109 



Ballou (H. a.) Report on the Prevalence of some Pesls and Diseases 

 in the West Indies during 1915, Part I, Insect Pests.— UVsf Indian 

 Bull, Barbados, xvi, no. 1, 1916, pp. 1-30. [Received 22ad 

 December 1916.J 



This report is compiled from the reports of the principal agricultural 

 officers. The entomologist visited Grenada in February and March 

 to study the conditions which influence the outbreaks of the cacao 

 thrips, Heliothrips nibrocinctus [see this Review, Ser. A, iii, p. 582]. 



The following insect pests are recorded : — On sugar-cane : Diatmea 

 sacchamlis (moth borer), Metamasius {Sphenophorus) sericeus (weevil 

 borer), Diapre]:es {Exophthahmis) esuriens (root borer), Lachnosterna 

 palruelis, Ligyrus tumulosvs and Stratecjns titanus (hard back grubs), 

 and termites. 



On cotton : Alabania unjillacea (cotton worm), Heliothis ohsoleta 

 (boll worm), cotton stainers, Saisselia nigra (black scale), Hemichion- 

 aspis minor (white scale), Contarinia gossyjni (flower-bud maggot), 

 Eriophijes gossgpii (leaf blister mite), Colaspis fastidiosa- (bronze beetle), 

 Periplaneta auslralasiae (common cockroach) and Gryllus assimilis 

 (common field cricket). 



On cacao : Heliothrips rubrocinctus, Steirasto)na depressnm, scale- 

 insects, termites, and the acrobat ant [Crenmslogaster sp]. 



On citrus : Coccus viridis (green scale), Lepidosaphes beckii (purple 

 scale), Ckionos'pis citri (white scale), Leptostylus praemorsus (bark 

 borer), Elapliidion mite (twig borer), Diaprepes, Lachnopiis spp. and 

 grasshoppers. 



On sweet potatoes : Euscepes (Crgptorrhgnchus) batatae (scarabee), 

 Protoparce cingulala, and Tetranychus tekirius (red spider). 



On ground-nuts : Scale-insects, woolly pyrol moth [Anticarsia 

 gemmatalis], and Diaprepes esuriens. 



On coconuts : Aleurodicus cocois (whitefly), Aspidiotus destructor, 

 and Rhynchophorus palnmrum. 



On maize : H. obsoleta (corn-ear worm), Laphygma frugiperda, 

 Lachnosterna patruelis, Diatraea saccharulis, Aphids and a Geometrid 

 caterpillar. 



On onions : Prodenia sp. and Thrips tabaci. 



On yams : Aspidiotus hartii. 



Miscellaneous pests included : — Anticarsia gemmatalis, Cryptorrhyn- 

 cus sp. [Stgracopus phaseoli, Mshl.] and Eudamus proteus on lima 

 beans, Calpodes eiJilins (arrowToot worm), and the Longicorn, 

 Batocera rubus, on mango, avocado pear, papaw, banana, hog plum, 

 Ficus and Ochroma lagopus. 



The natural enemies of injurious insects include a predaceous thrips 

 attacking the eggs of the cotton stainer, Dysdercus delauneyi ; Pro- 

 phanurus alecto parasitising the eggs of Diatraea saccharalis ; Polistes 

 crinitus and P. annidaris. 



A table showing the distribution of these insect pests in the various 

 islands is appended. 



Harland (S. C). Notes on Resistance to Cotton-leaf Blister Mite 

 with special Reference to Budded Cottons and to Cotton Hybrids. 

 — West Indian Bull., Barbados, xvi, no. 1, 1916, pp. 78-82. 



The leaf blister mite, Eriopihyes gossypii, Bks., attacks all parts of 



