70 REPORT OF THE AGRICULTURAL RESEARCH INSTITUTE 



new principle of checking swarming and having larger 

 surpluses from strong and populous colonies. The work 

 will be continued. A Bulletin on Bee-keeping was issued 

 at the close of the year. 



V. Illustrations. 



Illustrations were prepared, to the extent of artistic 

 assistance available, of the insects studied during the year. 

 Coloured plates, showing the complete life-history, were 

 prepared during the year of the following insects : — 

 Utetheisa pulchella* Odoiporus longicollis* Atracto- 

 morpha crenulata, -Oxycarenus Icetus, Plusia orichalcea. 

 Perigea capensis, Etiella zinckeneclla, Glyphodes indica 

 and Chilo simplex* of which those marked # are printed 

 and available. Numerous line drawings have also been 

 made and will be utilized as occasion arises. The issue of 

 coloured plates and lantern slides has been continued. 



VI. Miscellaneous. 



Correspondence. A total of 103 parcels of specimens, 

 mostly of crop-pests, was received during the year for 

 identification and advice, whilst 1,119 letters were 

 received and 1,374 issued, but these numbers are exclusive 

 of a large amount of routine correspondence. 



VII. Insect Survey. 



Steady progress has been made in additions to and 

 arrangement of the collection. The whole of the collection 

 of Hymenoptera has been rearranged in one series, so that 

 all the information on any species or group is now available 

 in one place. The same is being done with the Coleoptera, 

 and other groups will be taken up as time and staff permit. 

 The following collections were sent to specialists in the 

 groups named and our thanks are due to them for the help 

 afforded : — Chalcididae to Dr. L. O. Howard, Formicidse 

 to Mr. W. M. Wheeler, Stylopidae to Mr. Dwight Pierce, 

 Dryinidse to Mr. J. C. Crawford, Rhynchota to Mr. W. ]SJ, 

 Distant, Coccidse to Mr. E. Ernest Green, Noctuidae and 



