Index 



Helianthus anniuis (sunflower), host 



for Ehopalosiphum persicae, 332, 



and for Aphis helianthi, 339. 

 Helochara communis, 248. 

 Hemeristiua, venation in ■vvings of, 



103. 

 Hemerobidae, venation in wings of, 



109. 

 Hemiptera, taken near Lake Tahoe, 



notes on, 229-249. See also 



Orthotylini. 

 Heniipteroidea, fossil insect, 111-112. 

 Hepialis, 139. 

 Heracleum mantegazzianum, host for 



Aphis heraclei, 339. 

 Heteroptera, 120-122, 231-245. 

 Hexagenia bilineata, 99, 100. 

 Hippodamia ambigua, 251, 252, 270- 



274, 293, 294, 295, passim. 

 convergens, 251, 252, 258, 263-269, 



274, 293, 294, 295, passim. 

 Holopticus, 408, 409, 410, 414. 

 Homoemus bijugis, 231. 

 Homoptera, 122-124, 24.5-249. 

 Homothetidae, fossil insects, venation 



in wings of, 101-102. 

 Hyalochloria bella, 217-218. 



cavieeps, 218. 

 Plyalopterus arundinis (plum aphis), 



263, 33.5. 

 Hydrellia scapularis, 160. 

 Hymenoptera, venation in wings of, 



1.34-138. 

 Hyoidea grisea, 220. 

 Idiocenis amoena, 248. 

 Idiopterus nephrelepidis, 329, 335. 

 Ilnacora malina, 219. 

 Insects, Wing Veins of, 1-152. See 



also Thorax; Wings. 

 Ischnorrhynchus resedae, 234. 

 Jones, B. J., 153-198. 

 Juglans regia (English Avalnut), host 



for Chromaphis juglandicola, 325. 

 Jugurtia, 388, 397-398; species of, 



398. 

 Koebelia calif ornica, .248. 



irrorata, 248. 

 Labopidea, 218, 222. 

 atriseta, 221. 

 chloriza, 221. 

 nigi-ipes, 219, 220, 242. 

 sericata, 220, 221. 

 simplex, 220. 

 Labops hesperius, 240. 

 Laccocera obesa, 248. 

 Lachnus pini-radiatae, 327. ' 



tujafilinus, 327. 

 Lake Tahoe, California, Hemiptera 



taken near, 229-249. 

 Largidea grossa, 238. 

 marginata, 238, 239. 



Laurestinus, host for Aphis pomi, 



341. 

 Lavatera assurgentiflora, host for 



Ehopalosiphum persicae, 331. 

 Leg, development of, in insects, 18, 



19. 

 Lemon, host for Aphis medicaginis, 



340. 

 Lepidoptera, venation in wings of, 



138-142. 

 Leptomastix, 364. 

 dactylopii, 365. 

 Liburnia magnifrons, 248. 

 Life-History and Feeding Records of 

 a Series of California Coccinel- 

 lidae, 251-299. 

 Ligyrocoris diffusus, 234. 

 Lilium elegans grandiflorum, host for 

 Myzus circumflexum, 335. 

 speciosum rubrum, 335, 338. 

 Liosomapliis berberidis, 342. 

 Liriodendron tulipifera (tulip tree), 

 host for Ehopalosiphum persicae, 

 331. 

 Lonicera (honeysuckle), host for 



Aphis gossypii, etc., 339, 342. 

 Lopidea nigridea, 241. 

 Lumen, in insects' wing veins, 42, 



43, 51. 

 Lupinus latifolius (lupine), host for 

 Macrosiphum albifrons, 328. 

 arboreus, 328. 

 Lygaeus bicrucis, 234. 

 reclivatus, 234. 

 truculentus, 234. 

 Lj'gidea rebucula obscura, 237. 

 Lygus campestris, 237. 

 plagiatus, 237. 

 pratensis, 237. 

 Macrosiphum albifrons, 328. 

 californicum, 328. 

 granarium, 328, 331. 

 lactucae, 328. 

 ludovicianae, 328. 

 rhamni, 328. 

 rosae (rose aphis), 253, 261, 263, 



267, 278, 282, 287, 329, 331. 

 solanifolii, 329. 

 stanleyi, 329. 

 Macrotyloides, 222. 

 apicalis, 223. 

 vestitus, 222-223. 

 Macrotylus angularis, 224. 

 infuscatus, 242. 

 lineolatus, 242. 

 multipunctatus, 242. 

 verticalis, 225. 

 vestitus, 222. 

 Masarid wasps, taxonomy and North 



American species of, 369^64. 

 Masaridinae (Masaiidini), svnoptic 

 tables of, 387-390. 



[468] 



