74 
plants had been tended and doctored, comparatively so few insects 
were to be found. With the exception of three or four common 
greenhouse pests, which it is practically impossible to eradicate 
from any conservatory, the species observed were the result of 
— diligent search, and were represented by few individuals 
Ay ; : 
1 append a list of the species taken on this occasion. 
1. Lecanium tessellatum, Sign. 
Commonly on various palms. ‘Alo on Tabernaemontana sp., 
Ardisia humilis and Ochna pumila 
2. Lecanium panty Teen Targ. 
On Carissa sp. and Rheedia 
Lecanium longulum, Dow 
On Monodora, sp., Treculia, Carissa, and “xcoecaria discolor. 
4. Lecanium oleae, Bern. 
On Erythrina sp. 
Lecanium nigrum, (?) var. depressum, 7 arg. 
a bentandy on Musa. More rarely on Tecesialeytiie Mala- 
cantha, and Ficus s 
These examples have all the microscopical characters of typical 
nigrum, but have a different external fascies, being of a dull 
brown colour and less strongly convex than the type. 
6. Lecanium signiferum, Green. 
On Polypodium aurem. 
This insect has hitherto been recorded from Ceylon and India 
only. It is eee that it may be—as suggested by Sanders— 
a varietal form o Hen! frei, but, if so, its very character- 
istic colour patt (gre en or olivaceous, with strongly-marked 
purplish or Tleskseh ongitudinal stripe and double transverse 
bands) make it deserving of a distinct name. 
is pire floccifera, Westw. 
On Cor 
A common Tet house pest, affecting more particularly orchids 
of many kinds. 
8. Pseudococcus longispinus, 7arg. 
his appears to be the most widely distributed Coccid in the 
Kew houses, ‘Ainiom ngst numerous other plants I noted its occur- 
ence on Musa, Cycas, Euphorbia, and Cotyledon pringlet. 
9. Pseudococcus citri, Hisso. 
This usually common SE, aremebesd pest was noticed only on 
Solandra and a species of Euphorbia 
10. Pseudococcus nipae, Mask. 
Rather commonly on various palms; more icularly on 
Cocos, Sn a and Sabal. Oe ion 
This interesting species has not previously been recorded fr 
the British Isles. Mr. Fryer sent me examples, a few months 
