143 



state and after the ear has formed ; these include Cirphis {Leucania) 

 unipuncta. Haw., which can be controlled by trenches dug round the 

 plots or by the application of insecticides such as Paris green. The 

 larva of a beetle, Diloboderus abderus, Burm., feeds on the roots of 

 wheat and other plants and should be destroyed by deep cultivation 

 of the fields, while sowing should be done at the most favourable time 

 to allow the plants every opportunity for vigorous growth. 



The stored grain is attacked by the moth, Sitotroga cerealelh, 01., the 

 weevil, Calandra granaria, L., and the beetle, Tenebroides {Trogosita) 

 mauritanicus, L., as well as other insects. 



Osservatorio Autonomo di FiiopatJiologia, Turin, Mthly. Leaflets, 

 nos, 1-12, January-December 1917, 48 pp. 



These leaflets for 1917 are similar to those for the preceding year 

 [see this Review, Ser. A, v, p. 180]. 



Among the injurious insects recorded are the following : — 

 Lepidoptera : Argyroploce {Grapholitha) variegana on cherry ; Aegeria 

 (Sesia) apiformis and A. {S.) asiliformis on poplar ; Cydia (Carpocopsa) 

 pomonella on apple and pear ; Cydia (Grapholitha) funebrana on prune 

 and plum ; Cossus cossus, L., on poplar and apple ; Clysia {Conchylis) 

 ambiguella on vine ; Cydia [Carpocapsa) spJendana on walnut ; 

 Cnethocampa pityocampa, Schiff., on pine ; Hyponomeuta malineUiis 

 on apple ; Barathra {Mamestra) brassicae on cabbage ; Nygmia 

 pJioeorrhoea {Euproctis chrysorrhoea) on chestnut, pear and peach ; 

 Polychrosis botrana on vine ; Pieris brassicae on cabbage ; and Zeuzera 

 jyyrina [aesculi) on apple. 



Coleoptera : Agriotes lineatns on lettuce ; Anthonomus pomorum on 

 pear ; Ceuthorrhynchus sidcicollis, Payk., on cabbage ; Crioceris asparagi 

 on asparagus ; Hylesinus fraxini in cherry ; Hylobius abietis in pine ; 

 Hallica oleracea on cabbage ; Galeruca luteola {xanthomelaena) on elm ; 

 Phloeosinus thujae in thuja ; Byctiscus betulae {Rhynchifes betuleti) on 

 vine ; Tychea setariae on endive ; and Xyleborus dispar in apple. 



Hymenoptera : Eriocampoides (Caliroa) Umacina and Hoplocampa 

 brevis, Klug, on pear. 



Rhynchota : AleurocJiiton aceris, Geof., on plane; Stephanitis {Tingis) 

 pyri on pear and Japanese medlar. Coccidae : Aulacaspis rosae on 

 rose ; Aonidia lauri on laurel ; Aulacaspis pentagona on jasmine, lilac, 

 mulberry, mimosa, peach, geranium, pelargonium, Kentia, oleander, 

 hazel and catalpa ; Aspidiotus hederae {nerii) on oleander, Aucuba 

 japonica and palm ; Ceroptlastes rusci on fig ; C. sifiensis on orange ; 

 Chrysomphalus dictyospermi var. pinnulifera on camelKa ; Coccus 

 hesperidum on lemon ; Coccus {Lecanium) elongatus on laurel ; 

 Epidiaspis piricola on pear ; Eulecanium {Lecanium) persicae on lemon ; 

 Lepidosaphes idmi {Mytilaspis pomorum) on pear and hawthorn ; 

 Puhinaria vitis on vine ; Pulvinaria camelicola on camellia ; and 

 Saissetia oleae on olive. Aphidae : Aphis persicae on peach ; A. ribis 

 on currant ; A. rosae on rose ; A. brassicae on cabbage ; A. piraria 

 on pear ; A. fabae on beans ; Chermes strobi on Pinus strobus ; Hya- 

 lopterus arundinis (pruni) on prune ; Eriosoma {Schizoneura) lanigerum 

 on apple and elm ; and Toxoptera aurantii on camellia. 



Diptera : Acidia heraclei on celery ; Conlarinia pyrivora on pear ; 

 Oscinella {Oscinis) frit on corn ; Platyparea poeciloptera on asparagus ; 



