ECONOMIC ZOOLOGY ENTOMOLOGY, 16l 



dria are briefly outlined. If tlu>st> iiiset-ts cause serious injuries to trees, their 

 attat'lcs may "be partly prevented by removing and destroying or utilizing all 

 <liseased trees and fallen trunks and branches. 



Occurrence of a sport in Melasoma scripta and its behavior in heredity, 

 Isabel McCracken (Jour. H.ipt. ZooL, 4 {1901), No. 2, pp. 221-23S, pi. i).— The 

 Cottonwood leaf beetle has long been known to occur under a variety of color 

 patterns. The frequent occurrence of pure black individuals indicates that this 

 is a natural type of the species. This type does not adhere to Mendelian prin- 

 riples in inheritance, but behaves as a Mendelian recessive in first crosses. 



The white-pine weevil, A. D. Hopkins (U. *S'. Dcpt. Agr., Bur. Ent. Circ. 90, 

 pp. 8, figs. 6). — The adults of Pissodes strobi appear in early May and feed upon 

 the bark of the terminal shoots of white pine, later laying their eggs in the same 

 situation. The adults are active for about 2 weeks. The white pine is the 

 chief host plant, but cultivated spruces, jack pine, and other species of pine are 

 sometimes attacked. The beetle is distributed from North Carolina to New 

 Brunswick and westward to Wisconsin. Infested trees may be recognized by 

 the abnormal development of the terminal shoots. The beetle does not breed 

 in the bark of stumps. The method of treatment recommended by the author 

 consists in collecting infested terminal shoots during the first half of July and 

 l)lacing them in barrels covered with screens so that the parasites may escape, 

 after which the beetles are to be destroyed. 



Some household pests, J. B. Smith {New Jersey ^^tas. Bid. 203, pp. .'/7, figs. 

 ,'l). — Practical notes and suggestions are given regarding the occurrence and 

 means of combating the more important household insect pests, including 

 roaches, ants, carpet beetles, moths, bedbugs, fleas, lice, flies, meal worms, larder 

 beetles, white ants, powder-post beetles, centipedes, drug and cigar beetles, fish 

 moth, and book lice. In the case of each one of these pests, notes are given on 

 the life history of the insect and on the methods which have given best results 

 in the hands of the author and other investigators. Suggestions are also made 

 regai'ding general methods for the destruction of household insects, particularly 

 by fumigation with sulphur and hydrocyanic-acid gas. 



Second report upon the horseflies of Louisiana, J. S. Hine {Louisiana Stas. 

 Bui. .93, pp. 39, figs. 3"!). — The purpose of the investigations reported in this 

 bulletin was to obtain knowledge of the life history of horseflies which would 

 serve as a basis for the fornuilation of practical rules for controlling these pests. 



Horseflies appear to prefer swampy or wooded areas. One parasite was 

 found attacking the eggs of Tabanus. Monedula Carolina is reported as prey- 

 ing upon horseflies. Analytical keys are presented for the identification of the 

 Tabanidse of the United States and the species of Chrysops and Tabanus found 

 in Louisiana. Each species is described with notes on its habits and life 

 history. 



Two little-known ticks of the Transvaal, C. W. Howard {Transvaal Agr. 

 Jour., 5 {1907), No. 19, pp. 581-584, pis. 2). — An account is presented of the 

 biologj' and' economic relations of Argas persicus and Ornithodoros savignyl 

 cwcus, the first species attacking fowls and the second being parasitic on man 

 and other animals. 



The fowl tick is very conmion throughout South Africa and is also widely 

 distributed in other parts of the world. It is found on all kinds of domestic 

 fowl, including also ostriches and canaries. O. savignyl caucus, known by the 

 common name of tampan, resembles the fowl tick but is considerably larger. 

 It occurs in the dry and warm parts of South Africa and in some localities is a 

 serious pest of man and domestic animals, particularly cattle and horses. 



