277 



Though it has a wide distribution in the tropics, evidence points 

 to Cuba as the source of introduction into the United States and 

 that this originally occurred prior to 1875. Some localities erroneously- 

 attributed to this species refer to C. turcipennis, Boh., from India, 

 Java and Borneo, which has similar habits, and another related 

 species C. femoralis, Faust, infests sweet potatoes in Liberia. 



Dudley (F. H.). Four of the most injurious Corn Pests. — Bull. Maine 

 Dept. Agric, Avgusta, xviii, no. 1, March 1919, pp. 27-30. 

 [Received 7th May 1919. J 



Important Lepidopterous pests of maize include : — Pyrausta tmbilalis 

 (European corn borer) which has become a serious problem in 

 Massachusetts [see this Review, Ser, A, vii, p. 224] ; Heliothis obsoleta, 

 F. (corn ear -worm) ; Papaipema nebris {nitela) (corn-stalk borer), 

 which feeds in the spring on grasses and weeds and later attacks 

 maize and potatoes, usually about July ; there is only one brood 

 a year and the eggs are generally laid in the grass lands in the autumn 

 and hatch the following spring ; to control it all grass adjoining maize 

 fields should be mown and immediately burnt ; and Estigmene acraea 

 (salt-marsh caterpillar), which by feeding on the silk of maize prevents 

 pollination of the ears ; other food-plants include various garden 

 vegetables and weeds ; hand-picking is recommended as a remedial 

 measure. 



Sasscer (E. R.). Important Foreign Insect Pests collected on imported 

 Nursery Stock in 1918. — Jl. Econ. Entom., Concord, N.H., xii, no. 

 2, April 1919, pp. 133-136. 



The insects collected from nursery stock offered for entry into the 

 United States during 1918 included: — Pectinophora gossypiella, 

 Saund. (pink bollworm) on cotton from Brazil ; Acronycfa rumicis, L. 

 (sorrel cutworm), in the pupal stage on miscellaneous plants from 

 France ; caterpillars of Diurnea {Chimabacche) fagella, F., on rhodo- 

 dendrons from Holland and reported to be injurious in Ireland to 

 the foliage of oak, beech and birch ; larvae of Arctornis chrysorrJioea, 

 L. {Porthesia similis, Fuessl.) (gold-tail moth) on Japanese maple 

 from Holland and on Cerasus avium from France ; 194 nests of the 

 butterfly, Aporia crataegi, L., on decidrous fruit-tree seedlings from 

 France ; Gracilaria zachrysa, Meyr. (azalea leaf-miner) on azaleas from 

 Holland ; Nygmia phaeorrhoea, Don. {Euproctis chrysorrhoea, auctt.) 

 (brown-tail moth) and Porihetria dispar, L. (gipsy moth) on miscel- 

 laneous plants from France ; the Syrphid flies, Eumerus strigalus, 

 Fall., and Merodon equestris, F., in narcissus bulbs from Holland, 

 the former having been known to destroy a whole crop of onions ; 

 dead adults of Anthonomus rectirosiris, L., in seeds of the wild cherry 

 {Cerasus avium) from France ; Rhabdocnemis {Sphenophorus) obscura, 

 Boisd., in sugar-cane from the Hawaiian Islands ; an undescribed 

 species of Conotrachelus and an unrecognised Stenoma in avocado 

 seeds from Guatemala. 



The most important scale-insects intercepted were Eulecanium 

 {Lecanium) persicae (European peach scale) on Fontanesia and Berberis 

 purpurea from France and on peach from England ; an undescribed 



