90 THE EEPOET OF THE No. 36 



Gahan, a. B. Aphidiinffi of North America: Bulletin No. 152, Maryland 

 Agricultural Experiment Station, College Park, Md., March 11, 1911, pp. 147-200. 

 The study of parasitic insects is every year becoming more important and such re- 

 sults as are published in the above Bulletin are extremely useful. The author 

 treats of 48 species of this subfamily of the Braconidse. Five new species are de- 

 scribed and in order to point out characters, correct errors in former descriptions, 

 obviate the confusion in certain cases resulting from the numerous descriptions 

 of the same species under different names, as well as to bring the descriptions all 

 together in a convenient form for reference, a redescription is included of all the 

 established species of which authentic specimens could be obtained. Eight species 

 are stated to occur in Canada. 



Hampson, Sir George F- (Bart.). Catalogue of the Lepidoptera Phal^n^ 

 in the British Museum, Vol. X, NoctuidiB, 1910, 829 pp., plates CXLVIII— 

 CLXXIII; volume received 27th January, 1911, plates received 7th June, 1911. 

 In this large volume 1,222 species belonging to 136 genera of the subfamily 

 Erastrianffi, are classified. " The subfamily is homogeneous in appearance but is 

 not very well defined structurally, being intermediate in characters between the 

 Trifid and Quadrifid sections of the Noctuidse, and having very close affinities on 

 the one hand with the Acronyetinse, and on the other hand with the Acontiana3, 

 Noctuinae, and Hypeninse." The moths of the subfamily Erastrianse are confined, 

 to a large extent, to the tropical and warmer temperate regions. Eecords of only 

 sixteen species which occur in Canada are given, but in the volume are several other 

 species which are to be found within the Dominion. The beautiful plates which 

 accompany this volume are of the usual high character. 



Hopkins, A. D. Contributions Toward a Monograph of the Bark-weevils of 

 the genus Pissodes; U. S. Dept. Agric, Bureau of Entomology, Technical Series, 

 No. 20, Part I ; issued January 7, 1911. This further contribution to our know- 

 ledge of forest insects is very welcome. These bark-weevils are important enemies 

 of pine, spruce, and fir trees, and such information as is given in this part is of 

 much economic value. The results of the anatomical studies, as given in detail, 

 are of much interest. Thirty species are recognized from North America; twenty- 

 three of these are described as new, six of which are from Canada. 



MouLTON, Dudley. Synopsis, Catalogue and Bibliography of North Ameri- 

 can Thysanoptera, with descriptions of new Species; Technical Series No. 21, U. S. 

 Dept. of Agriculture, Bureau of Entomology, pp. 56; issued June 13, 1911. This 

 synopsis and catalogue of the Thysanoptera will be found of much value to students 

 of these insects; 118 species are listed, 10 of which are described as new. Six 

 full page plates appear in the Bulletin. 



Skinner, Henry. The Larger Boreal American Hesperidse. including Eu- 

 damus, Erycides, Pyrrhopyge, and Megathymus. Reprint from Transactions of the 

 American Entomological Society; Vol. XXXVII, No. 3, issued August 18, 1911; 

 pp. 169-209, with one colour plate. This most useful paper will be much consulted 

 by students of diurnal lepidoptera. The original description of each species is 

 given, together with notes on distribution, etc., and where known, the food plants 

 of the larvEe, descriptions of caterpillar and chrysalis, together with critical notes 

 which will help the student to determine the species. Canadian records are in- 

 cluded of three of the species. An interesting note at the end of the paper is that 

 referring to Eudamus electra Lint., which was described from a specimen collected 

 at Plamilton, Ont. It now seems as if this specimen of electra is the male of 



