INDEX TO GENERA, SPECIES, AND LOWER 

 CATEGORIES 



(This index includes all the genera, species, and lower categories treated in this 

 paper or discussed in the text. Valid names are in roman and synonyms are in italics.) 



acericolum (Germadius), 78. 

 acerni (Clemens), 78. 

 acerrubri (Engelhardt), 85. 

 achillae (Hy. Edwards), 22. 

 admiranda (Hy. Edwards), 157. 

 AEGERIA Fabricius, 3, 5, 173. 



apifortnis (Clerck), 173. 



calif ornicum (Neumoegen), 179. 



crahroniformis (Denis and Schiffer- 

 miiller), 173. 



fiavitibia (Walker), 176. 



minimum (Neumoegen), 179. 



tibialis (Harris), 175. 



tibialis anonyma Strand, 179. 



tibialis dyari Cockcrell, 179. 



tibialis melanoformis, new variety, 

 178. 



tibialis pacifica (Hy. Edwards), 179. 

 aemula (Hy. Edwards), 114. 

 albicoma Hulst (var. of marginata (Harris)), 



194. 

 albicornis (Hy. Edwards), 82. 

 albociliata (Engelhardt), 69. 

 ALBUNA Hy. Edwards, 162. 



fraxini (Hy. Edwards), 167. 



fraxini vitriosa, new male form, 169. 



hylotomiformis (Walker), 162. 



morrisoni (Hy. Edwards), 162, 167. 



nomadaepennis (Boisduval). 162. 



pyramidalis (Walker), 162. 



pyramidalis beutenmiilleri Skinner, 

 167. 



pyramidalis coloradensis Hy. Ed- 

 wards, 164. 



pyramidalis montana Hy. Edwards, 

 165. 



pyramidalis rubescens (Hulst), 165. 



tanaceti Hy. Edwards, 165. 



torva Hy. Edwards, 164. 



Vancouver ejisis Hy. Edwards, 162. 

 ALCATHOE Hy. Edwards, 2, 3, 100. 



autumnalis, new species, 105. 



carolinensis Engelhardt, 106. 



caudata (Harris), 100, 102. 



caudata annettella, new race, 103. 



caudata walkeri Neumoegen, 103. 



korites (Druce), 106, 107. 



pepsioides Engelhardt, 103. 



pepsioides atra Engelhardt, 104. 



pepsioides ferrugata, new race, 105. 



verrugo (Druce), 107. 



verrugo corvinus, new variety, 107. 

 alleri, new species, 124. 

 americana (Beutenmiiller), 112. 



aiiioena Hy. Edwards, 183. 



ampelopsis, new species, 134. 



animosa (Hy. Edwards) (var. of i>olygoni (Hy. 



Edwards)), 23. 

 annettella, new race (race of caudata (Harris)), 



103. 

 anonyma Strand (var. of tibialis (Harris)), 



179. 

 anthracipennis (Boisduval), 47. 

 apache, new species, 54. 

 apiformis (Clerck), 173. 

 arctica (Beutenmiiller), 126. 

 arizonae (Beutenmiiller), 40. 

 arizonensis (Beutenmiiller), 39. 

 arteinisiae (Hy. Edwards), 37. 

 asiliformis (Hy. Edwards), 125. 

 asiliformis (Schiffermiiller), 136. 

 asilipennis (Boisduval), 148. 

 atra Engelhardt (var. of pepsioides Engelhardt), 



104. 

 aurantis, new variety (var. of pyralidiformis 



(Walker)), 47. 

 aureola (Hy. Edwards), 33. 

 aurcopurpurea (Hy. Edwards), 68. 

 auritincta (Engelhardt), 70. 

 austini, new species, 57. 

 autumnalis, new species, 105. 

 barnesi Dalla Torre and Strand, 189. 

 barnesii BeutenmuUer (race of exitiosa (Say)), 



12. 

 bassiformis (Walker), 62. 

 beckeri Druce, 184. 

 behrensii (Hy. Edwards), 25. 

 BEMBECIA Hiibner, 1, 2, 3, 4, 5, 191. 



fiavipes (Hulst), 192. 



hylaeiformis (Laspeyres), 191. 



margvnata (Harris), 192. 



marginata albicoma Hulst, 194. 



odyneripennis (Walker), 192. 



plcciaeformis (Walker), 192. 



ritbi (Riley), 192. 

 beutenmiilleri Skinner (race of pyramidalis 



(Walker)), 167. 

 bexari, new race (race of canescens Hy. Ed- 

 wards), 200. 

 bibionipennis (Boisduval), 22, 33. 

 bibionipennis (McDunnough), 29. 

 bolli (Hy. Edwards) (form of bassiformis 



(Walker)), 65. 

 bolteri (Hy. Edwards), 84. 

 bombyciformis (Walker), 148. 

 bombyliformis (Cramer), 181. 

 brevifolia, new species, 21. 



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