296 REPORT ON NATIONAL MUSEUM. 



Riley, Charles V.— Entomological Notes. Phylloxera laws. 



(Rural New-Yorker, Feb. 27, 1883.) 



Adoption by Belgium of the rules of the International Convention of Berne, 

 relative to tbe prevention of phylloxera ravages ; abstract of those rules. 



— Trogoderma tarsale as a museum pest. 



(Amer. Naturalist, February, 1883, xvii, p. 199.) 



Notice of F. H. Snow's "A new Museum Pest, Trogoderma tarsale, Mels." 

 (Psyche, June, 1882, iii, pp. 351-352), with remarks on the abundance and 

 ravages of Trogoderma tarsale, and the habits of its larva " in the field." 



Natural sugaring. 



(Amer. Naturalist, February, 1883, xvii, pp. 197-198.) 



Excessive and wide-spread abundance, in 1882, on sycamore trees [Plata- 

 ints'] of Lachnu8 platanicola n. sp.; description of this species; attraction of 

 great numbers of insects to its saccharine exudations, and growth of Fumago 

 salicwa upon these exudations; the conditions which permit the sudden and 

 excessive increase of a given species of insect are often widely prevalent. 



Epilachna corrupta as an injurious insect. 



(Amer. Naturalist, Feb., 1863, XVII, pp. 198-199.) 



Extract from letter of G. H. Stone on the food-plants, habits and ravages 

 of Epilaehna corrupta; geographical distribution of this beetle. 



Notice of an " Illustrated essay on the Noctuidce of North 



America." 



Bull. Brooklyn Entom. Soc, Feb., 1883, v, pp. 77-79.) 



Also separate. 4 p., O. 



Critical review of A. R. Grote's " Illustrated Essay on tbe Noctuidce of North 

 America, ... 1883" ; the matter of Grote's work chiefly second-hand and much 

 of it false ; citation and criticism of false and erroneous passages. 



Dipterous enemies of the Phylloxera vastatrix, 



^Canadian Entomologist, Feb., 1883, XV, p. 39.) 



Crit. rev. of T. W. Fyles' "Description of a Dipterous Parasite of Phyllox- 

 era vastatrix" (Canadian Entomologist, Dec, 1882, xiv, pp. 237-239;) the char- 

 acters given of Diplosls grassator are not sufficient to distinguish the species ; 

 the galls of Phylloxera vastatrix are inhabited by another enemy, named Leu- 

 copis phylloxera in author's MS. ; comparison of larva; and pupae of these t wo 

 Diptera. 



Food habits of Megilla maculata. 



(American Naturalist, March, 1883, xvii, pp. 322-323.) 



Summary of S. A. Forbes's observations upon the food of Megilla maculata, 



with statement of the results of the author's and other observations ou this 



subject, showing that the species is vegetarian. 



Jumping seeds and galls. 



(Sci. Amer., Apr. 14, 1883.) 



A paper read before the Biological Society of Washington, D. C, Nov. 24, 

 1882 (Reprint, Proc. U. S. Nat. Mus., May 12, 1883, pp. 632-635). 



Figures of larva, pnpas, and imago of Varpocapsa saltitaus, with lignre and 

 description of seeds inhabited by the larva of this moth, and description of 

 the plant bearing these seeds; vernacular names of the plant and insect; 

 transformations of the insect ; movements imparted by this insect to the seeds 

 containing it, and by Cynips saltatoriiis to the galls of the Cynips. 



