330 A. BERLESE E 6. LEONARDI i 
cioè per la mancanza dei dischi ciripari, convenendo nel rimanente col 
genere Chrysomphalus. 
A questo gruppo, istituito per là Aonidiella Aurantii, appartiene 
anche la specie che descriveremo cioè |’ Aspilliotus perniciosus degli autori. 
VII. Aonidiella perniciosa (Comst.) Berl. et Leon. 
Aspidiotus perniciosus ComStock, vot Commr. "spire 1850, pp. 304 
1 XII; fig. 7 
« « Cooke Shitoic, 'Trentise on insects injurious te 
fruit and fruit trees, 1851, pag. 
« « Chapin S. F., pata in) Report Commr. Agricul 
1832, pp. 207-203. 
wi, « Cooke Ni: Note in) Report Commr. Agricul-. + 
ure, 1832; pp. 65, 208. 
7 « « « Insects infatigia to the orchard, 
vineyard, ete., 1988, pp. 60-63, fig: 
15-21. 
n « Comstock, Second Report, 1833, pag. 6 
bh « Chapin $S. F., Discussion at Third Nani Fruit Gro- 
wers Convention, November, 1883 
i tate Board 
ticulture. Report California iena 
rd of Horticulture, 1834, pp. 2: 
34, 35, 42. (Decembre 31, 1834). 
« « Targioni-Tozzetti, Annali di agricoltura, ra, 1884. 
a « Klee W. G., Report of the California State Board 
of Horticulture, 1885-86, 1837, PP 
: 76, PI. L 
$ « « « « Insects preying on scale insects. He 
port as Inspector of Fruit Pests S 
Report California State d 
Horticulture, 1885-83 (1887), pag. 404 
- « « « ‘« Messr. Hatch, Buck, Block, et al. — 
Report California State Board ot 
Horticalture, 1835-86 (1887). (Diseu 
sion at Sixth ppt State F pu 
Growers- Convention). 
ta M Boggs W. M., Report as Inspector of Fruit Pests 
(to April 15, 1886). Report x 
fornia State Board of Hortieulture, 
1885-86 (1887), p. 12. 
