ear ye Pers MÈRE 4 > a + 
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x *  Repertorium Entomologicum. 29 
‚United States Department of Agriculture. Depart- 
ment Bulletin No. 1182. Washington, 12. XII. 1923. 
W. Middleton, The imported pine sawfly. 21 pp., 8 fig. 
_ [Diprion simile Htg.| 
_— — — Bulletin No. 1205. Washington, 25. I. 1924. 
| 0. J. Snapp &C.H.Alden, Dusting and spraying peach 
trees after harvest for control of the plum curculio. 18 pp., 
4 fig. [Conotrachelus nenuphar Hbst.| o_ 
_— — — Bulletin No. 1228. Washington, 23. I. 1924. 
| W. M. Davidson, Results of experiments with miscella- 
neous substances against the chicken mite. 10 pp. |Dermanyssus 
gallinae Redi.| 
The American Naturalist. Vol. LVIII, nr. 654. New York, 
Februar 1924. ~ 
| Ent. Inh.: R. Pearl & S. L. Parker, Experimental 
studies on the duration of life. IX. New life tables for Droso- 
phila. p. 71—82, 2 fig. 
The Proceedings and Transactions of the Nova 
Scotian Institute of Science. Vol. XV, pt. 4. ROBE 
Nescot., te XI 1923. 
Ent. Inh.: H. Piers, List of a small Enllechion of ants : 
(Formicidae) obtained in Queen’s County, Nova Scotia, by the 
late Walter H. Prest. p. 169—173. 
The Ohio Journal of Science. Publ. by the Ohio State 
- University Scientific Society. Vol. XXXII, nr. 6. Columbus, 
Oh., Nov.—Dez. 1923. | 
Ent. Inh.: F. M. Hull, Notes on the family Syrphidae 
(Diptera) with the description of a new species. p. 295 —298. 
[Myiolepta pretiosa n. sp. von Mississippi.] 
Proceedings of the National Academy of Sciences 
of the United States of America. Vol. 10, nr. 1. 
Washington, 15. I. 1924. 
Ent. Inh.: L. O0. Howard, Retarded establishment of 
introduced parasites of injurious insects. p. 16—18. 
Physis. Revista de la Sociedad Argentina de Ciencias Naturales. 
Tom. VII, nr. 24. Buenos Aires, 12. XII. 1923. 
Ent. Inh.: C. Bruch, Coleépteros fertilizadores de „Proso- 
panche Burmeisteri“ De Bary. p. 82—88, 19 fig. — C. Bruch, 
