96 NEW YORK STATE MUSEUM 



PAGE. 



report upon it, 219. Description and figures of the scale, 219. Its pres- 

 ence on fruit, 220. The male insect, 220. The female insect, 221. 

 Life-bistory : both oviparous and viviparous, 221. References to its 

 eggs, 222. The young insect, 222. Development of the scale, 223. The 

 number of broods, 223. Hibernation, 223. List of food-plants, 223. 

 How the insect is distributed, 224. Carried by other insects and birds, 

 224. Distributed widely through sales of nursery stock, 225. Suggestion 

 for protection from infested stock, 225. Form of certificate to be given 

 by nurserymen, 226. Legislation against insect pests in several of the 

 States, 226. Nothing done in this direction in New York, 226. Intro- 

 duction from abroad or unusual multiplication might call for legisla- 

 tion, 227. Legislation thought to be needed for controlling the San 

 Jos^ scale, 227. Fear that it has been sent to every county in the State, 



227. Copy of a bill before the Legislature for inspection of probable in- 

 fested localities, 227. Remedies available against the scale, 228. More 

 effective during the winter season, 228. Various winter washes used, 



228. Two only reported as fully satisfactory, 229. "Whale-oil soap, 229. 

 The winter resin wash, 229. Potash wash, 230. Summer washes only 

 partly eftective, 230. Hydrocyanic acid gas treatment in California, 

 230. Not wholly efficient in the Eastern States, 231. Reliable for the 

 treatment of nursery stock, 231. Manner of treatment, 231. Bibliog- 

 raphy, including references to topics not referred to in this paper, 231- 

 233. 



Myrmeleon sp. ? the Ant Lion 234 



An ant lion from Falls Church, Ya., of an undetermined species, 

 234. Number of known species of ant lions in the United States, 234. 

 Dr. Hagen's study of the group, 234. Appearance and habits of Myr- 

 nieleon, 234. The insect figured, 234. Its backward movement, 235. 

 Secures its prey by artifice, 235. Account of its pitfall, 235. Manner 

 of capturing its prey, 235. The cocoon in which it pupates, 236. 

 The winged insect with illustration, 236. How the larvse may be col- 

 lected, 236. The life histories imperfectly known, 236. Notes of 

 capture and observations by various writers, 237. Colonies observed 

 in the Helderberg mountains, 238. Of some European species, 239. 

 A species that springs from concealment on its prey, 239. Tree-climb- 

 ers, 239. Eggs of Asealaphus ou twigs and strangely guarded, 2.39. 

 Larvte of another species arranged in an overlapping row for seiz- 

 ing their prey, 239. United States species of Ascalaphinai, 239. Refer- 

 ence to a Myrmeleonid larva taken from beneath a carpet, 239. Some 

 literature of the Myrmeleonid sb, 240. 



Thrips tabaci, the Onion Thrips 241 



Bibliography, 241. Severe attack of Thrips on cabbage at Kingston, 

 Pa., in 1892, 242. The injury noticed in preceding years, 243. The 



