ArHlDID;E. COCCIDJK. 
Ins. 233 
secretion. Cf. Targioni-Tozzetti, 1. c. p. 240, on analysis of this sweet 
secretion and the possible influence of other Homoptera {T^jphlocyha) 
in producing it. 
Lachnus alleghejiiensis described and figured, in company with Fo7'- 
mica 7'7ifa, Pennsylvania ; H. C. McCook, Tr. Am. Ent. Soc. vi. pp. 274 
& 275, fig. 8. 
Phylloxera. 
Observations on. recent discoveries ; A. Targioni-Tozzetti, Bull. Ent. 
Ital. ix. (Resoc. Adun.) pp. 1-6. 
Review of memoirs by Targioni-Tozzetti and Balbiani, with expla- 
natory observations ; M. Girard, Pet. Nouv. ii. pp. 108 & 119. 
Jullien-Crosnier : “ Le Phylloxera ; etude sur la maladie de la vigne.” 
Orleans : 1877, 8vo, pi. 
In the Cognac district ; E. A. Fitch, Ent. x. p. 44. In Dept, of Loir- 
et-Cher ; Pelletier, Feuil. Nat. viii. p. 23. 
Notices in CR [where not otherwise specified, on destructive agents or 
remedies] Ixxxiv. : — Boiteau, pp. 21, 252, 1365, J. Maistre, p. 117, G. 
Fournet, p. 219, A. Rommier, p. 380, Report by Commission (Bouley & 
others), p. 428, Bouley, p. 537, P. Mouillefert, pp. 694, 1077, & 1367, F. 
Gueyraud, pp. 697 & 924, Azam, p. 755 (on spread in Dept, of La 
Gironde), V. Fatio, p. 918, M. Cornu, p. 921, Foez, p. 922. In vob 
Ixxxv. : — Joffroy, p. 25, Mouillefert, p. 29, G. Guillaume, p. 212 (exten- 
sion to Neuch^tel), H. Mares, p. 273, Laliman, p. 507 (an insect larva 
destroying Phylloxera : that of a Syi'phus ; Balbiani, ibid.), E. Pril- 
lieux, pp. 509 & 532 (extension to Vendome), J. Duplessis, p. 532 (in 
Dept. Loir-et-Cher), H. Mares, p. 564 (on its spontaneous disappearance), 
Boiteau, p. 932 (the winter egg is always external), p. 1096 (development 
of eggs of P. qhercm and P. vastatrix), Balbiani, p. 1203 (pointing out 
errors in preceding note), Duclaux, p. 1145 (summary of vineyards 
attacked in 1877), p. 1206 (progress in S. West France), A. Blankenhorn, 
p. 1147 (on the natural enemies), A. F. Marion, p. 1209. 
Mouillefert’s account of insecticides abstracted ; Nature, xv. p. 200. 
P.florentina and P. signoreti. A summary of recent observations; A. 
Tazzioni-Tozzeti, Bull. Ent. Ital. ix. pp. 236-239. 
Colopha, gj n., J. Monell, Canad. Ent. ix.p. 102. Antennae six-jointed, 
almost moniliform ; front wing with three discoidal cells, the cubital 
once-branched, hind-wings with one oblique vein. For Thelaxes ulmicola^ 
Walsh, = Byrsocrypta ulmicola, Fitch, not known in the winged state, 
and ? = Pemphigus ulmicola, Fitch. 
C0CCIDJ5. 
Coccus covering roots of Siforthia elegans, with a wool -like waxy secre- 
ion ; J. Kiinckel, Bull. Soc. Ent. Fr. (5) vii. p. cxxiii. 
? Aclerda suhteri'anea, Sign., from roots of cereals ; J. Lichtenstein, 
Bull. Soc. Ent. Fr. (5) vii. p. cviii. 
Fonscolomhia, g. n. For Coccus radicum-graminis, Fonsc., the “ grass- 
B 34 
