366 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



2398. EILEY, C. Y. [Introduction of the Hessian-fly into England.] 



<Trans. Ent. Soc. London, [December], 1887, pp. 45-48, Proc. 

 Discussion of the date of introduction of Cecidomyia destructor into America 

 and England; concludes from a study of the historical evidence, the dis- 

 tribution and parasites of the insect, that it was probably introduced into 

 England about three or four years ago. 



2399. EILEY, C. V. 'Poisonous insects. <Eeference Handbook of the 



Medical Sciences, 1887, v. 5, pp. 741-760, figs. 2971-3020. 



An exhaustive illustrative review of the Arachnida, Myriapoda, and Hexapoda 

 which secrete a poison injurious to man ; descriptions of their life-histories ; 

 the manner in which the injury is inflicted and the remedies for the same. 



2400. EILEY, C. V. The problem of the hop-plant louse [Phorodon 



humuli, Schrauk] in Europe and America. <Eept. Brit. Assoc. 

 Adv. Sci., 1887, pp. 750-753. Separate: <pp. 1-3. See: 

 < Nature, 13 October, 1887, v. 36, pp. 566-567. <Gardener's 

 Chronicle, 17 September, 1887. S.-b. No. 61, pp. 333-334. 

 Life-habits of Phorodon humuli; effects of extreme heat and of meterological 

 conditions ; natural enemies aud means against the Phorodon. 



2401. EILEY, C. Y. On Icerya purchasi, an insect injurious to fruit 



trees. <Eept. Brit. Assoc. Adv.. Sci., 1887, p. 767. Separate: 

 <p. 1. See : <Nature, 20 October, 1887, v. 30, p. 592. 

 Summary statement of food-plants, original home, synonomy, and means 

 against Icerya purchasi. 



2402. EILEY, C. Y. On the luminous larviform females in the Phengo- 



dini. <Eept. Brit. Assoc. Adv. Sci., 1887, pp. 760-761. Sep- 

 arate: <pp. 1-2. See: <Entom. Amer., September, 1887, v. 3, 

 p. 107. <Proc. Amer. Assoc. Adv. Sci., 1887 [May, 1888], v. 3U, 

 p. 262. 



Re'surne' of facts relating to the history, characters, and life-habits of the 

 luminous larviform females in the Phengodini; bearing of these facts on 

 the theory of evolution. 



2403. EILEY, C. Y. [Scale on Euonymus latifolial] <Sci. Amer., 14 



January, 1888, v. 58, p. 27. S.-b. No. 61, p. 148. ' 

 Means against Chionaspis euonymi and other Coctidas; formulae of kerosene 

 emulsions. 



2404. [EILEY, C.Y.] [Larval habits of Lixus.] <Proc. Ent. Soc. Wash., 



[13 March], 1888, v. 1, p. 33. 



Lixus macer bred from stems of Chenopodium hybridum and from Helianlhus ', 

 larva of L. 'parcus a gall producer on stems of Amelanchier. 



2405. [EiLEY, C. Y.] [Girdling habits of Pcedisca olfuscata.] <Proc. 



Ent. Soc. Wash., (13 March], 1888, v. 1, p. 33. 

 Larva of P. obfuscata spins a web over the orifice at the amputated end. 



2406. [ EILEY, C. Y.] [Early stages of Aphorista vittatd aud Epipocus 



punctatus.] <Proc. Ent. Soc. Wash., [13 March], 1888, v. 1, 

 p. 37. 

 Comparative characters between corresponding stages of the two species. 



