4 PROCEEDINGS OF THE NATION.VL, MUSEUM vol.75 



PLAGIOGNATHUS SIMILIS var. SIMILIS Knight 



Glencarlyn to mouth of Four-mile Run, Va., June 17, 1914, McAtee; 

 Plummer Island, Md., July 20, 1926, Knight. 



PLAGIOGNATHUS SIMILIS var. FURVUS Knight 



Plummer Island, Md., July 20, 1926, Knight. 



PLAGIOGNATHUS ROSICOLA Knight 



Great Falls, Md., July 5, 1905; Plummer Island, Md., on wild 

 roses, June 30, 1905, Heidemann. 



PLAGIOGNATHUS FULVmUS Knight 



Odenton, Md., July 4, 1913, July 12, 1914, McAtee. 



PLAGIOGNATHUS DELICATUS Uhler 



The food plant of this species is honey locust {Gleditsia triacanthos) 

 upon which it is sometimes common ; adults have been collected from 

 May 13 to June 21. 



PLAGIOGNATHUS CORNICOLA Knight 



Mount Vernon, Va., June 27, 1915, on Corrmm amomutih; Belts- 

 ville, Md., June 23, 1918, McAtee. 



PLAGIOGNATHUS PUNCTATIPES Knight 



Glencarlyn, Va., May 30, 1906, D. H. demons ; Washington, D. C, 

 July 17, 1907, McAtee. 



PLAGIOGNATHUS DISPAR Knight 



Forest Glen, Md., June 21, 1914, Heidemann; Glen Echo, Md., 

 June 10, 1923, J. R. Malloch. 



PLAGIOGNATHUS CARNEOLUS Knight 



Odenton, Md., May 5, 1918, McAtee; Falls Church, Va., May 13, 

 1901, S. A. Rohwer. 



Genus MICROPHYLELLUS Reuter 



MICROPHYLELLUS MODESTUS Reuter 



Fairly common May 7 to June 17; frequent on elm where it has 

 been observed preying on Schizoneura americmia; has been taken on 

 hickory also, and on flowers of Tilia americmi'd. P. I. 



MICROPHYLELLUS LONGIROSTRIS Knight 



Glen Echo, Md., June 17, 1923, McAtee. 



