THE 



ENTOMOLOGICAL SOCIETY 



OF WASHINGTON 



ORGANIZED MARCH 12, 1884. 



The regular meetings of the Society are held on the first Thursday of each 

 month, from October to June, inclusive, at 8 r. M. 



Annual dues for members are $3.00; initiation fee Jl.OO. Members are 

 entitled to the PROCEEDINGS and any manuscript submitted by them is given 

 precedence over that submitted by non-members. 



OFFICERS FOR THE YEAR 1921. 



Honorary President E. A. SCHWARZ 



President W. R. WALTON 



First Vice-President A. B. GAHAN 



Second Vice-President '. . A. G. BO' VING 



Recording Secretary R. A. CUSHMAN 



Corresponding Secretary-Treasurer S. A. ROHWER 



U. S. National Museum, Washington, D. C. 



Editor A. C. BAKER 



East Falls Church, Va. 

 Executive Committee: THE OFFICERS and A. N. CAUDELL, A. L. QUAINTANCE 



and E. R. SASSCER. 

 Representing the Society as a Vice-President of the Washington Academy of 



Sciences . S. A. ROHWER 



PROCEEDINGS 

 ENTOMOLOGICAL SOCIETY OF WASHINGTON. 



Published monthly, except July, August and September, by the Society at 

 Washington, D. C. Terms of subscription: Domestic, $4.00 per annum; 

 foreign, $4.25 per annum; recent single numbers, 50 cents, foreign postage extra. 

 All subscriptions are payable in advance. Remittances should be made payable 

 to the Entomological Society of Washington. 



Authors of leading articles in the PROCEEDINGS will be given 10 copies of the 

 number in which their article appears. Reprints without covers will be fur- 

 nished at the following rates, provided a statement of the number desired 

 accompanies the manuscript: 



4 pp. 8 pp. 12 pp. 16 pp. 



50 copies 2.00 4.00 6.00 8.00 



100 copies 2.25 4.50 6.75 9.00 



Certain charges are made on illustrations and there are rules and suggestions 

 governing the make-up of articles published. Contributors may secure infor- 

 mation on these points by application to the Editor or Corresponding Secretary. 



