807 A. E. Verrill—The Bermuda Islands. 395 
and unite with the sheath-like or tubular secretion of the under 
side to form a continuous egg-sac, truncate and closed posteriorly, 
grooved on the upper side ; legs and antenne dark brown or black- 
ish. Length, 3™™. 
It occurs in the West Indies and South America, and in green- 
houses in the United States and Europe, feeding on Coleus and vari- 
ous other herbaceous plants. 
Broad Scale. (Lecanium hesperidum (.) Figures 181a@; 184, a. 
This species was taken by us in 1901 on a species of Hibiscus, 
used as hedges. Mr. Geo. A. Bishop states that it is not only injuri- 
ous to hibiscus, but infests oranges and other citrus fruits, and the 
galba. It is liable to attack a great variety of trees, and is very 
widely diffused. 
18la 1816 
Figure 18la.—Broad Scale (L. hesperidum), on orange tree; nat. size. Figure 
181b.—Hemispherical Scale, on orange tree, nat. size, and a, enlarged. 
Both after Comstock. 
Black Scale; Olive Scale. (Lecanium olee Bern.) Figure 181. 
This scale is very injurious to the olive and orange, etc. Accord- 
ing to the notes of Mr. Geo. A. Bishop, it also infests oleander and 
Hibiscus. It is liable to attack many other plants, as pear, apple, 
apricot, plum, pomegranate, palms, coffee, rose, jasmine, etc. 
Hemispherical Scale. (Lecanium hemisphericum Varg.; Comstock, 
Ann. Rep. Ent. for 1880, p. 334, pl. viii, figs. 3, 3a; Man. Ent., 
» 171, fig. 211=Saissetia hemisphericum.) Figure 1810. 
5) te) fo) 
This large, smooth scale-insect was found by us on the leaves of 
the cycad (Cycas revoluta), oleander, hibiscus, ete. In California it 
has been found to attack the orange. It is also common on various 
greenhouse plants. 
