754 EXPERIMENT STATION EECORD. 



of different orders and in different stages of development. This fungus was 

 first discovered by Metschnilioff in Russia on the larv?e of the wheat cock- 

 chafer, AnisopUa aiistriaca. It has since been reported to attack the curcu- 

 lionid beetle Cleonus punctiventris and silkworms, and a variety of the fungus 

 has been described by Pettit (E. S. R., 7, p. 412) as attacking cutworms of 

 the genus Agriotes. 



A bibliography of 26 titles accompanies the account. 



Results of experiments with the froghopper fungus, L. H. GouGH (Proc. 

 Agr. Soc. Trinklad and Tohago, 10 {1910), No. 11, pp. J^6S-J^65) .—The author 

 reports having found this fungus growing on flies and to have experimentally 

 infected flies and a second species of froghopper that infests Hibiscus. 



In the cultural studies here reported it was found that the fungus grows 

 readily on most artificial media. It attacks nymphs and adults with equal 

 readiness. Nymphs infected in the last stage can molt but succumb to the 

 infection as adults. " The period elapsing between infection and death is from 

 3 to 7 days. The fungus first appears as a white coating on the underside of 

 the abdomen and on the upper and undersides of the thorax. The victim is 

 usually held firmly in place on the cane-leaf or whatever it is sitting on by a 

 felted mass of hyphfe. In experimental cages dead 'fungus' froghoppers are 

 frequently found on the ground." 



Two methods of distributing the infection have given successful results. In 

 the first the spores were scraped from potato media and after mixing with flour 

 to increase the bulk were dusted with a powder bellows over the field. In the 

 second the fungus was grown on small chips of potato, and after 14 days' growth 

 the chips were deposited in the angles of top-cane leaves on October 10 and 11. 



The froghopper fungus and its practical application, L. H. Gough {Dept. 

 Agr. [Tr-inidad], Circ. 6, 1910, pp. 6, figs. 2).— A discussion of the preparation 

 and distribution of the fungus parasite of the sugar cane froghopper as above 

 noted. 



Contributions to the biological study of Chermes, P. Maechal {Coiwpt. 

 Rend. Acad. Sci. [Paris], 151 (1910). Nos. 15, pp. 652-651,; 17, pp. 732^731,; 19, 

 pp. 832-834). — Biological notes on Chermes picew, C. nussUni, and C. pmi are 

 here presented. 



Diaspis pentagona and its insect enemies, A. Berlese (Redia, 6 (1910), 

 No. 2, pp. 29S-3-'i5, pL 1, figs. 11). — An account of D. pentagona, its geographical 

 distribution, food plants, and more important insect enemies. 



Notes on the Pediculidse, L. G. Neumann (Arch. Par., 13 (1910), No. J,, pp. 

 J/97-537, figs. 31). — An account of 18 species of which 7 are described as new. 



The diamond-backed cabbage moth (Plutella cruciferarum), W. W. Frog- 

 GATT (Agr. Gaz. N. 8. Wales, 21(1910), No. 10, pp. 89Jf-899, pi. 1, fig. i).— An ac- 

 count of the life history, habits, and natural enemies of, and control measures 

 for, P. cruciferarvin, a pest of world-wide range that is the source of consider- 

 able injury to cabbages in Australia. 



The coiling of caterpillars of Epichnopteryx helicinella, C. Vaney and A. 

 CoNTE (Compt. Rend. Soc. Biol. [Paris], 68 (1910), No. 10, pp. 432-434; a^^s. in 

 Jour. Roy. Micros. Soc. [London], 1910, No. 5, p. 570).— Bionomic notes are pre- 

 sented. 



Mealie grubs, C. Fuller (Natal Agr. Jour., 15 (1910), No. 4, PP- 426-436, 

 pis. 2, figs. S). — Notes on the caterpillars of 3 moths, their injury to corn in 

 Natal, and the remedial measures applicable. 



A cecidoniyiid on mango leaves (Agr. News [Barbados]. 10 (1911), No. 

 227, p. 10, fig. 1). — Mention is made of an undetermined species of cecidomyiid 

 fly, the larva of which lives in the soft tissue of mango leaves in the island of 

 St. Vincent. 



