THE CANADIAN ENTOMOLOGIST 179 



From the practical standpoint, it may be that an important 

 fact has been learned, namely, that the adults readily feed upon 

 and lay eggs into fresh pieces of cane cut from the plant and it 

 would seem desirable to try this method in place of the traps or 

 else in conjunction with them. Not only would the beetles be 

 thus caught, but also their progeny. These pieces could be strewn 

 about and collected, say, every week and burned. It is quite possible, 

 however, that the traps serve the whole purpose better because 

 they offer a hiding place and to catch and kill the beetles is to put 

 an end to all their progeny. Van Dine, in fact, states that this is 

 what actually occurs in the case of the trapping, What I have 

 seen of the latter would make me believe it to be an effective and 

 practicable remedial operation and when used in conjunction with 

 the operations already recommended by entomologists, there 

 should be little or no difficulty in combatting this insect. 



DOCTORS BARNES AND McDUNNOUGH ON FLORIDA 



LEPIDOPTERA. 



BY HARRISON G. DYAR, WASHINGTON, D.C. 



The article by Drs. Barnes and McDunnough on pages 27-31 

 of the January Canadian Entomologist has been noted. The 

 article makes the appearance of a vindication, but is so vague 

 that it can scarcely be answered. The gentlemen plead guilty. 

 The plea may perhaps be considered to procure an ameliorization 

 of sentence; at least, I shall be very glad to see any of their names 

 rescued from the sorry pile of synonymy that they have created. 

 Of positive statements in the gentlemen's paper there are but two: 



1. Acidaliodes eoides B. & McD. is not a Pseudocraspedia, but 

 a good species. I must, of course, accept their statement of fact, 

 which I am very glad to do. 



2. Manatha nigrita and Prochalia pygmcea are separable from 

 Platceceticus gloveri by the presence of vein 6 in the hind wing in the 

 former and the absence of a branch to vein lb of fore wing in the 

 second. These characters are of value, I believe, and are not value- 

 less like the condition of the radial nervules, which I had in mind in 

 speaking of carbonaria. It gives me pleasure, therefore, to retract 

 the synonymy of these species and to recognize Manatha nigrita as 



