1 897.] ENTOMOLOGICAL NEWS. 147 



tification, and not that to be adopted in the collection. Insolita 

 is the only species not before me, and is omitted for that reason; 

 dentata and pyralis seem improperly referred to the genus. 



Synopsis of Groups. 



Primaries well developed, trigonate, outer margin oblique, apices some- 

 what drawn out; all the markings usually normal, but tending to 

 break up into spots or blotches on the transverse lines, which are 

 often marked on the costa only; psi marks not prominent. 



Group Americana. 



Primaries rather abruptly widening on inner margin at base, less obviously 

 trigonate, outer margin arcuate, the. apices rectangular, or even 

 a little rounded. 

 Vestiturc smooth, the markings not picked out by elevated scales; the 



dagger marks prominent Group Lobeliae \ 



Vestiture rough or squamose, the markings picked out by elevated 



scales. 



Psi marks evident, wing form as in lobelia . . Group Lobeliae ^ 



Psi marks wanting or barely indicated, primaries trigonate, apices 



rectangular; broader than in lobelia? in proportion to length. 



Group Persuasa. 



Psi marks present or wanting, costal margin arcuate, the primaries 

 widening abruptly near base and subequal . Group Hamnmelis. 

 Primaries short, trigonate, stumpy in appearance, or long, narrow, sub- 

 equal or lanceolate . . . Group Auricoma. 



Groups According to Genital Structure. 



Lateral clasper a single, long, curved hook, arising abruptly from the 



harpes . Americana. 



Lateral clasper scoop shaped, with a projecting long upper angle; with 



or without a finger-like process from upper margin, lohcliir \ Lobeliae. 

 Lateral clasper flat, with a long projecting angle and a finger-like process 



from upper margin . . . Persuasa. 



Lateral clasper beak like, with or without a superior process; arising 



separately from harpes . . . . /obelur % Grisea 



Lateral clasper hook or beak like; arising from an oblique thickening at 



the middle of the harpes . . . Hamamelis. 



Lateral clasper a slender claw, hook or process above, and a short, stout, 



inferior process, somewhat like a short thumb and a long curved 



fore-finger . . . . Auricoma. 



