52 



November ; Natada nararia, Moore ; Orgyia posfica, Wlk. ; Lamelli- 

 corn larvae ; Eriophyes (Phytoptus) carinatus ; Helopeltis antotiii ; 

 Calotermes militaris. 



On Hevea : a mollusc, MariaeUa d^issumieri, various Scolytidae, 

 Saissetia {Lecanium) nigra and the Longicom, Batocera rubiis, which is 

 the most insidious pest of this tree in Ceylon, but is not yet numerous. 



On coconuts, Nephantis serinopa, Me}T., and Rhynchophorus ferru- 

 gineus. On rice, an outbreak of Leptocorisa varicornis was controlled 

 by hand netting. 



An Entomological Demonstration Train. — Directors' Report, 1914-1915. 

 Kansas Agric. Expt. Sta., Kansas State Agric. Coll, Manhattan, 

 1916, p. 32. 



The Experiment Station, the Extension Division of the College and 

 the Santa Fe Railway ran a special train for five days in June 1915, 

 just prior to the harv^est, for the purpose of disseminating information 

 regarding the Hessian fly [Mayetiola destructor]. By this means 7,000 

 persons received instruction in control methods. 



Dean (G. A.) &Nabours (R. K.). A New Air-conditioning Apparatus. 



— Directors' Report 1914-1915. Kansas Agric. Expt. Sta., Kansas 

 State Agric. Coll., Manhattan, 1916, pp. 46-54, 4 figs. 



The absolute necessity of accumulating data relating to the influence 

 of moisture and temperature on animal life has led to the installation 

 at the Kansas Agricultural Experiment Station of a machine that 

 automatically treats the air before it enters the insect breeding chamber, 

 and forces it through at a rate causing a complete displacement every 

 minute or even more often. A general account of this apparatus is 

 given. In the entomological investigations, valuable results have been 

 secured in the life-history studies of the Hessian fly [Mayetiola des- 

 tructor]. With an optimum temperature this Cecidomyid can pass 

 through its entire life-cycle in from 23 to 24 days, and thus it is clearly 

 indicated that with climatic conditions such as are often experienced 

 in Kansas it is possible for from one to five broods to occur in a single 

 season. Field studies during the past eight years have indicated that 

 on several occasions more than two broods occurred. The presence 

 of moisture in the form of dew was found not to be necessary to the 

 larva, which can itself secrete moisture. Studies of the life-history of 

 several other pests of important crops are contemplated. 



MuiK (F.) & SwEZEY (0. H.). The Cane-borer Beetle in Hawaii and 

 its Control by Natural Enemies. — Rept. Hawaiian Sugar Planters 

 Assoc. Expt. Sta., Honolulu, Entom. Bull. no. 13, September 1916, 

 102 pp., 4 figs., frontispiece, 3 plates, 1 map, 7 appendices. 

 [Received 21st November 1916.] 



The sugar-cane borer {Rhabdocnemis obscurus) occurs in Christmas 

 Island, Guam, Bonin, Amboina, Ceram, Kei, Timor Laut, New 

 Guinea, New Ireland, Fiji, Samoa, Tahiti, Gambier and the Hawaiian 

 Islands, as well as in the northern portions of Queensland. The same 

 or a closely alhed species is also known from Celebes, Batchian and 

 Mysol. Its original habitat was probably New Guinea and the 



