974 EXPERIMENT STATION RECORD. 



Observations on insects, T. J). A. Cockerell {New Mexim Sta. Bui. 35, pp. 27, 

 Jiijx. JO). — This Imlletin contains brief popular notes on a number of eronomii; 

 insects, among which mention may be made of Scolopendra hews, Bryobid pratermif, 

 Apia (JorKata, pear slug, striped cucumV)er beetle, Epitrix cucumeris, EpUachna vari- 

 vestls, harlecjuin cabbage bug, squash bug, false chinch bug, and woolly aphis. 



Experimental entomologry, F. Merrifield [Ent. Rec. and Jour. Variation, IS 

 {1901), No. l,pp. 26-31) . — The author calls attention to the necessity for more careful 

 observations under exi)erimental conditions un the habits and life history nf economic 

 and other insects. 



Insects injurious to cereals, V. Mayet {Prog. Agr. et Vil. {Ed. L'Est), 21 [1900), 

 No. 49, pp- H91-69S, pi. 1). — The author discusses the life history and habits of Crio- 

 ceris melanopa, IIippoj»iis gracili-'i, Tcncbrio rnol'dor, and Agriotcft lineatus. Brief notes 

 are given on the remedial measures which have been most effective in combating 

 the attacks of these insects. 



The life habits of certain grasshoppers, R. TtJMPEL {Alig. Zlxchr. Evt., n (190J), 

 No. 1, pp. 3-7) . — The author relates his observations on the habits and life history 

 of Locusta viridis.vma, Decticus verruci,vorus, and Meconema varium. 



On locust destruction {Agr. Jour. Cape Good Hope, 17 {1900), No. 9, pp. 635-540, 

 figs. 2). — The following methods for destroying locusts are recommended: The use 

 of canvas screens with a strip of oilcloth 4^ in. wide sewn on the top of the canvas 

 so as to direct the locusts into pits, where they are destroyed; trampling by herds of 

 sheep or goats; dragging with bushes; beating with flails; and the use of the locust 

 fungus. Mention is made of an insect enemy of the locust known as Cynoinia 

 pictlfaciex. 



Locust destruction {Agr. .Tour. Cape Good Hope, 17 {1900), No. 10, pp. 619,620, 

 fig. 1). — An account of l)rief reports by C. W. Sparkes and Mr. Halse concerning the 

 distribution of locust fungus and the use of a bush harrow in destroying the young 

 locusts. 



The apple maggot, F. W. Card and G. F,. Adams {Rhode Island Sta. Rj^t. 1900, pp. 

 247, ;^.^).— Observations were made upon the effect of plowing underneath trees on 

 the prevalence of this insect. At first results were obtained which seemed to be very 

 promising, but on September 19, 1899, 500 apples from the trees which Avere under 

 treatment and an equal number from a neighboring tree the ground under which 

 had not been plowed were examined, with the result that 236 apples of the first lot 

 and 394 of the second lot were found affected. The infestation in the first lot of 

 apples was, however, not so serious as in the second lot, and the authors believe that 

 the method offers some encouragement. 



The grape-root -worm, a ne^w grape pest in Newr York, ]\1. V. Slingerland 

 {New York Cornell Sta. Bui. 184, pp- 17-32, figs. 10). — A report of an insect injuri- 

 ous to grapes at Ripley, in the Chautauqua Lake grape region, was sent to the 

 author in September. An examination of the vineyard showed that it was set in 

 fertile soil and had had good care. The leaves on affected vines showed the effects 

 of the insects' attack in the form of small holes. A number of larvie were found at 

 work on the roots of such grapevines, and it is believed by the author that the species 

 is Fidia 'dticida, although no specimens were reared to maturity. Brief pojmlar notes 

 are given on the life history and habits of this insect. 



Tortrix ambiguella and T. pilleriana, J. Jablonowski {Kiserlet. Kozkm., 3 

 {1900), No. 4, pp. .'69-oGO, ph. 3,fig.t. 8). — The author reviews a part of the literature 

 which deals with these two species, and gives a detailed a(!Count of their anatomy, 

 life history, habits, and food plants. Among the natural enemies of T. anihiguella 

 the author mentions Anomalon flaveolatwrn, Vespa vulgaris, and a bacterial disease 

 apparently due to the attack of a micrococ-cus. Among the artificial remedies which 

 were tried against these insects, mention may be made of the kerosene lamp and 

 pyrethrum. The synonymy of both species is discussed in considerable detail. T. 

 ariiljigaella is said to be double-brooded in Hungary, while T. pilleriana has but one 



