INDEX TO VOLUME XIX 



Ai-roeercops, Description of genus, 40; 



Species of, t>8. 

 Acythopeus, I.iteiature on, 19; aterrimus, IS; 



gilvonotatus, n. sp., 17; orchivorus, 18. 

 Adirus trimaculatus, Description of larva of, 



177. 





 AIXSI.IK. Guo. G.: Color variation in pupa- 



of Terias nicippe, 78. 

 Ainblynotus semirugosus, n. sp., 171': 



slossonae, n. sp.. 171. 

 Amelanchier seeds, Two new Chalcidids from, 



79, 

 American species of the genus Cephus, 139; 



Hlateridae of the genus Pyrophorus, 2; 



Gracillariidse, Revision of, 29; Tachinida-, 



Notes on, 122. 



Apophthisis, Description of genus, 39. 

 HAKEK, A. C.: Remarks by, 9.x. 

 BARBER, H. S.: Notes and descriptions of 



some orchid weevils, 12; Shortei remarks 



UAKBER, H. S. AND E. A. SCHWARZ: Two new 



hydrophilid beetles, 129. 

 Hiomvhi eleodivora, n. sp., 25. 

 Hrachyopoda vacua, Biological note on, with 



description of larva and pupa, 1 ."> I 

 Huprestis aurulenta and Iseviventris, Larvae 



parasitized by Oryssus, 88. 

 BURKE, H. E.: Oryssus is parasitic, 87. 

 Cameraria, Characters of the genus. 38; List 



of species. 49. 

 CAMDKLI,, A. N. AND W. L. McATEE: First 



list of the Dermaptera and Orthoptera of 



Plummers Island, Maryland, and vicinity, 



100. 

 Ct-phida-, NoU-s on the larva- of some, 174; 



Key to tin- larva- of, 175 

 Ci-phns Latreille, The American species of, 



1 .'(!); Key to the species of, 139; cinctus, 



I .'ill, 17.X; pygmacus, 140; ruliventris, 141. 

 Cerambycidse, A new species of, infesting 



cowpeas in Mexico, 173. 

 Chalcidids, Two new, from the seeds of 



Amelanchier, 79. 

 Chilocampyla, Descriptive of the genus. 40; 



Species of, l>8. 

 Cholus cattleyae, 12; cattleyarum, 14; for- 



besii, 1"). 

 Ciiccidse, Discussion on photomicrography 



of, 86. 

 Cnleophora, A new, injurious to apple in 



California, l;{.">; volckci, n sp , }'.',.'>. 

 CK Mc.iliJAD. 1'". C.: Note on I In- larva" of 



Leptilly.t-s. 174. 



CRAWFORD, J. C.: New Hymenoptera. Hi5. 

 Cremastobombycia, Characters of the genus, 



3.8; List of sp.. (..".. 

 Cliorhina (Somula) decora, Hiological note 



on, with description of earliei stages, I .">:.' 

 CTSIIMAN, R. A.: Two new Chalcids from the 



seeds of Amelanchier, 79; Notes on the 



biology of Schizonotus sieboldii Ratz., 



128; A much described Ichncumonid and 



its systematic position. 1112. 

 CUSHMAN. R. A. AND S. A. ROHWER: Idio- 



gastra, a new suborder of Hymenoptera 



with notes on the immature stages of 



Oryssus, 89. 



Diaciitus, Description of the genus. lt>3. 

 Diaciitus muliebris, a much described 



Ichneumonid and its systematic position. 



162; description of the female, 1(14. 

 Diptera, Contribution to the biology of 



North American, 140. 

 Doryphorophaga, Table of species, 1 1' t . 



aberrans, 124; dorsalis, 124; doryphora-, 



124. 



Klaterid genus Oistus of Candeze, 12(1. 

 Elateridse. A new genus of, and a revision 



of the North American species of Tyro 



phorus, 1. 

 E'eodes. Thiee new tachinid parasites of, 



25. 

 Ivlediophagus, new gen., 23; caffreyi. n. sp., 



24; pollinosus, n. sp., 24. 

 Ki.v, C. R.: Revision of the North American 



Gracilariida 1 from the standpoint of 



venation. 2!l. 



Entomological Society of Washington, Elec- 

 tion of officers for 1917, L'7; Election of 



new members. 2S. 99, 13ti; Presentation 



of portrait of the Honor. ny I'n-side nl , 



79. 



Epeoloides, li>7. 

 Epiiuetopus. Literature nil. I.'!!'; Tabli- cil 



species, l.'il'; thermarnm. n. sp , l.;il. 

 Eiicactophagus biocellatus. n. sp., L'L'. 



graphipterus, 21; weissi, n. sp.. 22. 

 Euryproctus sentirus. Synonymy of. Hi"' 

 1'isitiCK, \\'. S. : New species of l.oiiglnirii 



beetle infesting cowpeas from Me\ii-i. 



173. 

 Kloiida Evei glades. Peculiar habits of a 



horsefly in, 141. 145. 



( '.< -nitalia of Tottricida-. Note on. 137. 

 Gracilaria, Description of the K>'"HS. I ; 



Species of. 7.; 

 C.rai ilariida , l<e\isiiin o! tin- Nculli Anifru.ui 



181 



