756 EXPERIMENT STATION RECORD. 



rate of 1 gal. to 15 gal. of water. Only one application should be made, and 

 that on a day when the temperature is above freezing. 



" In cases of severe infestation the oils should be supplemented by thorough 

 sprayings with arsenate of lead at the rate of 6 lbs. to 100 gal. of water or of 

 lime-sulphur solution. At least one application should be made before the 

 blossoms open, and another after the petals fall ; the latter will serve also as 

 the regular spraying for codling moth. In lightly Infested orchards spraying 

 with miscible oils may be omitted and reliance placed on thorough applica- 

 tions of arsenate of lead, at the rate of 6 lbs. to 100 gal. of water or lime- 

 sulphur solution. One or two applications should be made before the blossoms 

 open and another after the petals fall." 



The bagwonn, an injurious shade tree insect, L. O. Howabd and F. H. Chit- 

 tenden (r. S. Dept. Agr., Farmers' Bui. 701 {1916), pp. 11, ^g». IS).— A. revision 

 of Circular 97 of the Bureau of Entomology, previously noted (E. S. R., 19, 

 p. 860). 



The cranberry girdler and its control, H. B. Scammell (Proc Amer. Crati' 

 bernj Growers' Assoc, If6 {1915), pp. J^S). — The observations of the season are 

 said to have led to the conclusion that there is only one annual brood of the 

 cranberry girdler {Cramhu^ horteUus). 



Observations on respiration of Culicidse, S. K. Sen {Indian Jour. Med. Re- 

 seareh, 2 {1915), Xo. 3, pp. 681-697, pis. 4, fiffs. 4). — A report of observations on 

 the consumption of oxygen and evolution of carbon dloiid by mosquitoes. 



Notes on five North. American buffalo gnats of the genus Simulium, A. W. 

 JoBBiNs-PoMEROY {U. S. Dept. Agr. Bui. 329 {1916), pp. 48. pis. 5, figs. 15.— 

 Morphological and biological studies are here presented. The various stages of 

 the simulids, their life cycle and number of generations, Insect enemies and 

 parasites are dealt with. The Simulium as a possible carrier of disease Is also 

 considered. 



A bibliography of 14 pages arrange«l in alphabetical order is appended. 



Sarcophagid larvae from the painted turtle, F, E. Chidester {.Jour. Para- 

 sitologij, 2 {1915), No. 1, pp. 48, 49. figs. 2). — The autlior records having roared 

 several sarcopliagid larvae from the painted turtle {Chrysemya picta) at New 

 Brunswick, N. J. 



A new generic name for the screw worm fly, C. II. T. Townsend {Jour. 

 Wash. Acad. Sci., 5 {1915), No. 20, pp. 644-646) .—The author erects the genus 

 Cochliomyia for the screw worm fly, which has been known as Chrysomyia 

 maeellarin. 



Life history studies of the Colorado potato beetle, Pauline M. Johnson 

 and Anita M. Balunger {U. S. Dept. Agr., Jour. Agr. Research, 5 {1916). No. 

 20, pp. 917-926, pi. 1). — This is a report of exporiinonts con<luctiHl in the District 

 of Columbia during the season of 1014. during which time the temperature was 

 exceedingly high with more than tl>e normal rate of humidity. The data are 

 presented largely in tabular form under the lioadings of generation experiments, 

 number of molts and duration of instars. and fall mating for spring egg laying. 



Observations on the life history of the cherry leaf beetle, G. W. Hekrkk 

 and R. Matheson {U. S. Dept. Agr., Jour. Agr. Research, 5 {1916), No. 20, pp. 

 943-950, pis. 2). — The authors report from the New York Cornell Experiment 

 Station that several severe outbreaks of the cherry -leaf beetle {Galerucella 

 cavicollis) occurred in New York State during the summer of 1915, in which the 

 adult beetles defoliated cherry, peach {Aruygdalus prrsica), and plum. Prac- 

 tically all the injury was restricted to the western and southwestern part of the 

 State. 



In the present paper they first present a historical review, after which tlie life 

 history and habits are briefly dealt with. This beetle is widely distributed. 



