174 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 



238. Catocala arnica (Uuhner). 



Mr. Coquillett found two caterpillars of this moth {G. androphila, 

 Guen.) in Illinois on a burr oak tree June 5. They spun cocoons about 

 disclosing the moths July 24. Abbot also figured in manuscript the 

 July 3, caterpillar, which he found on the oak. 



Larva. — Body slender, dull greenish yellow, a light dorsal stripe, on each aide of 

 which is a darker stripe on which is a row of black piliferous spots; a stigmatal 

 row of black piliferous spots ; on top of segment 8 is a slight prominence ; under side 

 of body greenish white, with a row of black spots in the middle, one spot to each 

 segment; the two anterior pairs of abdominal legs smaller than the two posterior 

 pairs. Head gray, with two white spots on the upper part of the face. Length, IJ 

 inches. (Coquillett). 



Moth. — Fore wings pale gray, the lines fine, not very evident, the transverse ante- 

 rior line the heavier marked. A distinct black median shade on costa above the 

 reniform and continued beneath it, running upward to external margin below apex. 

 A brown shade fills the space left by the exserted portion of the transverse posterior 

 line beyoud the reniform. This black median shade is marked on costa, but else sub- 

 obsolete in all the males I have before me, and the brown sliading very faint. The 

 transverse posterior line minutely dentate without prominent teeth. Subreniform 

 small, pale, and both spots inconspicuous and often incompletely ringed. The ser- 

 rated subterminal white shade is tolerably distinct ; fringes dark. Hind wings bright 

 yellow ; a broad thick terminal band is squarely discontinued and appears as a black 

 dot at anal angle. Fringes dark except at apex, where is a small yellow patchy 

 Beneath the marginal band is brokenly and narrowly continued to anal angle, and 

 the median band is indicated by tolerably large spots or fragments. A specimen 

 from Texas differs by its dirty, ocherous gray primaries much shaded with deep 

 black, and may be a distinct species. Expanse 40 to 45™™. (Grote). 



239. Catocala micronympha Guen^e ( C. fratercula G. & R.) 

 Order Lepidoptera ; family Noctttid.e. 



The caterpillar lives on the live oak in early spring in Florida, the 

 insect remaining in the pupa state two weeks (A. Koebele, Bull. Brook- 

 lyn Ent. Soc. i, p. 44. It also feeds on the burr oak in Illinois. 



According to Coquillett it spun its cocoon June 1, disclosing the moth 

 June 28 [Papilio, i, 7). 



Larva. — Body ashen gray, the dorsal space dark gray, and on its outer edge is a row 

 of black piliferous spots; on top of segment 8 is a conical dark-gray projection, 

 tipped with whitish ; posterior part of segment 8 blackish ; body beneath pale green- 

 ish white, with a row of black spots in the middle, one spot to each segment ; the two 

 anterior pairs of abdominal legs are mnch smaller than the two posterior pairs ; head 

 light gray, bordered on the top and sides with black. Length, If inches. 



Moth. — Of moderate size, varying in the distinctness of the median black shade, 

 which ascends as usual to the external margin. The median space is sometimea 

 shaded with whitish before the reniform spot. There is no sinus to the transverse 

 posterior line. The shape of the median band varies in being more or less acutely 

 produced opposite the anal constriction of the hind border. The fore wings vary in 

 depth of color. Expanse of wings, 42 to 46'"™. Rhode Island to West Virginia. 

 (Grote.) 



This moth is very variable; var. atarah is slightly lighter than the type form ; var. 

 jaquenetta has olivaceous fore winas with indistinct lines, and a dark shading toward 



