58 EXPERIMENT STATION RECORD. 



to be the source of considerable damage to belladonna iilants in the vicinity of 

 Ilitchin. Hertfordshire, especially during dry seasons. 



The cherry stem borer, Semasia wceberiana, W. E. Collinge, {Jour. Bd. 

 Agr. [London^, 11 {J911), No. 10, pp. 828-830).— This insect was the source of 

 injury to cherry trees in various parts of Kent and Hertfordshire in 1908 and 

 increased in abundance during 1909 and 1910. 



A new cotton pest, Aulmann (Tropenlandw., Bcilage Kolon. Ztschr., 1 

 (ID/l), Kos. 1, pp. 3, Jf,' S, pp. 9-11, figs. 0). — The curculionid beetle Alcides 

 brcviro'itris is reported to injure cotton in German East Africa by girdling the 

 stalks. 



Steirastoma depressum, " cocoa-borer beetle," J. L. Gxtppy {Bui. Dept. Agr. 

 Trinidad, 9 {1910), No. 66, pp. 186-191). — An account is given of the life history, 

 distribution, and control of the cocoa-borer beetle vphich has been a serious pest 

 and source of annoyance to planters in several parts of Trinidad. It is also 

 said to be found in Venezuela, Colombia, Surinam, British Guiana, Grenada, 

 and Guadeloupe. 



Notes on Lixus marginatus, M. A. Yothers {Canad. Ent., Jt2 {1910), No. 3, 

 pp. 63-71, pi. 1). — L. marginatus is reported to have been bred from swellings, 

 about the size of peas, on the stems of Polygonum littorale growing at East 

 Lansing, Mich. 



Revision of the Australian Cui'culionidse belonging to the subfamily 

 Cryptorhynchides, A. M. Lea {Proc. Linn. Soc. N. S. Wales, 31, {1909), pt. J,, 

 pp. 593-635). — A continuation of the work previously noted (B, S. R., 22, p. 363). 



The asparagus miner, F. H. Chittenden {U. S. Dept. Agr., Bur. Ent. Circ. 

 135, pp. 5, figs. 2). — A revised reprint from Bulletin 66, previously noted 

 (E. S. R., 19, p. 158). 



Studies of the honeybee (Apis mellifica), E. Zander {Ztschr. Wiss. ZooL, 95 

 (1910), No. 4, PP- 507-550, pis. 3, figs. IJf). — The author publishes the first two 

 of a series of. studies of the honeybee. The first paper contains a full descrip- 

 tion of the development and comparative anatomy of the thoracic exoskeleton 

 of bees and wasps with special reference to the disputed point of the exact 

 composition of the thorax. In the second paper the structure and mechanism 

 of the flight apparatus of the honeybee ai"e discussed by F. Stellwaag. 



A new pteromalid parasitic on Tortrix fumiferana, C. T. Brues {Canad. 

 Ent., 42 {1910), No. 8, pp. 259, 260). — Nasonia tortricis, the species here 

 described as new, was bred from pupie of the spruce budworm {T. fumiferana) , 

 collected at Baskatong. Quebec. 



Descriptions of 3 new North American species of the mymarid genus 

 Polynema, parasitic on membracid eggs, with a list of the species described 

 since the year, 1898, A. A. Girault {Jour. N. Y. Ent. Soc., 19 {1911), No. 1, 

 pp. 12-23). — The parasites here described are P. striaticorne, parasitic on the 

 egg of Geresa buhalus and C taurina in New York, Missouri, and Illinois; 

 P. enchenopw, bred from the eggs of the membracid Enchenopa Mnntata in 

 Illinois ; and P. citripes, a manuscript name given by Ashmead. 



Some remarks on the parasites of the large larch sawfly, Nematus erich- 

 sonii, J. Mangan {Jour. Econ. Biol., 5 {1910), No. 3, pp. 92-94). — In the Lake 

 district in 1908 about 6 per cent of the cocoons of this sawfly were parasitized 

 by Mesolcius auUcus. In 1909 the proportion had increased to 15 i>er cent, 

 while in 1910, some 62 per cent were parasitized. The ovaries from individual 

 parasites kept in captivity usually contained about 30 eggs, although in some 

 cases as many as 40 mature eggs were found. In 1909 about 0.3 per cent of 

 the cocoons furnished specimens of the ichneumon Microeryptus labralis. A 

 tachinid, Exorista duMa, was also bred from the cocoons. The parthenogenetic 



