal ray 
is present; the reniform macula is in a fine light ring; the cell before and between the maculae is black; the 
ring-macula is towards the costa often broadly open, the coniform macula is distinctly present; characteristic 
confusa. are the antennae with very long cilia almost looking like ciliary tufts. Canada. — f. confusa Sm. (12 h, i) is 
of a brighter reddish brown with a light yellow collar and costal-marginal stripe, with similar rings round 
the maculae; undulate line light yellowish, the space before it darker brown. This form extends farther to 
the south across Washington to California. 
cxscrtistuj- L. exsertistigma Morr. (12 h) is presumably the most difficult species of the whole genus and undoub- 
>na. tedly does not represent a stable species, but a form that is about to split into several other species. In its exterior, 
colouring and marking it is extremely inconstant, and even the genitals prove to be considerably variable, so 
that owing to the existence of innumerable transitions it is to-day only possible to insert here all the names 
of the forms merely as forms and not as good species. Characteristic is a large, loose, parted dorsal tuft 
on the thorax beside finely ciliated $ antennae. The ring-macula is above open, the discal area darkened blackish, 
the coniform macula distinct and of a different colour, the ground-colour rather light, the transverse markings 
distinct, the collar has a broad black or at least dark distal margin, the cell is not darkened black between the 
obscrvabilis. maculae. California. —- f. observabilis Grt. (12 i) has a darker ground-colour, all the transverse markings are 
formalis. distinct, the maculae blackened, their surroundings strewn with yellowish. —f. formalis Grt. (= faculoides Strd.) 
varies in the ground-colour, but it is more frequently lighter than darker, the transverse markings are indistinct. 
facuta. — f. facula Grt. (— faculella Strd.) differs from the preceding by the cell being filled up with black. — f. niger 
n ' !,u - Sm. is a smaller, more blackish form with a purple tint and likewise the cell filled up with black, whereas 
