512 
KHYNCHOTA. 
Aphis amenticolaj p. 586, gerauii, p. 81, loti, p. 131, luzulce, p. 725, 
spp. nn., J, H. Kaltenbach, “ Die Planzenfeinde,” Germany. 
Pomphigus glandiformis, p. 247, tortuosus, p. 248, spp. nn., F. Rudow, 
Z. ges. Naturw. (2) xii., Mecklenburg. 
Stagona vesicalis, sp. n., id. 1. c. p. 248, Mecklenburg. 
Schizoneura passerinii, sp. n., V. Signoret, 1. c. p. ccii. near Paris. 
Phylloxera. 
Targioni-Tozzetti, a. Del Pidocchio o della Fillossera della Vite, e 
delle specie del genere Phylloxera in Europa e in America. Bull. 
Ent. Ital. vii. pp. 266-319, pi. i. 
After an introductory history, and an account of tlie spread of the 
insect in Europe, the author discusses the various generations of it, and 
the alUed species, describing at full length, with bibliographical refer- 
ences, synonymy, and exclusive synonymy, the diff erent stages of the 
following members of his“Tribu” Phylloxerites (= Dactylosphceridai, 
Shimer) : — 
Phylloxera florentina, sp. n., p. 287, pi. i. figs. 1-11, Florence, Pisa, on 
Quercus suber. 
Phylloxera quercus, Fonscol. (lichtensteini, Balb., and halhianii, 
Licht.). 
Phylloxera coccinea, Kalt., Amiot, Heyd., Hart. 
Phylloxera signoreti, sp. n., p. 302, figs. 20-22, Florence, Pisa, on Q. 
sessiliflora. 
Phylloxera corticalis, Kalt. (nec Licht.), fig. 14. 
Phylloxera spinulosa, sp. n., p. 308, figs. 12, 13, 15-19, Florence, Apuan 
Alps, on Q. cerris. 
Sixteen American species, headed by P. vastatrix, are also mentioned, 
with synonymy, after Riley ; and observations on some unknown or un- 
certain species, with a table giving the relative measurements of the 
bodies and appendages of 6 known species, in millimetres and decimal 
fractions of millimetres, conclude the work. 
Acanthochermes quercus, Kollar, is different from Phylloxera quercus, 
with which Signoret has associated it ; it may prove generically distinct, 
and is provisionally named “ Phylloxera acanthochermes, Kollar” [Lich- 
tenstein !]. P. scutifera. Sign., is probably identical with it. This in- 
sect associates Phylloxera rather with the Coccidce than the Aphididce. 
J. Lichtenstein, C. R. Ixxx. p. 386. , 
On the migrations of P. quercus from Quercus coccifera to Q. peduncu- 
lata, and on its different phases (12 forms, of which 5 are double, are re- 
cognized) ; id. 1. c. pp. 1302-1304. This species and P. coccinea, Heyden, 
differentiated, with observations on economy. They change from Quer- 
cus coccifera to Q. puhescens, and similar migratory habits in others of 
the genus are referred to. Id. op. cit. Ixxxi. pp. 527-529. 
Phylloxera rileyi, vastatrix, quercus, and halhianii. Observations on 
their economy ; an apterous brood, simultaneous with the winged one, 
has resulted in sexual pupae, which have produced winter eggs, both free 
and encysted. Id. op. cit. Ixxx. pp. 1223 & 1224. 
