sparsa (Solidago), 50. 



Insect Galls. 



TRYPETIDAE. 

 Eutreta 



Eurosta 



comma (Solidago), 50-51. 



reticulata (Solidago juDCea), 52, 124. 



solidaginis (Solidago), 51. 



Oedaspis 

 polita (Solidago rugosa), 52. 



CECIDOMYIDAE. 

 Cecidomyia 



(Under this genus are arranged many species which have been de- 

 scribed as galls only, hence their assignment to the genus is provisional.) 



bedeguar (Crataegus), 39, 10s. 



bifolia (Solidago), 49: 



caryaecola (Hicoria), 13, 70. 



castaneae (Castanea dentata), 17, 74. 



celastri (Celastrus scandens), 41-42. 



citrina (Tilia americana), 45. 



crotalariae (Crotalaria sagittalis), 40, 110. 



erubescens, see foliora. 



eupatoriflorae (Eupatorium ageratoides), 49, 122. 



euthamiae (Euthamia gramini folia), 53. 



foliora (Quercus palustris, Q. coccinea, Q. velutina), 21, SO. 



gem m aria ( Aster ericoides), 53, 126. 



impatientis (Impatiens biflora, 43, 112. 



inaequalis (Diervilla diervilla), 48. 



irregularis (Populus grandidentata), 9. 



lappa (Spiraea salicifolia), 35. 



majalis (Quercus rubra, Q. palustris, Q. coccinea, Q. velutina), 17-18, 82. 



muscosa (Rubus nigrobaccus), 35, 102. 



niveipila (Quercus), 17. 



ocellaris (Acer rubrum), 42. 



parthenocissi (Parthenocissus quinquefolia), 44, 116. 



pellex (Fraxinus americana) 47. 



persicoides (Hicoria), 13. 



poculum (Quercus alba), 27. 



potentillaecaulis (Potentilla canadensis), 37. 



pudibunda (Carpinus caroliniana), 15. 



pustuloides (Quercus coccinea, Q. velutina). 22, 84. 



racemi (Prunus virginiaua), 39-40, 110. 



