PSYLLIDiE. 
Ins, 289 
I. Liviin^ : Livia^ Latr. (= Diraigliia^ 111.) 
II. Aphalarin^ : Euphyllura, RMnocola, and Aphalara, Forst., and 
Psyllopsis, Low. 
III. PsYLLiN^: Calophya^ Low, and Psylla (auct.), Low, restr., Spa- 
nioneuray Forst., AmhlyrrMna and Diaphora, Low, Livillay 
Curtis, Arytcena, Scott, Floria and AUosonuray Low, and Homo- 
tomay Gu^r. (= Anisostropha, Forst.). 
IV. Triozin.® : Triozay Forst., and Bactericeray Put. 
Arytmna, Scott, and Psylla, Linn. (Low, restr.), are recharacterized 
and details figured, pp. 697 & 600; pi. ix. fig. 11 & 12, 16-20. 
Ormerod, E. a. Notes on leaf-galls on Parinarium curatelUfolium 
. Ent. M. M. XV. pp. 97-99. 
Two species of galls on the leaves of this African tree, are described 
and figured, one belonging to the Chalcididce, and another probably to 
the PsylUdoi. 
C. G. Thomson’s conclusions on various questions of synonymy and 
determination relative to Scandinavian Psyllidm criticised ; J. W. 
Douglas, Ent. M. M. xv. pp. 41 & 42. 
New galls produced by Psyllidce on AcMlloea moschata and Cardamine 
sylvatica noticed ; F. Thomas, Z. ges. Nat. li. p. 706. 
Psylla rhamnicola. Nymph described ; J. Scott, Ent. M. M. xv. pp. 67 
& 68 . . ' 
Psylla succincta. J. W. Douglas calls attention to this species as 
likely to occur in Britaiil, and quotes Heeger’s account of its habits ; op. 
cit pp. 68 & 69. 
Trioza centranthi, Vallot (= neilreichi, Frauenf.), described in all 
stages, with full notice of habits, parasites, &c. ; E. AndiA, Ann. Soc. Eut. 
Fr. (5) viii. pp. 77-86, pi. i. 
Trioza galii of Forster and of Floi* appear to be distinct ; J. W. 
Douglas, 1. c. pp. 92 & 93. 
New genera and species 
Psyllopsis, F. Low, Verb. z.-b. Wien, xxviii. p. 687, pi. ix. figs. 1-6. 
Allied to Aphalara, head bent obliquely downwards, pronotutn erected 
vertically above, and mesothorax very convex, giving them a compressed 
appearance ; types, Psylla fraxinicold, Forst., fraxini, Linn., and dis~ 
crepanSy Flor. 
Floria, id. 1. c. p. 690, pi. ix. figs. 6-8. Allied to A rytmna. Back 
smooth, frontal tubercle horizontally projecting, fore wings rather nar- 
row, and antennae long and very slender ; types, Psylla pyrenma. Mink, 
spartiisuga, Put., vittipennella, Eeut., and spectahilis, Flor. 
Allceoneura, id. 1. c. p. 694, pi. ix. figs. 6, 7, & 10. Allied to Floria, 
but differs in the shape and neuration of the wings ; type, Arylmna 
radiata'y Forster. 
Calophya, id. L c. p. 698, pi. ix. figs. 13 & 14. Allied to Psylla (r6str.)j 
head much depressed, back convex, and first margiiial cell extremely 
large ; type, Psylla rhois, Low. 
Ambly [r]rhina, id. 1. c. p. 699, pi. ix. fig. 16. Allied to Spanioneura, 
1878 . [voL. XV.] B 38 
