2 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 74 



PSILOPUS CLAVIPES Aldrich 



Psilopus dlavipes Aldkich, Biologia, Diptera, vol. 1, 1901, p. 363. 



One male was taken by C. M. Rouillard, La Providencia, Siquinala, 

 Guatemala. J. M. Aldrich took many in April, 1926, at the same 

 place, and one at Antigua, Guatemala, May 3, 1926. Nathan Banks 

 took one at Bella Vista, Panama, August 7, 1924, 



PSILOPUS PRAESTANS Aldrich 



Psilopus praestans Aldrich, Biolo^a, Diptera, vol. 1, 1901, p. 354. 



Four males and one female were taken by J. M. Aldrich, in 

 Guatemala, at La Providencia, Siquinala, April 15 and 16, 1926, and 

 at Quirigua, May 7, 1926. 



PSILOPUS CILIIPES Aldrich 



Psilopus dUipes Aldrich, Biologia, Diptera, vol. 1, 1901, p. 355. 



Nathan Banks took two at Barro Colorado Island, Panama Canal 

 Zone, June 20 and July 22, 1924; one at Las Sabanas, Panama, July 

 7; and one at Bella Vista, Panama Canal Zone, August 7, 1924. 



PSILOPUS COMATUS Loew 



Psilopus comatus Loew, Neue Beitr., pt. 8, 1861, p. 89; Mon. North Amer. 

 Dipt., pt. 2, p. 262, 1864. 



One male taken by Nathan Banks at Fort Davis, Panama Canal 

 Zone, August 7, 1924. 



PSILOPUS FORCIPATUS Aldrich 



Psilopus foroipatus Aldrich, Biologia, Diptera, vol. 1, 1901, p. 362. 



C. T. Greene took one male April 7, 1926, at Ancon, Panama Canal 

 Zone. Nathan Banks took seven males and females, August 8, 1924, 

 at Bella Vista, Panama, 



PSILOPUS CHRYSOPRASIUS Walker 



Psilopus chrpsoprasvus Walker, List, pt. 3, 1849, p. 646. — Loew, Mon. North 

 Amer. Dipt., pt. 2, 1864, p. 265. 



One pair, taken by C. T. Greene, March 22 and 28, 1926, at Ancon, 

 Panama Canal Zone. 



PSILOPUS PURPUREUS Aldrich 



Psilopus purpureus Aldrich, Biologia, Dipt., vol. 1, 1901, p. 362. 



Seven males and females were taken by C, T, Greene, March 22 to 

 April 22, 1926, at Ancon, Panama Canal Zone; one male taken by 

 Nathan Banks, August 8, 1924, at Bella Vista. 



