MaskELL.—On some Coccidæ in New Zealand. 217 
The general characteristics of the group are as follows :—the females are 
of all shapes and colours, usually covered with a mass, more or less thick, 
of cottony or waxy secretion, but not, as a rule, enveloped in glassy tests like 
the Lecanio-diaspide. The mentum differs from that of the Lecanide in 
being bi- or tri-articulate. The abdominal lobes of Lecanium are absent, and 
the posterior end is not cleft; but the body ends in two protuberances, 
more or less developed and prominent, which I shall call the ** anal tubereles.”’ 
These tubercles usually terminate in fine hairs, sometimes long, sometimes 
short. The tubercles are not always easily detected, but close examination 
reveals them. The segments of the body are much more visible than in the 
Lecanide, and the insect has altogether a more woolly appearance. In 
some genera the female envelopes herself in a cottony sac, white or yellow. 
The males are not uncommon; but I have not been able to procure 
many specimens. They do not greatly differ from those of the Lecanide, 
but in my specimens the abdominal spike is accompanied by a shorter 
curved spike at the side. 
The subdivisions of this group to which my specimens belong are :— 
1. Acanthococcus, of which I have specimens from the common broom 
plant and from Budlaa. 
2. Eriococcus, from the Norfolk Island Pine. 
8. Dactylopius, from Rubus australis, Pittosporum, Calceolaria and 
other plants. | 
4. Icerya, from the Kangaroo Acacia. 
All these contain species known in Europe, from which mine, I believe, 
differ, 
I. Acaxrnmococcus, Signoret. 
The subdivision is characterised by an elongated sae, usually brownish . 
yellow, enveloping the female, by the prominence of the anal tubercles, and 
by the number of rows of conical spines distributed over the body. One 
species is known in Europe. I give to my specimen the name o 
Acanthococcus multispinus, sp. nov.(?) 
Plate VIIL, fig. 18. 
The sac, fig. 18a, is dull yellow, nearly cylindrical, one end closed with 
a curve, the other open. It is composed of interlacing cottony fibres. The 
female insect, fig. 18b, is of an elongated oval form, the widest part being 
near the posterior end. It is dull pink in colour, covered thinly with whitish 
meal. The segments of the body are not very distinct. The anal tubercles 
are plainly visible, and between them is a pencil of white meal glueing 
together the long hairs of the anal ring. 
After mounting for the microscope and expressing the interior substance, 
the insect is seen, as in fig. 18c, to have several rows of large conical spines, 
X 
