374 EXPERIMENT STATION RECORD. 



Notes on some sawfly larvee, especially the Xyelidae, H. G. Dyab (Canad. Ent., 

 30 (1898), No. 7, pp. 173-176). 



Classification of the homtails and sawflies or the suborder Phytophaga, 

 W. II. AsiiMKAD {Canad. Ent., SO (1898), No. 7, pp. 177-183). — This, the second paper, 

 takes up the series Xylophaga. In the family < >ryssidae 4 genera, Chaliuus, Ophry- 

 nopns, Mocsarya, and Oryssus are recognized; in the family Siricidae, the sub- 

 families Siricinae and Tremecinae and the genera Sirex and Paururns of the first and 

 Xeris, Tereclon, and Tremex of the second subfamily. In the family XiphydriidaB 

 2 subfamilies, Derecyotinaj with the single genus Derecyrta, and Xiphydriinae with 



4 genera, Brachyxiphus. Philippi, Xiphydria, and Konowia; and in the remaining 

 family, Cephid;e, the genera Csenocephus, Pachycephus, Syrista, Macrocephus, Cal- 

 amenta, Astatus, Cephus, Trachelus, Monoplopus, and Ateuchopus. 



A new species, Cephus grcsnicheri, from Wisconsin, is described. 



The described species of Xiphidium in the United States and Canada, 8. H. 

 Scudder (Canad. Ent., 30 (1898), No. 7, pp. 183,184). — A key to 10 species of the 

 genus. 



Icerya purchasi, a new scale of orange, O. Klein (Gartenflora, 47 (1898), No. 16, 

 pp. 433-436, Jig. 1). 



Insect pests and tree diseases (California Bd. Horf. Rpt. 1895-96, pp. 23-32, ph. 5, 

 fig. 1). — Insects and tree diseases common in the Eastern States and in foreign coun- 

 tries and liable to be introduced into California are described and figured, with 

 notes quoted from various entomological writers. A list of all vessels arriving in 

 the State from July, 1894, to August. 1896, inclusive, is given, together with lists of 

 plants contained on them and notes as to the dis}>osition made of them at the quar- 

 antine offices. 



Injurious insect pests found on trees and plants from foreign countries, A. 

 CRA.W (California lid. Hort. Rpt. 1895-96, pp. 33-55. pis. 6, Jigs. 6). — Some 10 insects are 

 described and figured. 



A twig gall of pine caused by Phytoptus pini, C. von Tubeuf (Forstt. Naturw. 

 Ztschr., 7 (1898), No. 7, pp. 252, 253, fig. 1). 



The fir-tree root louse (Phemphigus poschingeri), Cvon Tubeuf (Forstl. 

 Naturw. Ztschr., 7 (1898), No. 7, p. 251), 



Contributions to a monograph of coniferous plant lice, I, N. Cholodkovsky 

 (Horae Soc, Ent. Ross. \_St. Petersburg], 31 (1898), pp. 78, figs. 36; dbs. in Zool. Centbl., 



5 (1898), No. 16, pp. 527-530). — This paper treats of the species of Lachnus, of which 



6 species frequent the pine, 7 are reported from the spruce, 3 from the fir, 3 from the 

 larch, 2 from the juniper, and 1 from the cypress. 



The life history of Lyda stellata and Lerythrocephaia, K. Saj6 ( Forstl. Naturw. 

 Ztschr., 7 (189S), No. 7, pp. 237-247). 



Colorado Lepidoptera, C.P.Gillette (Colorado Sta. Bui. 43, pp. 3-22, fig. 1). — 

 This is a list of Lepidoptera collected in Colorado, with brief notes on dates and 

 localities of capture, names of collectors, food habits, etc. 



The story of the lives of a butterfly and a moth, F. M. Webster (Ohio Sta. Bid. 

 86, pp. 25-33. Jigs. 6). — The bulletin is intended for the young, especially school chil- 

 dren, and gives something of the form and life history of a common moth and but- 

 terlly. 



Insecticides : Their preparation and use, W. E. Britton (Connecticut State Sta. 

 Bid. 126, pp. 3-1,.'. Jigs. 3). — The bulletin gives a popular account of the following 

 insecticides aud directions for their preparation: Internal poisons. — Paris green, 

 London purple, arsenate of lead, and hellebore. Contact poisons. — Whale-oil soap, 

 kerosene, keroseue emulsion, kerosene and water, fir-tree oil, tobacco, and pyrethruni. 

 Poisonous and suffocating fumes. — Tobacco fumes, hydrocyanic uas, and carbon bisul- 

 phid. A list of plants is given, together with a list of the insects most commonly 

 attacking them and notes on the remedies to be employed in each case. 



Spray calendar, L. C. Corbett ( West Virginia Sta., folio). — This gives tabulated 

 directions for the treatment of a large number of insect pests and diseases, with 

 formulas and directions for the preparation of several fungicides and insecticides. 



