472 



MoREiRA (C). Bicho do Cacdo. [The Cacao Worm.] — Chacaras e 

 Quintaes, Rio de Janeiro, xvi, no. 1, 15th July 1917, pp. 10-11, 1 fig. 



The caterpillars of the Pyralid, Myelois duplipiinctdla, Rag., infest 

 cacao in Brazil, causing the pods to wither at various stages of their 

 development. The eggs are deposited on the pods, into which the 

 newly hatched larvae bore, penetrating into the endocarp and 

 attacking the seeds. Pupation takes place in a white silk cocoon 

 wathin the pod and lasts from 12 to 16 days. This moth occurs at 

 least during the four months from June to October, the above observa- 

 tions being made during that period in 1910. The removal and 

 burning of all the infested pods in a plantation is the remedy advised. 



Contra o Bicho amarello das Raizes. [Againstthe Yellow Root Worm.] 

 • — Chacaras e Quintaes, Rio de Janeiro, xvi, no, 1, 15th July 1917, 

 p. 27, 1 fig. 



This popular note deals with the control of Elaterid larvae, which 

 are unidentified, but resemble those of Agriotes lineatus {segetis), 

 which is, however, smaller than this Brazilian species. 



Lima (A. da Costa). Informacoes praticas resumidas sobre a Lagarta 

 que ataca os Capulhos do Algodoeiro, especialmente destinadas aos 

 pequenos Cultivadores de Nordeste. [Brief practical Information 

 on the Caterpillar attacking Cotton Bolls specially intended for 

 small Growers of north-eastern Brazil.] — Chicaras e Quintaes, Rio 

 de Janeiro, xvi, no. 1, 15th July 1917, p. 17, 1 fig. 



This paper gives a popular account of Pectinophora (Gelechia) gossy- 

 piella (pinlc boll-worm), a recent introduction in Brazil. 



Pierce (W. D.). The Mexican Cotton Boll Weevil.— M«%. Bull Cal. 

 State Commiss. Hortic, Sacramento, vi, no. 7, July 1917, pp. 291- 

 295, 4 figs. 



The author urges the necessity of extreme watchfulness against the 

 introduction of Antlionomus grandis, Boh. (Mexican cotton boll weevil) 

 on cotton seed into the Imperial Valley. An account of the habits 

 and injury caused by the weevil is given. It is suggested that, as 

 exposed ground at a temperature of 123° F. is fatal to the larvae, the 

 rows should be planted in such a direction as to give the longest period 

 of sun-heat to the ground between. The most efficient external 

 parasites of the weevil are Microbracon mellitor, Say, Catolaccus 

 incertus, Ashm., C. hunteri, Crawf., Eurytoma iylodermatis, Ashm., 

 Cerambycobius cyaniceps, Ashm., Microdontomerus anthonomi, Crawf., 

 and Triaspis curculionis. Fitch. Eidoeivia globosa. Towns., is an 

 effective internal parasite of the larvae in moist districts, but is 

 useless in dry regions. Ants of the genera, Solenopsis, Pheidole and 

 Monomorium, as well as many birds, are predaceous enemies. Cultural 

 methods of control are described. Quarantine measures have largely 

 restricted the spread of the pest, and it is suggested that those at present 

 in force should be rendered more comprehensive and more stringent, 

 and that the shipment of wild cotton from anywhere should be 

 forbidden. 



