INDEX TO VOLUME XVIII 



Acalypta grisea, n. sp., 218; thomsonii, 218. 

 Achrastenus griseus, Egg-laying of, 7. 

 Agromyza, A new species of, destructive to 



beans in the Philippines, 93; destructor, 



n. sp., 93. 



Alcidamia colei, n. sp., 127. 

 Address of the Retiring President, 84. 

 AI.DRICH, J. M.: More light on Myophasia, 



98. 

 Allolobophora chlorotica, parasitized by 



Pollenia rudis, 197. 

 Amobia utahensis, n. sp., 90. 

 Anthonomus hicoriae, Breeding habit of, 



207. 

 Ants protecting acacia trees in Mexico, 



211. 



Aphididae, Some intermediates in, 10. 

 Aphis fagi, gossipii, malifoliae, prunifolise, 



viticola, Descriptions of intermediates in, 



12. 13. 



Aphrastus unicolor, Egg-laying of, 7. 

 Apidas, A new bee of the genus Dia.ithidium, 



192. 

 Apion, Breeding habits of several species, 



0, 7. 

 Apple Red-bugs, Native food-plants of, 



196. 

 Argyrestia arceuthobiella, n. sp., 153; 



eugeniella, n. sp., 153; furcatella, n. sp., 



154; libocedrella, n. sp., 153. 

 Argyrophylax albincisa, Description and 



figure of female, 190, 191. 

 BAKER, A. C.: Synopsis of the genus 



Calaphis, 184. 

 KAKIJR, A. C. AND W. ' TURNER: Some 



intermediates in the Aphididae, 10. 

 BARBER, H. S. : A Review of North American 



tortoise beetles, 113; A new species of 



weevil injuring orchids, 177. 

 narinus albescens, Breeding habit of, 10; 



squamolineatus, Breeding habit of, 9. 

 Baris cuneipennis, Breeding habit of, 10. 

 Batrachedra mathesoni, n. sp., 150. 

 Hee, A new, of the genus Dianthidium, 192. 

 HHSCK, AUGUST: Descriptions of new North 



American Mirolepidoptera, 147; Shorter 



remarks, 212. 

 Mrsc'K, AUGUST, L. O. HOWARD AND E. A. 



SCHWARZ: A biographical and biblio- 

 graphical sketch of Otto Hi-idt-mann, 



203. 

 Calaphis, Synopsis of the genus, 184; table 



of species, 185; alni, n. sp.. 188; betulue- 



colens, 186;betulella, 186; castaneae, 187; 

 castaneoides, n. sp., 187; Literature on, 

 189. 



Culiprobola, Table of species, 109; alclriclii, 

 ii sp.. Ill; crawfordi, n. sp., 112; opaca, 

 n. sp., 110;sorosis 9, 111. 



Cassidinae, Review of North American, 113. 



CAMOEU,, A. N.: Address of Retiring Presi- 

 dent; An economic consideration of 

 Orthoptera directly affecting man, 84; 

 color dimorphism in Schistocerca damni- 

 fica, 216; The habitat of Doru aculeatum 

 vScudder, 217. 



Cerambycid Larvae, Determination of the 

 abdominal and thoracic areas of, as 

 based on a study of the muscles, 129. 



Chaleodermus aequalis, Feeding habits of, 

 207; Breeding habit of, 9. 



Chermes piceae, 14. 



Cholus cattleyarum, n. sp., 178. 



Chrysogaster, Table of groups and species. 

 102; inflatifrons, n. sp., 107; nigripes, 

 107; pacifica, n. sp., 105; parvu. n. sp., 

 104; robusta, n. sp., 163; sinuosa. 105; 

 stigmata, 103, texana, n. sp., 108; uni- 

 color, n. sp., 100. 



Compsus auricephalus, Egg-laying of, 7. 



Conotrachelus albicinctus, elegans, leuco- 

 phaeatus, naso and similis, Breeding 

 habits of, 9. 



Cordyceps, possibly dipterigena, 196. 



Cow-pea weevil, Feeding habits of, 2(17. 



CKAIGHEAD, F. C.: Determination of 

 abdominal and thoracic areas of Ceram 

 bycid larvae as based on a study of t tu- 

 rn uscles. 129. 



CRAWFORD, J. C.: Some American II \ 

 tnenoptera, 127. 



Cryptorhynchus fallax, Breeding habit of, '.). 



Curculionida*, A new species injuring orchids, 

 177. 



CCSHMAN, R. A.: The native food-plants 

 of the Apple Red- Bugs, 196. 



Cylindrocopturusadspersus, mammillatus and 

 operculatus, Breeding habits of, 9. 



Die GRYSE, J. J.: Hypermetamorphisin of 

 the Lepidopterous Sapfeedeis. 164. 



Dennatobia hotninis. Egg-disposal of, 17'J. 



Dianthidium, table of bionomic characteis 

 of four species, 194. 



Dianthidium arizonicmn, n. sp.. 192; Noll's 

 o.i. 193. 



221 



