lot) :\IEM01KS OF THE NATIONAL ACADEMY OF SCIENCES. 



W'f uild also the following description, furnished by Doctor Riley, who has compared it 

 with the caterpillar of Anisota stigma: 



■' Pellucidd i-i)iiie< nearest to A. stigma in general appearance, but the spines are shorter, more pointed, uniformly 

 black; the color is darker, being almost black, so that the papilUe, which are rather denser, give the dark portion a 

 bluish cast; the subdorsal and stigmatal lines are of a more intense red, inclining to pink, and the stigmatal line is 

 rather broader than the subdorsal. The average length is somewhat less and the larva more slender than in stigma; 

 the shorter, blacker spines, deeper colors, and stronger contrast between the lines at once separating it from stigma." « 



Specimens, without much doubt belonging to this species, though we have not found the 

 moth in Maine, occurred on the red oak at Brunswick, Me., August 28. The bod}- was greenish, 

 with dark dorsal and lateral, not " reddish," bands. 



Ptijxition. — One larva 25 mm. in length pupated about September li'-l-l. In casting the 

 larval skin the head split along the middle from the front edge, on the left side of the clypeus up 

 along the median suture, and through the median line of the thoracic segments to a point half 

 through the 3d abdominal segment. 



Variation. — From the batch of eggs received from Albany. N. Y.. about 250 larv:e hatched. 

 The entire number did not show any perceptible variation in color or in the length of the horns. 

 They had been placed in a gauze bag tied on the end of a small oak tree; but thev soon crawled 

 out of the bag and were found huddled up together on the under side of a leaf. 



Mr. Joutel informs me that the larva? of the first stage are all similar in color in all he raised, 

 but the other stages vary in the amount of pink in the stripes, some in the third stage showing 

 only a slight trace of it; they also vary in the amount of green. 



PajHi. — S . The body is slightly slenderer than in the S of A. ■/■(thivit/ula, the spines not 

 quite so stout, while the cremaster is not cjuite so thick; the surface has similar punctures; other- 

 wise the characteristics of the species are those of the genus. Length, 23 mm. 



Food plants. — Oak of difi'erent species. 



TIahits. — This species (^1. vlrginiensis) has been said by Fitch to have been common for 

 many years in Salem, N. Y., where ^4. stigma has seldom been seen. The larvse mostly enter 

 the ground to transform into the pupa early in August, though some remain on the trees as late 

 as the middle of September. 



Parasifex. — Liinneria fugitira Say attacks the caterpillar when about one-third grown, a 

 single &^^ being deposited in each caterpillar, the larva spimiing a slight cocoon within its host. 

 A Tachina oviposits several eggs, usually in the neck of nearly full-grown caterpillars. 



Geographical (list I'ihut ion.— '&Y\\\\^-^\<A^, Me. (Packard); Plattsburg. N. Y. (Hudson); Boston, 

 Mass. (Harris); Williamstown, Mass. (Grote); Attleboro, Mass., June 18 (Packard); New York 

 (Grote, Elliott); Kliode Island (Clark, Dearden); Columbus. Ohio (Tallant); New Jersey (''com- 

 paratively scarce," Smith): Maryland (Strecker); St. Louis. Mo., and Virginia (Riley): Minne- 

 sota (Lugger); Georgia (Abbot). (See Map IV.) 



^ISriSfJTA CONStJL^RIS Tlyav. 

 Anisola roiisidaris l)v.\it, .Tourn. X. Y. Ent. Soc. IV, p. 16fi, Dec, 1896. List N. A. Lep., p. 75, 1902. 



Larra. 

 (PI. V. tig. 8.) 



" //iiago.—yhi\p: smaller than the female; body ocherous brown, wings dark purplish brown, 

 a larger ill-detined subhyaline space in the center of the fore wings; a round white discal dot. 

 Terminal space more purplish than the basal part of the wing. 



" Found on different kinds of oak, October 2, 1873, many larvpe looking like D. stigma. The form is the same, 

 but they iliffcr considerably from them in color and markings. It is to Vje distinguished from D. stigma in its smaller 

 size, in the ground color of the <lark parts being blacker, the papilliie being yellow instead of white, and in the ]ialer 

 vittiE l)eing of a deep jiink or lake-red. The head and anal shield are more olivaceous, and the spines are shorter and 

 stouter. The whole larva is more brightly and distinctly marked. Moths issued April 22, 1874. 



Rome of the dried larva skins were brought from Loudoun County, Va., in July, 18K1. (Riley's unpublished 

 notes. ) 



