210 EXPERIMENTAL FARMS. 



soil, it then appears to work upwards in much the same way as the Raspberry Cane- 

 borer, and after reaching some inches above ground, having first made a chamber with 

 only thtt thinnest possible covering dividing it from the air, it pupates. I am sending 

 you the only additional specimens I have for identification purposes, and these I take to 

 be the larger the female, and the smaller the male ; you will note considerable difference 

 in their size. I caged these two beetles on a living bush inside a large glass on my 

 table on 14th September; on the 15th I found an egg resting in the crotch formed by a 

 thorn on one of the twigs, but I lost this egg while examining it under the microscope : 

 it was very small and had its surface beautifully ornamented. 21st September, female 

 apparently dying, male still very active. 22nd, female dead ; on the 27th the male was 

 still strong. I could discover no more eggs. 



E. A. Carew-Gibson. 



The specimens of the beetles sent by Mr. Carew-Gib=;on proved to be two females 

 and a male of the rare longicorn bettle above-named. I am indebted to Mr. W. H. 

 Harrington and Dr. L. O. Howard for the exact identification of the species. Through 

 the courtesy of Dr. Howard also, the beautiful figure 22 given above has been specially 

 drawn for this report by Miss L. Sullivan, the accomplished Artist of the Division of 

 Entomology, at Washington, D.C, under the supervision of Mr. F. H. Chittenden of the 

 same Division. Figures 23 and 24 are from photographs by Mr. Carew-Gibson. 



The genus Xylocritis is characterized as follows by Leng in the Bulletin of the 

 Brooklyn Entomological Society, vol. VII., p. 113. 



" Xylocrius, Lee. — This genus presents another remarkable form. The antennae are 

 very stout, quite hairy, the thorax very convex and rounded at the sides, the elytra 

 constricted behind the base and strongly rounded at tip, and the entire surface deeply 

 punctured and pubescent. Two species have been distinguished : — 



More slender ; elytral punctures before middle gross, somewhat confluent, 



surface shining ; behind middle, punctures finer, surface opaque Agassizii, 



More robust ; siu-face all shining ; punctures large, foveate, irregular, more or 



less confluent cribratus. 



" X. Ayassizii, Lee. {Proc. Ac. Phil., 1861, p. 357) — The hair behind the middle of 

 elytra is more dense ; 3rd and 4th joints of antennae about equal. Length, '45 inch 

 ::=12 mm. Habitat: California. 



"X cribratus, Lee. (S. M. C, 1873, No. 247, XL, p. 172).— Pubescence equal 

 throughout; 3rd joint of antennae cne-half longer than 4th. Length, '55 inch=15 mm. 

 Habitat : California, Nevada." 



The following description was made from the three specimens sent by Mr. Carew- 

 Gibson : — Length, male, ^ inch ; female, ^ inch. Colour, deep dull black ; whole body 

 covered with downy, ratlier sparse, pubescence ; erect bristles on head and thorax ; 

 elytra .'^lightly constricted in the middle; thorax and humeral half of elytra coarsely 

 punctate; apical half, velvety, silky, opaque; abdomen of male shiny black, of female 

 piceous ; antennae rather short and stout, of about the same length in both sexes ; 

 thighs swollen in both sexes ; general appearance between Asemum and Callidium. 



SPRAYING. 



From every province overwhelming evidence proves the very great value of spraying 

 fruit trees for the prevention of damage by both injurious insects and fungi. Owing to 

 the large amount of capital invested in fruit farms and the permanent nature of the 

 plantation"?, a great deal more attention has been devoted to the enemies of fruits than 

 to those of any of the other ordinary crops which occupy the land for only one or two 

 ^ years, or even less. The consequence is that the habits of these pests are pretty well 

 understood and standard practical remedies have been devised for most of them. These 

 have been made known widely by means of official reports, agricultural periodicals and 

 the daily press. 



