Technical Series, No. 12. 



U. S. DEPARTMENT OF AGRICULTURE, 



BURE^T/ Oin ElSrTOM:OLOG!-Y. 



L. 0. HOWARD, Entomologist and Chief of Bureau. 



MISCELLANEOUS PAPERS. 



I. CATALOGUE OF RECENTLY DESCRIBED COCCIDvE. 



By J. G. SANDERS, M. A., Assistant. 



II. HABITS AND LIFE HISTORIES OF SOME FLIES OF THE FAMILY TABANID^E. 



By JAMES S. HINE, of the Ohio State University, Columbus, Ohio. 



III. A CONTRIBUTION TO OUR KNOWLEDGE OF THE THYSANOPTERA 

 OF CALIFORNIA. 



By DUDLEY MOULTON, Engaged in Decidtious-Fruit Insect Investigations. 



IV. NEW GENERA AND SPECIES OF APHELININ.E, WITH A REVISED TABLE 



OF GENERA. 



By L. O. HOWARD, Ph. D. 



V. THE MORE IMPORTANT ALEYRODID/E INFESTING ECONOMIC PLANTS, WITH 



DESCRIPTION OF A NEW SPECIES INFESTING THE ORANGE. 



By A. L. QUAINTANCE, In Charge of Deciduous- Fruit Insect Investigations. 



VI. A RECORD OF RESULTS FROM REARINGS AND DISSECTIONS OF 



TACHINID.^. 



By CHARLES H. T. TOWNSEND, Expert in Charge of Dipterous Parasites, Gipsy-Moth Laboratory. 



VII. THE ORANGE THRIPS. 



By DUDLEY MOULTON, Engaged in Deciduous- Fruit Insect Investigations. 



VIII. BIOLOGICAL STUDIES ON THREE SPECIES OF APHIDIDtE. 



By JOHN JUNE DAVIS, of the University of Illinois, Champaign, III. 



IX. A NEW GENUS OF ALEYRODIDvE, WITH REMARKS ON ALEYRODES 

 NUBIFERA BERGER AND ALEYRODES CITRI RILEY AND HOWARD. 



By A. L. QUAINTANCE, In Charge of Deciduous-Fruit Insect Investigations. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1912. 



