154 Bulletin of the Brooklyn Entomological Society Vol. XV 



HOMOPTERA. 



A New species of Typhlocyba from Long Island, N. Y., in 1919, Wm. 



Illinois, J. R. Malloch, 48 T. Davis, 17 



On Some Species of the Genus Notes on Some Species of the 



Nipponaphis Pergande, Ryoichi Homopterous Genus Gypona, J. 



Takahashi, 115 R. Malloch, 22 



The Seventeen Year Cicada on - 



Hymenoptera. 



About Bombus americanorum F., Mating Habits of Sphecius spedo- 



Charles Roberson, 14 sus, the Cicada-Killing Wasp, 



A New Host of Laboulbenia formi- Wm. T. Davis, 128 



carum Thaxter, with Remarks on New Species of Tenthredinoidea, 



the Fungous Parasites of Ants, Alex. D. MacGillivray, 112 

 J. Bequaert, 14 



Lepidoptera. 



Collecting Libythea bachmani, E. New Exotic Papilios, George A. 

 L. Bell, 130 Ehrmann, 21 



