REVISION OF SPKCIKS OF THE fiENlJS AGROTIS. 55 



SYNoi'sis or si'KCir.s. 



Antenna ^ distinctly liipcctinafe. 



Costa convex or straigiit; apices of ininiaries not produced. 



Kn,st red brown ; ordinary .spots olisoicte; median lines broad, curved, parallel, 



single MONOCIIUOMATKA. 



More intermixed ^\itb gray; transverse lines not parallel; ordinary spots pres- 

 ent, small, black, indefinite manh'KSTa. 



Moroluteous; transverse lines all narrow, distinct; ordinary spots large, con- 



colorous, neatly outlined riciuircixoiDKS. 



Costa deiiressed, concave; apex of primaries produced. 



Clavil'orm distinct, dark brown; s. t. lino even, pale; terminal s))ace darker, 



SAMCAIUM. 



Claviform oltsoletc; s. t. line uneven ; terminal space pale, stetd gray, 



OKAKKNSIS. 



Antenna ^ serrate. 



Cell lilack between ordinary spots; claviform moderate; transverse lines usually 

 indistinct caknea. 



Antenna ^ simple, ciliate. 



T. a. line angulato or dentate on costa, outwardly bent beneath vein I-.wockki 



Pachnobia nionochroniatea Morr. 

 1874. Morr. Proc. Bost. Soc. N. H., 17, !(>.">, Agrotis. 



Ferrugineous, sprinkled with black atoms. Transverse lines simple, 

 broad, sitboqual, parallel, approximate, evenly curved outwardly. tS. t. 

 line and ordinary spots obsolete. Secondaries paler, reddish luscous. 

 Beneath paler with ferruginous scales, an incomplete common dark line. 

 Head and thorax coucolorous. 



Expands 31"""; 1.25 inches. 



Habitat. — Massachusetts. 



A single $ , the type, examined. The insect is very easily recognized 

 by the simple markings, and especially the parallel median lines. It 

 must be rare, as I have never seen any other sjiecimeus and have heard 

 of none taken. 



Pachnobia manifesta Morr. 

 1870. Morr., Tr. Bost. Soc. N. H., 18, 116, Agrotis. 



Red to ferruginous brown, more or less irrorate with black scales ; the 

 transverse lines single, dark, well defined. Basal lines distinct. T. a. 

 line $ upright, thrice waved between veins, rather remote from base ; 

 2 much more even, oblique. T. p. line nearly parallel with outer mar- 

 gin. S. t. line forming the beginning of a slightly paler terminal shade ; 

 its course sinuate. Claviform obsolete ; ordinary spots dark indefinite ; 

 orbicular punctiform ; reniform ovate or somewhat lunate. Seconda- 

 ries fuscous. Beneath fuscoferrugiuous, powdery with a variably dis- 

 tinct common line. Head and thorax concolorous. 



Expands ;>1-31"'"' ; 1.25-1.35 inches. 



Habitat. — Long Island, New York. 



