ECONOMIC ZOOLOGY ENTOMOLOGY. 147 



(Lygidea mendax), pear psylla, San Jose scale, and blister mite. Those men- 

 tioned as affecting garden and grain crops are tlie rose scale, greenhouse leaf- 

 tyer (Phlyctwnia ruhigalis), wheat wireworm {Agriotcs mancus), and harle- 

 quin cabbage bug. Other insects mentioned are the elm leaf beetle (Galenicella 

 luteola), bag^\"orm, sugar maple borer {Plagionotus spcciosus), elm scurfy 

 scale (Chionaspis americana), false cottony maple scale (Phenacoccus aceri- 

 cola), large black carpenter ant {Camponotus herculeanus), Abbott's pine saw- 

 fly {Lophyrus abbotii), spotted Cornus sawfly (Hat'piphorus tarsatus), blue 

 Cornus sawfly {H. versicolor), spotted pine weevil (Pissodes notatus), snow 

 white linden moth, birch leaf skeletonizer (Bucculatrix canadensisella) , peach 

 tree blight {PempJiigus imhricator), silver fir aphid {Chennes plcew), blow fly 

 (CalUphora viridescens), stable fly {Musciiia stabulans), Agrontgza melampyga, 

 Coquebert's Otiocerus (Otiocerus cogucberiii), etc. 



In an appendix (pp. 82-104) the author reports studies made of pedogenesis 

 in the cecidomyiid fly Miastor americana. This includes the history of pedo- 

 genesis, methods, embryology, a bibliography, etc. 



Guide to the insects of Connecticut {Conn. State Geol. and Nat. Hist. Sur- 

 vey Bui. 16, 1911, jrp. 169, pis. 11, figs. 66).— This is the first of a series of 

 papers dealing with the insects of Connecticut. Part 1 (pp. 13-3S), consisting 

 of the general introduction by W. E. Britton, includes a bibliography of the 

 more important works relating to North American entomology, a discusion of 

 the abundance, habits, and haunts of insects, their distribution, the life zones 

 of Connecticut, economic status, structure, growth, classification, etc. Part 2 

 (pp. 41-165), by B. H. Walden, deals with the insects of the orders Euplexop- 

 tera and Orthopetera that occur in Connecticut. 



A handbook of the destructive insects of Victoria, with, notes on the 

 methods of prevention and extirpation, C. Fkench (Melbourne, 1911, pt. 5, 

 pp. 169, pZs. JfO, figs. 4)- — ^This is the fifth of a series of volumes being pub- 

 lished, of which the first 4 have been noted previously (E. S. R., 22, p. 253). 



Contributions to the knowledge of insect pests, F. Silvestri [Bol. Lab. 

 Zool. Gen. e Agr. R. Scuola Sup. Agr. Portici, .^ (1910), pp. 2J,6-289, figs. 25; 

 5 (1911), pp. 287-319, figs. 26).— The first paper deals with the elm leaf beetle 

 (Galerucella luteola), its biology, natural enemies, etc., and includes a biblio- 

 graphy of 32 titles; the second paper with Plusia gamma, its biology, injury, 

 and natural enemies, and includes a bibliography of 12 titles. 



Insect enemies of the G-g in Brazil and their control, H. von Iheeing 

 (Chacaras e Quintaes, 3 (1911), No. 2, pp. 9-11, figs. Jf,- abs. in Internat. Inst. 

 Agr. [Rome^, Btd. Bur. Agr. Intel, and Plant Diseases, 2(1911), No. 5, pp. 

 1193-119/f). — Azocliis gripusalis, Trachyderes thoracicus, Stenoma albella, and 

 an undetermined cerambycid beetle are mentioned as enemies of the fig. 



The enemies of medlar (Mespilus), P. Noel (Abs. in Internat. Inst. Agr. 

 [Rome], Bui. Bur. Agr. Intel, and Plant Diseases, 2 (1911), No. 2, pp. Jt53, 

 Jio^). — A list is given of the important insect enemies of medlar. 



The insect enemies of sulla, T. de Stefani (Bol. B. Orto Bot. Palermo, 9 

 (1910), No. 1-3, pp. 116-122).— An account is given of the buprestrid beetle 

 Sphenoptera lineata (geminata) and a lepidopteron which attack sulla, or 

 French honeysuckle (Hedysarum coronarium), in Tunis and Sicily. 



The life history of the walking'-stick, Diapheromera femorata, H. H. P. 

 Seveein and H. C. Seveein (Jour. Econ. Ent., k (1911), No. 3, pp. 307-320, figs. 

 3). — In its natural habitat in Wisconsin, this walking-stick feeds upon the 

 leaves of the hazelnut shrubs (Gorylus americana) and to some extent upon 

 the leaves of the linden (Tilia, americana). In reariugs made of 100 indi- 

 viduals of D. femorata, under conditions as nearly normal as possible and ex- 

 tended over a period of 4 years, it was found that 23 per cent molted 4 times, 



