Index 



Psocidae, venation in wings of, 107- 



108. 

 Pterocomma flocculosa, 325, 326. 



populifoliae, 327. 

 Quartinia, 389, 401; species of, 402. 

 deleta, 401. 

 dilecta, 401. 

 variegata, 401. 

 Quereus agrifolia (coast live oak), 

 host for Symydobius agrifoliae, 

 313, 321. 

 lobata (valley oak), 321. 

 robur (English oak), 324. 

 Quilnus, 234. 

 Eaphiglossinae, 378. 

 Ehamus californicus (coffee beriy), 

 host for Macrosiphum rhamni, 

 328. 

 purshiana (cascara sagrada), 328, 

 338. 

 Rhopalosiphum arbuti, 330. 

 howardii, 330. 

 lactucae, 331. 

 nervatum, 330, 331. 

 nymphaeae, 331. 

 persicae, 331, 335. 

 rhois, 331, 334. 

 Rhus diversiloba (poison oak), host 



for Rhopalosiphum rhois, 334. 

 Rhyparochromus angustatus, 234. 



sodalicus, 234. 

 Rithogena nianifesta (mayfly), 12. 

 Rosa calif ornica (wild rose), host for 



Macrosiphum rosae, 329. 

 Rose, most serious pest of (Myz- 



aphis), 342. 

 Rubus (cultivated blackberry), host 

 for Amphorophora rubi, 329-330. 

 parviflorus (thimbleberry) , host for 



Nectarosiphum rubicola, 328. 



vitifolius (wild blackberry), 330. 



Rumex occidentalis (western dock), 



host for Aphis rumicis, 341. 

 8aldula interstitialis, 235. 

 Salix laevigata, (red willow), 327. 

 lasiandra (yellow willow), 327, 



328. 

 lasiolepis (arroyo ^villow), host for 

 Pterocomma flocculosa, and for 

 Thomasia salicicola, etc., 325, 

 326, 327, 328, 342. 

 longifolia (longleaf willow), 327. 

 Sambucus glauca (blue elderberry), 

 329, 342. 

 racemosa callicarpa (red elder- 

 berrv), host for Macrosiphum 

 stanieyi, etc., 329, 342. 

 Scalophila hamifera, 161. 

 Schizoneura lanigera (woolly apple 



aphis), 263, 288. 

 Scolopostethus thomsoni, 234. 

 Sialidae, primitive venation in ^\'ings 

 of, 108-109. 



Siphocoryne capreae, 342. 

 xylostei, 342. 



Sonchus oleraceus (sow thistle), host 

 for Rhopalosiphum lactucae, 331. 



Sphragisticus nebulosus, 234. 



Staphylinus, 128. 



Stemmatositeres, 352-353. 

 apterus, 354-355. 



Stenodictyopteridae, fossil insects, 

 venation in wings of, 101. 



Stenodema vicina, 235. 



Stictocephala, pacifica, 245. 



Strawberry, cultivated, host for Myzus 

 fragaefolii, 335. 



Subulieornes, 146. 



Symphoricarpos racemosus (snow- 

 berry), host for Aphis albipes, 

 336, 337. 



Symdobius agrifoliae, 311-313. 

 albasiphus, 313. 



Synoptical Keys to the Genera of the 

 North American Miridae, 199- 

 216. 



Tanaomastix, 347, 362-364, 365. 

 abnormis, 363 (fig.), 365, 366-367. 

 albiclavata, 367. 

 claripennis, 363 (fig.), 365-366. 



Taxonomy of the Masarid Wasps, in- 

 cluding a Monograph on the 

 Nori;h American Species, 369- 

 464. 



Telamona barbata, 245. 

 obsoleta, 245. 



Termitidae, venation in wings of, 

 105-106. 



Thamnotittix longisota, 249. 



Tliomasia salicicola, 325-326. 



Thorax, in insects, specialized for 

 attachment of organs of locomo- 

 tion, 17, 18, 21. 



Thuya occidentalis (arborvitae), host 

 for Lachnus tujafilinus, 327. 



Thyanta custator, 231. 



Thyreocoris anthracinus, 231. 



Tilia amerieana (American linden), 

 host for Eucallipterus, 323. 

 tomentosa (silver linden), 323. 



Timberlake, P. H., 347-367. 



Tollius curtulus, 231. 



Toryna, 407, 411. 

 vespoides, 408, 410. 



Toxoptera aurantiae, 330. 



Tracheae, presence or absence of, in 

 veins of insects' ^vings, 43—47. 



Trachael gills, in wing genesis, 4-14. 



Trichopepla atricornis, 231. 



Trifolium pratense (red clover), host 

 for Aphis bakeri, 337. 



Trimeria, 369, 370, 375, 390, 433; list 

 of species of, 434. 

 amerieana, 433. 



Tuberolachnus vim i nulls, 327. 



[471] 



