474 EXPERIMENT STATION RECORD. 



preventing the entrance of the digestive tiuids I))' whieli the insects are surrounded. 

 The openings of the spiracles are long and narrow and can l)e (;losed so as to be 

 water tight. A bibliography of the subject is appended to the article. 



Notes on Cerrococcus, Rose W. Patterson {Proc. California Acad. Sci., S. ncr., 

 ZooL, 2 {1901), No. 9, pp. 385-394, pls- 3). — Of the 3 si)ecies which are recognized as 

 belonging to this genus, 2 are commonly observed in California on oaks and were 

 studied. These are C. ehrhorni and C. quercus. Detailed descriptive and biological 

 notes are given on these species and brief notes are also presented on C. corticis. 



The rearing of hymenopterous borers in pruned branches, W. Baer {AUg. 

 Zlschr. Ent., 6 {1901), No. 11, pp. 161-163, figs. 4)- — Two species of boring was])S were 

 found in the twigs of Fraxinus exceUior. Detailed notes are given on the structure 

 and course of the burrows. The species concerned were Psen atralus and Cmbro 

 capitosus. 



Monograph of the Sesiidae of America north of Mexico, W. BEUTENMtJLLER 

 {Mem. Ainer. Mas. Nat. Hist., 1 {1901), No. 6, pyp. iiUl-.iii.^, ]>ls. 8, figs. ^-^).— This 

 monograph contains an elaborate discussion of the characters of the family and 

 genera, with analytical tables for the determination of genera and species and also 

 tables for the determination of the larvpe from their food habits. In connection with 

 the discussion of each species a detailed bibliography is presented, and a general bib- 

 liography of the literature concerning the family of moths and including 542 titles is 

 appended to the article. 



Smerinthus quercus, L. von Aicwer-Albafi {AUg. Ztschr. Ent., 6 {1901), No. 9, 

 pp. 137, 138). — The larvae of this moth feed from July until Septem})er upon a species 

 of oak, especially Quercus rohiir. The moths appear from March until June. They 

 are readily attracted to electric lights and may be taken in large numbers in such 

 situations. 



Syrphus flies and colors of flowers, F. Plateau {Mem. Soc. Zool. France, 13 

 (1900) No. 4, 2>p- 266-285). — The author has previously investigated the relationship 

 of the color of flowers to the visits of insects and a number of other crops, and from 

 these results in connection with the study of the Syrphidje Concludes that insects are 

 influenced in no way by the color of the tiowers which they visit. 



Trapping insects on fruit trees {Landtnandsblade, 34 {1901), No. 36,j)p. 432-434, 

 figs. 2) . — A description is given of a band for u,se in catching the larvae of the codling 

 moth. The band is made of coarse cloth with narrow strips of pasteboard attached 

 to the cloth at frequent intervals in vertical planes. The band is fastened to the tree 

 so as to bring the strips of pasteboard next to the bark. Good success is reported 

 from the use of these bands. 



Hints on spraying (Jour. Jamaica Agr. Soc, 5 {1901), No. 4, pp. 145, 146). — 

 This article contains brief notes on spraying apparatus and a few of the common 

 insecticides. 



Catalogue of collections of pests and insecticides {Com. Agr. Parasil. Secy. 

 Pull. Prom. Mexico, 1901, pp. 6). — -Brief notes on Trypeta ludens, AntJumomus grandis, 

 Termes castane, various species of bark lice, mosquitoes, bean weevil, etc., with brief 

 notes on plant parasites and insecticides. The cucaracha herb is reported as being 

 an effective remedy for destroying lice and fleas on dogs, cockroaches, mosquitoes, 

 and other insects. The fresh jilant costs 1 ct. per kilo and may be used in infusion. 

 Microsechium helleri is useful in destroying plant lice and underground insects. The 

 root of the plant costs $40 a ton. 



How to get rid of fleas, J. A. Moffat {Canad. Ent., 33 {1901), No. 6, p. 173).— 

 The effect of tarred paper in the construction of houses upon infestation by fleas was 

 perhaps first reported from New South Wales. A similar experiment was tried at 

 the suggestion of the author, and was found to be an effective means for ridding 

 houses of these pests. 



Fleas, W. W. Froggatt {Agr. Gaz. New South Wales, 12 (1901), No. 5, pp. 535-542, 



