SCALE-INSECTS. Lit 
INDEX OF PLANTS AND THE COCCIDIDA 
ING THEM. 
Tus list is of course only approximate, as insects may at any 
time be found on other trees than those given. 
Icerya Purchasi 1s omnivorous, and it has not been thought 
necessary to repeat it here against every plant in the Lis 
it has been set against some. 
The adult female of Celostoma zelandicum may also be 
found wanderimg over numbers of native trees in forests. 
In hothouses and greenhouses all sorts of plants are liable 
to attack. 
ATTACK- 
Cs Dut 
Plants. 
Alsophila Colensoi co) es aA 
Apple 
Insects. 
Lecanium mori.* 
Mytilaspis pomorum. 
Dactylopius glaucus.” i 
Apricot ats a6 ae .. Mytilaspis pomorum. t 
PAS Ken ai pomorum. { 
Asplenium bulbiferum (fern) Chionaspis dubia.* + 
E lucidum i dubia.* + 
Astelia Cunninghami 
” “ - o. . oe 
Mytilaspis cordylinidis.* 
7 epiphytidis. 
Fiorinia astelie.* ¢ 
my stricta. 
Pseudococcus astelix. 
Aspidiotus atherosperme. 
Mytilaspis pyriformis.* 
Fiorinia astelice.* 
Ctenochiton viridis.* + 
Inglisia patella. 
iy ae ae .. Hriochiton spinosus. 
.. Lecanium maculatum.” + { 
ed » hesperidum. aie 
.. Fiorinia minima. 
Ctenochiton flavus. 
uw" “ 
“ “ oad . o- o. 
Atherosperma Nove-Zelandiz .. ne 
wu “ oe - ee 
Bay ardia Oi 
lefor2 Mae 
Brachyg! ottis ‘yepanda 
“" u" ee oe 
F 7 os ae a fuscus.”* + 
Budleia salicina .. Sc aa a ‘ Aspidiotus budleeize. 
Calceolaria .. ‘ “ ee Dactylopius calceolariz.* + { 
Camellia .. es oi ate Aspidiotus camelliee. 
e : 2 é Lecanium hemisphericum.* | } 
7 3 5 5 as yp hesperidum.* + t 
- ze ord ss tr ae ae i ole. * t f 
a ae ee -- Pulvinaria camellicola.* + t 
. Aspidiotus carpodeti. 
-. Lecanium olex.*+ t 
.. Rbhizococcus celmisice.* 
-. Aspidiotus nerii. 
Mytilaspis pyriformis.* 
Chionaspis dubia. 
” Be #2 die a Ss .. Fiorinia asteliz.* 
Ctenochiton perforatus.* ¢ 
Carpodetus serratus aL 
Cassinia ee aa (tauhine) oe 
Celmisia ot si 
Coprosma 
u - . -—* * “+ oe 
a7) oe * “* . 
* Unsightly: spoiling appearance of plant. 
+ Usually accompanied by much black fungus. 
' } Likely to do much injury to plant, 
