474 



Smith (H. S.), The Gipsy Moth and the Browntail Moth. — Mtldy. Bull. 

 Col. State Commiss. Hortic, Sacramento, vi, no. 7, July 1917, 

 pp. 311-316, 4 figs. 



The history of Lymantria dispar and Euproctis chrysorrhoea in North 

 America is described, with the usual control measures and notes on 

 the life-histories and habits. While these pests are frequently taken 

 on shipments of nursery stock to California, they have never been 

 allowed to penetrate into the State. 



Hecke (G. H.). The Mediterranean Fruit-Fly. — Mthly. Bull. Cal. 

 State Commits. Hortic, Sacramento, vi. no. 7, July 1917, 

 pp. 316-318, 3 figs. 



This paper gives brief notes on the life-history and habits of 

 Ceratitis cnpitata (Mediterranean fruit-fly), against which there are 

 stringent quarantine regulations in California. 



Maskew (F.). Quarantine Division. Report for the Month of April 



1917. — Mthly. Bull. Cal. State Commiss. Hortic, Sacramento, vi, 

 no. 7, July 1917, pp. 321-322. 



The following pests were intercepted : -From China : weevil larvae 

 in sweet potatoes. From Japan : Aleurodes sp. on gardenia ; 

 Chionaspis wisteriae, on wistaria ; Pseudococcus sp. on azaleas ; 

 Gymnosporangium japonicum on Juniperus procumbens ; weevil larvae 

 in sweet potatoes. From Connecticut : Pseudococcus sp. and Aphis s]). 

 on greenhouse plants. From Costa Rica : Pseudococcus sp. on orchids. 

 From Hawaiian Islands : Diaspis bromeliae and Pseudococcus hrome- 

 lifie on pineapples ; Coccus lonqulus on betel leaves ; Pseudococcus sp. 

 on green coconuts ; Trypetid larvae in coffee berries. From Manila : 

 Pseudococcus sp. on rubber plants ; larvae of borers in orchids. 

 From Massachusetts : Diaspis boisduvali, on orchids. From New 

 South Wales : Calandra sp. in maize. From Pennsylvania : 

 Chrysomphalus aonidum on Ficus sp. ; Saissetia oleae on ornamental 

 plants. From Tahiti : Morganella maskelli on oranges ; mites and 

 Lepidopterous larvae in Tahitian chestnuts. From Venezuela : 

 Diaspis boisduvali and Isosoma orchidearum, on orchids. From 

 Florida : Lepidosaphes beckii and Phomopsis citri on grapefruit. From 

 Mexico : Heliothis (Chloridea) obsoleta on tomatoes. From Ohio : 

 Aleurodes sp. on hibiscus and on jasmine. From Washington : 

 Fusarium and Rhizoctonia on potatoes. From New York : Aspidiotus 

 sp., Pseudococcus sp. and Aleurodes sp. on jasmine. From Panama : 

 larvae of Musca sp. in potatoes. 



Froggatt (W. W.). Insects and Prickly Pear. — Agric. Gaz. N.S.W., 

 Sydney, xxviii, no. 6, June 1917, pp. 417-426, 4 figs. [Received 

 23rd August 1917.] 



The chief insect living on the prickly pear {Opuntia sp.) 

 is the cochineal insect, Dactylopius coccus {Coccus cacti), for the sake 

 of which the plant was cultivated in Europe from the time when the 

 Spaniards found the Incas cultivating it in Mexico in 1578 until the 

 introduction of aniline dyes. Many attempts were made to introduce 



