INDEX 



20? 



the terminal abdominal structures of the 

 larva of "Chalastogastrous" Hymenop- 

 tera, 129. 



Cryptorhynchidius, a family of Curculion 

 oidea, 25. 



Cryptorhynchidius, nom. nov., 25. 



Curculionoidea, Contributions to our Knowl- 

 edge of the superfamily, 21; Synopsis of 

 the classification, 22. 



Curculionoidae, the family of, 24. 



CUSHMAN, R. A.: New genera and species of 

 Ichneumon flies, 112. 



Cynipoid, Description of a new, from Trin- 

 idad, 156. 



Cyrtobasis rogae, n. sp., 115. 



Dendrocerus, A new species of the Serph- 

 idoid genus, 121; conwentziae, n. sp., 122; 

 var. rufus, n. var., 123. 



Derelominae, a subfamily of Orobitidae, 32. 



Deretaphrus oregonensis, 123. 



Derocentrus, new gen., 113; gracilipes, 114; 

 texanus, 114. 



Dexia analis, 20; flavipennis, 20. 



Diglyphosema anastrophae, n. sp., 156. 



Dinotus agrili, n. sp., 6. 



DIVEN, EMERSON LISCUM, Obituary of, 177. 



Doryctes maculipennis, n. sp., 7. 



Drepanoglossa lucens, 20; occidentalis, 20. 



Dryopea, An undescribed species of, injur- 

 ious to Phyllostachys, 104; morrisoni, n. 

 sp., 105. 



Eccoptinae, new subfamily of Orbitidae, 22. 

 Elatotrypes, new gen., 38; hoferi, n. sp., 39. 

 Enderinae, a subfamily of Orobitidae, 37. 

 Epipedinae, a subfamily of Orobitidae, 33. 

 Epigrimyia, 20. 

 Eriococcus, Table of South American species, 



68; braziliensis, 73; jorgenseni, n. sp., 73; 



leguminicola, n. sp., 71; mendozae, n. sp., 



69. 

 Erium, Note on the genus, 74; armatum, 75. 



FISHER, W. S.: Note on Macrobasis murina 

 Leconte, 1; New genus and species of Cer- 

 ambycidae from Colorado, 38; Descrip- 

 tion of a new genus and species of Bupres- 

 tidae from Arizona, 88; Descriptions of 

 new North American Ptinidae, with notes 

 on an introduced Japanese species, 181. 



Forda betae, 38. 



Gadflies in the lower Everglades of Florida 

 during 1918 and 1919, 186. 



GAHAN, A. B.: A new genus of Chalcid-wasp 

 belonging to the family Eulophidae, 2; A 

 new species of the Serphidoid genus Den- 



drocerus, 121; Descriptions of seven new 



species, of Opius, 161. 

 GREENE, CHARLES J.: A new genus in Scato- 



phagidae, 126. 

 Greenidea kuwanae, 174. 

 Gymnetron, 27; Table of subgenera, 28. 



Haplonychinae, a subfamily of Orobitidae, 31. 



Heilipus lauri, 53; pittieri, n. sp., 54, 55. 



HEINRICH, CARL, AUGUST BUSCK AND W. D . 

 HUNTER: Obituary of Emerson Liscum 

 Diven, 177. 



HERBERT, FRANK B.: A new species of Mat- 

 sucoccus from pines in California, 157. 



HOWARD, L. O., A. BUSCK AND A. N. CAU- 

 DELL: Obituary of Frederick Knab, 41. 



HUNTER, W. D., CARL HEINRICH AND AU- 

 GUST BUSCK: Obituary of Emerson Liscum 

 Diven, 177. 



HUTCHINSON, R. H., AND W. D. PIERCE: 

 Studies on the dry cleaning process as 

 means of destroying body lice, 8. 



Hymenoptera, "Chalastogastrous," Struc- 

 tures of male genitalia and terminal abdom- 

 inal segments, and terminal abdominal 

 segments of larvae, 129. 



Hyperidae, a family of Curculionoidea, 24. 



Hyposoter fugitivus, var. pacificus, n. var., 

 119. 



Icerya minima, n. sp., 64. 



Ichneumon flies, New genera and species of, 



112. 



Insect fauna of Bank Swallows' nests in Vir- 

 ginia, 110. 

 Isorhynchinae, a subfamily of Orobitidae, 32. 



JENNINGS, CAPTAIN ALLAN HINSON: Obituary 

 of, 61; Bibliography of, 63. 



KNAB, FREDERICK, Obituary of, 41; Bibliog- 

 raphy of, 43. 



Labrossyta ruficoxalis, n. sp., 118. 

 Laemosaccinae, a subfamily of Orobitidae, 



31. 



Leskiine Synonymy, Note on, 20. 

 Liparidae, new family of Curculionoidea, 23. 



Macrobasis murina, Note on, 1; unicolor, 1. 

 Macrocepicoccus, new gen., 198; loranthi, n. 



sp., 198. 

 MALLOCH, J. R.: The generic status of Zo- 



dion palpalis Robertson, with generic key 



to the Conopidae, 204. 

 Matsucoccus, A new species of, from pines 



in California, 157; fasciculensis, n. sp., 157. 

 Mecinini, Studies of the tribe, 26, 27. 



