THE AMERICAN MIDLAND NATURALIST. 



E. semen Walsh. — Orient on leaves of Salix. 



Gnorimoschema gallaesilodaginis Riley — On stems of Soli dago 

 serotina. 



Holcaspis globulus Fitch. — Oak Bullet Gall. 



Hormaphis Hamamelidis Fitch. — Witch Hazel Cone Gall. 



H. spinosus Shiner. — Spiny Witch Hazel Gall. 



Hormomyia canadensis Felt. — Cutchogue on leaves of Ame- 

 lanchier oblong i folia. 



Hormomyia Crataegi folia Felt. — On leaves of Crataegus. 



Itonida foliora Russ & Hock. — On margin of leaves of Quer- 

 cus velutina. 



Lasioptera clavula Beutm. — On twigs of Cornus at Cutch- 

 ogue, Greenport and Southold, L. I. 



Lasioptera farinosa Beutm. — On leaf veins of Rubus. 



L. Lycopi Felt. — On stems of Lycopus. 



L. nod%dosa Beutm. — Orient on stems of Rubus. 



L. virginica Felt. — On stems of Triadenwm virginictim. 



L. Vitis 0. S. — Grapevine Tomato Gall. 



Livia macidipennis Fitch. — On the inflorescence of J uncus 

 canadensis. 



Nematus pomum Walsh. — Willow Apple Gall. 



Neolasioptera Erigerontis Felt. — On stems of Leptilon can- 

 dense. 



N eloasioptera ramuscula Beutm. — On stems of Doellingeria 

 umbellata at Orient, L. I. 



N. vitinea Felt. — On petioles of grape leaves. 



Neuroterus batatus Fitch — Oak Potato Gall on twigs of 

 Quercus alba. 



N. majalis Bass. — On leaves of Quercus alba. 



Neuroterus noxiosus Bass. — Leaves of Quercus Prinus at 

 Greenport. 



Obolodiplosis Robiniae Hald. — On leaves of Robinia Pseudo- 

 Acacia. 



Oligotrophus salicifolius Felt. — On leaves of Robinia pseudo- 

 acacia. 



Pachypsylla Celtidis-gemma Riley. — Hackberry Nodule Gall. 



P. Celtidis-mamma Riley. — Hackberry Nipple Gall. 



Pemphigus Populicaulis Fitch. — Popular Stem Gall. 



P. Rhois Fitch. — Sumac Tomato Gall on leaves of Rhus 

 glabra. 



—248— 



