94 ' MISCELLANEOUS PAPERS. 



and other Brazilian ferns, in the botanic gardens at Rio de Janeiro; 

 and the same species has been reported on Oleander articulata aiid 

 Pteris quadriolata, in the Fern House, Kew Gardens, in EngJand. 

 Aleyrodes aspleni Masliell occurs on Asplenium Idcidtim and other 

 ferns in New Zealand, though whether in conservatories or not is not 

 indicated. Aleyrodes c'ttri Riley and Howard is fairly common on 

 citrus plants in greenhouses, though rarely troublesome. In Florida 

 A. rolf-sil Quaintance infests geranium in injurious numbers out of 

 doors, and might become a pest to this plant in greenhouses if there 

 introduced. 



RuBus spp. — Aleyrodes ruhoruni Cockerell seriously infests a cul- 

 tivated Eiihus, B. frivicdls, in Florida, and occurs scatteringly on a 

 wild blackberry, R. cuneifolius. In France, Signoret found a species 

 occurring in numbers on R. frutieosus^ which he described as ^1. ruhi^ 

 and in England A. rnhlcola has been described by Douglas, infesting 

 a Ruhus groAving in a sheltered situation. 



Currant. — Aleyrodes rihium Douglas occurs on red and black cur- 

 rants in England. This is possibly the same species which infests 

 Vaccinium uliginosum in Germany. 



Prunus spp. — Peaches and plums are at times infested with Aley- 

 rodes pergandei Quaintance, the only aleyrodid recorded from these 

 plants. It also occurs on Crataegus and Avild crab-apple, though it 

 is never injurious so far as yet reported. 



Fig. — No aleyroclids are recorded from the cultivated fig, Fiens- 

 eariea^ but in India Aleyrodes aleoeki Peal occurs very abundantly, 

 especially after the rainy season, on young j^lants of Ficus indica 

 and F. religiosa. These plants, from the fact that the}^ take root on 

 old buildings and similar situations, become a nuisance, and the in- 

 sects are therefore regarded as beneficial by Mr. Peal, who expresses 

 regret that the pupa^ are so badly parasitized by a small yellow chal- 

 cidid fly. 



Bamboo. — Various species of bamboo in the vicinity of Calcutta 

 are infested with Aleyrodes hamhustv Peal. Ks a rule, according to 

 Mr. Peal, only a few leaves in a bamboo clump are attacked, but the 

 insect sometimes occurs in large numbers, killing the leaves. 



Indigo. — Aleyrodes leakii Peal occurs on Indigo f era tlnctoria and 

 /. arrecta, Behar, India, being more common on the latter plant. 

 Need for its control is considered likely with the increased cultiva- 

 tion of these plants for commercial purposes. 



Betel. — Piper hetle, a pepper, the leaves of which are chewed by 

 natives of Eastern countries with the betel nut, is attacked in Bakar- 

 ganj, India, by Aleyrodes m/hilans of Buckton, by whom it is re- 

 ported as doing considerable injury. 



Grape. — An undetermined Aleyrodes has recently been received on 

 vinifera grape from Fred. W. Maskew, Marysville, Cal. 



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