12 PROCEEDIISrGS OF THE ISTATIONAL MUSEUM vol. 75 



Genus ORTHOTYLUS Fieber 



ORTHOTYLUS CHLORIONIS Say 



Abundant on honey locust ; April 6 to June 10. V. P. I. 



ORTHOTYLUS SUBMARGINATUS Say 



Washington, D. C, June 20, July 10, 28, Forest Glen, Md., June 

 13, 1914, Heidemann; Plummer Island, Md., July 11, Barber; Oden- 

 ton, Md., July 4, 1913, McAtee; Vienna, Va., July 11, 1926, Knight; 

 host black locust {Rohinia pseudacacla) . 



ORTHOTYLUS VIRIDIS Van Duzee 



Fairl}^ common, on Salix nigra^ June 4 to July 26. P. I. 



ORTHOTYLUS MODESTUS Van Duzee 



Fairly common on Salix nigra, June 4 to July 4. P. I. 

 Genus DIAPHNIDIA Uhler 



DIAPHNIDIA CAPITATA Van Duzee 



Washington, D. C, June 11, 1886; Rock Creek, D. C, June IT, 

 1893, Heidemann. 



DLA.PHNIDIA PELLUCmA Uhler 



Fairly numerous; season May 31 to July 20; has been collected on 

 black locust, on white oak, and on bur oak (the latter in a park). 



DLVPHNmiA HEIDEMANNI Knight 



Collected at Washington, D. C, by Heidemann at dates ranging 

 from May 7 to October 15 ; and at Henson's Creek, Md., July 4, 1887 ; 

 Heidemann gave the food plant as ash. 



Genus RE UTERI A Puton 



REUTERIA IRRORATA Say 



Common, June 30 to August 20 ; has been collected on elm, chestnut, 

 and hickory; comes to light. P. I. 



Genus CERATOCAPSUS Renter 



CERATOCAPSUS MCATEEI Knight 



Odenton, Md., July 12, 1914; Laurel, Md., October 11, 1914, 

 McAtee. 



CERATOCAPSUS MODESTUS Uhler 



Common, July 4 to August 3; occurs on hickory, oak, and chestnut; 

 comes to lieht. P. I. 



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