199 



Granato (L.). Cultura do Algodoeiro. [Cotton Cultivation.] — 

 Sao Paulo, 1918, 29 pp. [Received 2nd March 1920.] 

 This booklet gives practical instructions for the use of Brazilian 

 cotton growers. Among the insect pests mentioned are Anthonomus 

 sp. and the pinli bollworm [Pectinojihora gossyjnelld]. 



ScHENK (P. J.). Cursus in Plantenziektenleer, 1919-1920. [A Course 

 on Plant diseases, 1919-1920.] — Drukkerij Floraha, Assen, 32 pp. 

 [Received 4th March 1920.] 



This course of instruction, which originally appeared as a series of 

 articles in the journal Floralia in 1919, is intended for fruit and vege- 

 table growers and includes notes on the various insect pests that are met 

 with in Holland. Among the species dealt with are : — Elaterid beetles, 

 the larvae of which may be collected by means of baits ; Agrilus 

 sinuatus, a Hymenopte ous parasite of which has been recently 

 discovered ; Anthonomus pomorum, an attempt to combat which is 

 being made with a Hymenopterous parasite that also attacks Pontania 

 proxima, a sa'w^y infesting Salix amygdalina ; Cheimatohia bruniata, 

 infestation by which is checked by banding ; Cydia pomonella (codling 

 moth) and the sawfly, Hojjlocamjja testudinea, which are combated by 

 stomach poisons and banding ; Cydia (GrapJiolitha) nigricana and 

 C. (G.) dor Sana infesting peas — the remedy advised being early sowing 

 and the avoidance of fresh stable manure ; Incurvaria capitella, which 

 attacks red, white and black currants and is combated with an 8 per 

 cent, solution of carboUneum ; Pteronus ribesii {Nematus ventricosus), 

 which attacks gooseberries and is usually combated with a stomach 

 poison ; the larvae of Eriocampoides spp., which are best killed by 

 means of a poison in dust form ; Phorbia {Chortophila) brassicae, 

 causing serious injury to cabbages and cauliflowers that may be 

 prevented by fitting the plants with collars. 



The Aphids dealt with include Eriosoma {Schizoneiira) ulmi, 

 the winged generation of which migrates in July and August to currant 

 and gooseberry and is known as E. grossulariae ; Aphis rumicis (bean 

 aphis) ; A. pomi {mali) (green apple aphis) ; A. sorbi ; A. pruni ; 

 Bhopalosiphum ribis ; Myzus ribis ; and Eriosoma {Schizoneura) 

 lanigerum. 



Lepidosaphes ulmi is the chief injurious Coccid ; spraying with 7*5 

 per cent, carbolineum is advised against it. Kakothrips pisivora 

 {Thrips robust us) injures the leaves and pods of beans and peas ; early 

 sowing and a double apphcation of a contact poison are advised. Both 

 the mites, Bryobia pretiosa (ribis), infesting gooseberry bushes, and 

 Paratetranychus (Tetranychus) aUhaeae, attacking apple, may be 

 checked by spraying with 7*5 per cent, of carboUneum. Eriophyes 

 ribis attacks black currant and E. avellanae hazel. Against Tylenchus 

 devastatrix and other Nematodes the only known remedy consists in 

 destroying infested plants and in practising crop rotation. 



■^ I 



Strand (E.). Eine neue Tortricide aus Kiautschou (Lep.). [A new 



Tortricid from Kiaochow.]. — Entom. Mitt., Berlin, ix, no. 1-3, 



19th February 1920, pp. 30-32, 1 fig. 



A description is given of Rhyacionia {Evetria) vorana, sp. n,, a 



Tortricid pest of pinesg 



