10 PROCEEDINGS OF THE NATIONAL MUSEUM vol.75 



most captures being so damaged as not to be worth preserving; the 

 insect is found on the underside of leaves, or on sand beneath the 

 leaves, of species of EwpJiorhia {Tithipnalopsis) ; records for speci- 

 mens at hand are Washington, D. C, July 20^ 1894, 1899, August 12, 

 15, 20, 22, Heidemann ; Falls Church, Va,', N. Banks. 



Genus PARTHENICUS Reuter 



PARTHENICUS JUNIPERI Heidemann 



Fairl}^ c6mmon on red cedar ; has been taken also on Virginia pine ; 

 season for adults June 8 to October 12. P. I. 



Genus HALTICUS Hahn 



HALTICUS CITRI Ashmead 



Abundant, season May 9 to October 30. P. I. 



Genus STRONGYLOCORIS Blanchard 



STRONGYLOCORIS STYGICUS Say 



Common ; adults have been collected from May 9 to August 8, and 

 nymphs from May 4 to 18. P. I. 



Genus ILNACORA Reuter 



ILNACORA MALINA Uhler 



Common ; May 30 to July 4. P. I. 



ILNACORA STALII Renter 



Fairly common on giant rairvreed {Avihrosia frifida). June 16 

 to August 16. P. I. 



Genus LOPIDEA Uhler 



LOPIDEA CONFLUENS Say 



Fairly common. May 24 to September 5. P. I, 



LOPmEA DAVISI Knight 



Washington, D. C, June, 1916, F. PI, Chittenden; near Chevy 

 Chase, Md., July 6, 1913, McAtee; Takoma Park, Md., August 15, 

 1916, on phlox; Glen Echo, Md., August 22, 1922, McAtee; Glen 

 Echo, Md., July 25, 1926, Knight; Plummer Island, Md., June 24, 

 1906. McAtee. 



LOPIDEA HEIDEMANNI Knight 



Common, May 18 to August ; breeds on elm, yarrow, and phlox ; 

 has been collected also on asparagus, black walnut, and Virginia pine. 

 P. I. 



