76 INDEX TO MISSOURI ENTOMOLOGICAL REPORTS. 



subclorsal and stigmatal line, caused by these patches becoming larger and darker ; 

 another and still less distinct line of the same kind under stigmata. The dorsal line 

 frequently with a very tine white line along its middle, especially at sutures of seg- 

 ments. Piliferous spots in the normal position; those above black, those at the sides 

 lighter. Stigmata black. Head and cervical shield tawny, the latter with a small 

 black spot each side, the former with two in front, and two eye-spots each side. Cau- 

 dal plate tawny, speckled with black. Venter and legs glaucous. Bristles fine and 

 small. Filled with food it wears a much greener appearance than otherwise, while 

 when young it is of a more uniform dirty whitish-yellow, the lines less distinct but 

 the piliferous spots proportionately larger. Head quite variable in depth of shade. 



Perfect Insect. Average length 0.70 [inch, = 17.5 mm ] ; alar expanse 1.50 [inch, = 

 37 mm J. General color of fore wings very light pearly bluish-gray, with a perceptible 

 deepening posteriorly. Quite variable, sometimes of a more decided blue, at others 

 inclining to buff as in Leitcania unipuncta, Haw. Markings, when distinct, as in 

 Plate 1, Figures 5 and 6. With the exception of the reuiforni spot and subterminal 

 line, however, they are usually distinct only on costa, being either indistinct or en- 

 tirely obsolete on the rest of the wing. The subterminal line is light, with a more 

 or less dark diffuse shade each side, which, in some instances, forms into sagittate 

 spots. A black stain at the lower part of reniform spot forms a most distinctive 

 character. Hind wings very pale and lacking the bluish cast of fore wings ; luuule 

 distinct, aud a dark shade, enclosing a lighter mark, as in Heliothis, along posterior 

 margin. Eyes dark; head and thorax same as fore wings ; abdomen same as' hind 

 wings. The whole under surface the same as hind wings above, the luuules and arcu- 

 ated bands faintly traced, the fore wings having a darker shade in the middle. 



Described from 30 bred specimens. [First Kept., pp. 78-79. PL f, Figs. 5, 6. 



AGROTIS COCHRANII, Riley Imago. Fore wings of a light warm cinereous, shaded 

 with vandyke brown aud umber, the terminal space, except at apex, being darker and 

 smoky. Basal, middle and linibal areas of almost equal width, the middle exceeding 

 somewhat the others. A geminate dark basal half-line, usually quite distinct. 

 Transverse anterior geminate, dark, somewhat irregularly undulate, and slightly 

 obliquing outwards from costa to interior margin. Transverse posterior geminate, 

 the inner line being dark, distinct and regularly undulate between the nerves, while 

 the outer line is plain and much paler ; it is arcuated superiorly and inversely obliques 

 for two-thirds its width. Orbicular and reniform spots of normal shape, having a fine, 

 dark annulatiou, which is however obsolete in both, anteriorly ; the orbicular is cou- 

 colorous with the wing, whilst the reuiforui has a dark inner shade with a central 

 light one, and forms with the transverse posterior a somewhat oval spot which is also 

 dark. Median shade dark and distinct interiorly, shading off aud becoming indistinct 

 in center of wing, and quite dark between the two spots, giving them a fair relief. 

 Subterminal line single, light, acutely and irregularly dentate, with an inner dark 

 shade, but warmer than that of terminal space. Terminal line very fine, almost black, 

 slightly undulate. Fringes of same color as wing, with a light central line, having 

 an outer dark coincident shade. A dark costal spot in basal area ; at termini of the 

 usual lines, and two light ones in subterniiual space. In some specimens one or two 

 fine dark sagittate marks are discernable, and also a fine black claviform mark. Hind 

 wings : whitish, with a darker shade along posterior margin. Under surface of fore 

 wings somewhat lighter than the upper surface and pearlaceous interiorly, with a 

 smoky arcuated baud more definite near the costa than elsewhere and a tolerably 

 distinct lunule. Under surface of hind wings coucolorous; slightly irrorate with 

 brown anteriorly and posteriorly, and with an indistinct lunule and baud. Antennae, 

 prothorax, thorax, teguLe and body of same color as primaries, the prothorax having 

 a darker central line, and in common with the tegulie a carneous margin. Under 

 surface lighter ; legs with the tarsi spotted. 



This moth, in its general appearance, bears a great resemblance to Hadena chenopodii, 

 but the two are found to differ essentially when compared. From specimens of H. 



