96 Journal New York Entomological Society. [Vol. xiv. 



Synopsis of Species. 



Fore wings light brown with a white discal dot cannahs. 



Fore wings yellowish white with complicated dark brown lines primordialis. 



Geshna cannahs Quaintance. 

 Hydrocampa cannalis (Quaintance, Bull. 45, Fla. Exp. Sta., 68, 1S98. 

 Nympkula cannalis Dyar, I'roc. Ent. Soc. Wash., iv, 463, 1901. 

 Nymphula cannalis Fernald, Bull. 52, U. S. Nat. Mus., no. 4494, 1903. 



Entirely buff brown, a little purplish-tinted ; a quadrate white discal dot with a 

 black dot on inner side and cusp without ; inner line fine, black, strongly excurved 

 on median vein ; outer punctiform, dentate, regularly outcurved. Hind wing with a 

 fine dentate outer line, somewhat digitately projected on middle segment, the inner 

 segment sharply retracted to lie in line with the discal dot ; a fine terminal dark line 

 and line in fringes on both wings. Below paler ; fore wings with discal dot as above, 

 but more distinct and with an oblique black line below it ; outer line punctiform, 

 slight, bent at an angle on costa. Hind wing with discal dot and outer line, the 

 latter punctiformdentate, not dislocated. Expanse 18 to 24 mm. 



This species probably occurs in the West Indies, but I have not as 

 yet seen a previous descrip'ion of it. 



Florida (Quaintance). 



2, Lake City, Fla., November 25, 1896 (A. L. Quaintance); 13, 

 Palm Beach, Fla., February and March, 1900 (H. G. Dyar) ; 2, Fla. 

 (coll. Prof. C. H. Fernald). 



The larva has been fully described by Quaintance as the " Canna 

 leaf roller." He says that the larvae were injurious to Canna indica 

 at Lake City by rolling the leaves and eating out the parenchyma 

 from the inner (upper) side of the leaves. I have observed the same 

 injury to the wild Carina at Palm Beach. 



Egg. Slightly longer than broad ; even outline, very flat ; clear whitish yellow ; 

 surface with irregular hexagonal lines. Size .85 X -93 nim - Laid in patches of six 

 to fifteen. 



Stage I. Head cordate, yellow, eyes brown. Body cylindrical, slightly taper- 

 ing, yellowish, somewhat transparent ; abdominal feet with a single row of brownish 

 hooks. Tubercles normal, very small, annular; setae large and stout with slightly 

 swollen tips, normal (seta iib of the thorax is not shown in the figure, but should be 

 present; it is probably so small that the artist overlooked it), primary ones only 

 present, iv and v of abdomen approximate, superposed. 



Stage VI. Plead cordate, yellow, clypeus yellowish brown, jaws brownish 

 black ; width 1 mm. Body cylindrical, tapering somewhat to the ends, yellowish 

 white, transparent, greenish from the contents of the alimentary canal. Abdominal 

 legs with a circle of stout brown hooks. Tubercles normal, subprimary ones present, 

 the tubercles of thorax and i to iii of abdomen expanded into large plates ; ia -|- ib, 



