ECONOMIC ZOOLOGY — ENTOMOLOGY. 757 



of the Flies Fannia (Hovialomyia) canicularis and F. scalaris and Their Rela- 

 tion to Myiasis of the Intestinal and Urinary Tracts, by C. G. Hewitt (pp. 

 15-22). The five papers presented In the sixth report are: Empusa muscv 

 and the Extermination of the House Fly, by 11. T. Giissow (pp. 10-14) ; Hiber- 

 nation of House Flies, by S. ^L Copeman (pp. 14-19) ; The Range of Flight of 

 Musca domcstica, by G. H. F. Nuttall, E. Hindle, and G. Merriman (pp. 20-41) ; 

 Note on the Color Preference of Flies, by E. Hindle (pp. 41-43) ; and Further 

 Observations on Nonlactose-fernienting Bacilli in Flies, and the Sources from 

 Which They Are Derived, with Special Reference to Morgan's Bacillus, by 

 G. S. Graham-Smith (pp. 43-46). 



A new parasite of the house fly (Acarina, Gamasoidea), H. E. Ewing {Ent. 

 News, 2-'t {1913), No. 10, pp. 452-Ji56, pi. 1). — Ulacrochelefi muscw n. sp., col- 

 lected at Ithaca, N. Y., and Corvallis, Oreg., is said to be a true parasite of 

 Mil sea domes lien. 



Formaldehyde gas not effective upon flies, E. S. Tucker {Trans. Kans. 

 Acad. Set., 26 {1912), p. 53). — Formaldehyde gas, generated by 2 lbs. of formalin 

 and i lb. of pernmnganate of potash crystals, in the disinfection of a room con- 

 taining 1,456 cu. ft. of space, is reportetd to have had no ill effect upon house 

 flies which wore confined in the fumes over night. 



The large narcissus bulb fly (Merodon equestris), L. Ciiilds {Mo. Bui. Com. 

 llort. Cah, 3 {1914), No. 2, pp. 73-76, figs. 2).— This syrphid pest is said to have 

 frequently been received from Sutter County, Cal., and to have been taken at 

 San It.'.fael, Cal., where it is reported to live in the bulbs of Amaryllis. 



Results of w^ork in combating the olive fly in 1912, A. Bkrlese {BoI. Min. 

 Agr., Indus, e Com. [Rome], Set: C, 12 {1913), No. 5-7, pp. 7-16).— A summary 

 of the results of the year. 



The peach fly, J. C. Castellano {Gac. Rural [Buenos Aires], 6 {1913), p. 

 783; abs. in Rev. Appl. Ent., 1 {1913), Ser. A, No. 9, pp. 310, 5ii).— The author 

 reports that the peach fly {Chyliza persicorum) is the source of much injury 

 to fruit crops in Argenona. It generally appears at the end of February and 

 during March, finding conditions favorable to its development in windfalls or 

 stacked fruit, especially those which have suffered slight damage and present 

 cracks and bruises and where the eggs can be deposited. 



Researches on the larval morphology of Diptera of the genus Phora, D, 

 Keilin {Bui. Sci. Franee et BeUj., 45 {1911), No. 1, pp. 27-88, pis. 4, figs. 5).— 

 This detailed report of the author's studies includes work with Phora bergen- 

 stammi, P. rufipes, P. rufieornis, etc., and a review of the literature. A bib- 

 liography of 39 titles is appended. 



The bionomics of the rat flea, C. Strickland {Brit. Med. Jour., No. 2735 

 {1913), p. 1160). — These notes relate to the longevity of the adult Ceratophyllus 

 taseialus. 



On " Crithidia " fasciculata in hibernating mosquitoes (Culex pipiens) and 

 the question of the connection of this parasite with a trypanosome, H. M. 

 Woodcock {Zool. Anz., 43 {1914)^ No. 8, pp. 370-382, figs. ///).— Whether or not 

 this parasite is connected with the trypanosome still remains to be determined. 



The boll weevil, G. H. Alford {Chicago [1914], PP- 31, figs. 18). — A sum- 

 marized account of the boll weevil and the means by which cotton may be 

 profitably produced in infested territory. 



New bark beetles and food plants, Y. Niisiaia {Trans. Sapporo Nat. Hist. 

 Soe., 5 {1913), No. 1, pp. 1-6). — A number of species of scolytids representing 

 the genera Hylesinus, Polygraphus, and Cryphalus are described as new. 



The Meloidae of Mexico, L. Conradt {Bol. Dir. Gen. Agr. [Mexieo], Rev. 

 Agr., 2 {1912), No. 7, pp. 644-649, pis. 2).— A general account of the blister 

 beetles is followed by brief descriptions of nine species found in Mexico. 



