ECONOMIC ZOOLOGY — ENTOMOLOGY. 857 



from 1 to 2 lbs. of honey per day." During July and August one of the hives 

 gathered 203 lbs. of honey. 



While the native mangoes, with one exception, are comparatively free from 

 insect infestation some of the imported varieties appear to be seriously attaclced 

 by the fruit fly (Anastrepha acidiisa). This fly is very partial to the Cam- 

 bodiana, practically ruining this variety, it being almost impossible to find a 

 ripe mango that does not contain from 2 to 5 maggots. Upon completing their 

 development the maggots pass into the ground to a depth of 1 to li in. where 

 they pupate in about 24 hours, the pupal period lasting from 13 to 16 days. 



A small white scale, which occurs in India, was found on the trunks and 

 large branches of the mango but does not seem to spread rapidly in Porto Rico. 

 At Mayaguez this scale has been found parasitized by the common black fungus, 

 occurring on the white scale of the orange, and a brown fungus which is found 

 on the purple scale in the mountains. Thrips are said to be plentiful on some 

 varieties of mangoes, especially those infested by the fruit fly. 



Reports of entomological department, A. E. Stene et al. (Ann. Rpt. Bd. 

 Agr. R. I., Ent. Dcpt., 26 (1910), pp. Jf0+ll+S9, pis. 7, figs. 2/).— The several 

 parts of this report deal with nursery inspection, insect notes, report of apiary 

 inspection, the gipsy and brown-tail moth situation, the elm-beetle and San 

 Jose scale work, bee keei>ing in Rhode Island, and how to keep bees. 



Combating' scale and other insects, L. Tbabut {La, Defense contre les 

 Cochenilles et autres Insectes Fix6s. Algiers: Gouvt. G6n. Algirie, 1910, pp. 

 151, pis. 4, figs. 127). — Noted from another source (E. S. R., 27, p. 357). 



Insect pests, J. H. Fabre (Les Ravageurs; R^cits sur les Insectes Nuisibles 

 a VAgriculture. Paris, \1912], pp. 282, j)ls. 16). — This is a small popular work. 



Sugar cane insects in Trinidad, F. W. Urich (West Indian Bui., 12 (1912), 

 No. 3, pp. 3S8-391). — The principal cane pests and their status in Trinidad are 

 briefly noted. 



The enemies of the olive, P. Papageorgiou (Ann. Genibloux, 22 (1912), No. 

 9, pp. 521-531). — The author here gives a brief account of the olive scolytid 

 (Phlceotribus olece), olive fly (Dacus olece), olive scale (Lecanium olece), and 

 sooty mold (Fumago olece), and means of combating them. 



Insects attacking the prune in the Pacific Northwest, A. B. Cobdley (Bet- 

 ter Fruit, 7 (1912), No. 2, pp. 9-13, figs. 6). — This is a brief popular account of 

 the more important insect enemies of the prune, including the western peach 

 and prune borer (Sanninoidea opalescens), San Jose scale, prune twig miner 

 (Anarsia lineateUa), bud-moth, shot-hole borer (Xylehorus dispar), cicadas, the 

 branch and twig borer (Polycaon confertus), and tent caterpillars (Malaco- 

 soma spp.). 



Natural enemies of the banana occurring in Queensland, H. Tryon 

 Queensland Agr. Jour., 28 (1912), No. 5, pp. 360-363) .—The insect pests here 

 mentioned are the fruit fly Dacus (Tephritis) tryoni and a leaf-eating weevil 

 (Coptorhynchus si5.). 



Insect pests of cacao, P. L. Guppy (West Indian Bui., 12 (1912), No. S, 

 pp. 310-320). — In addition to a somewhat detailed account of the cacao beetle 

 (Steirastoma depressum) and cacao thrips (Heliothrips rubrocinctus) , the 

 author presents a preliminary list of 30 insects affecting the cacao tree, ar- 

 ranged more or less in the order of their importance. 



Coconut pests, O. W. Barrett and D. B. Mackie (Philippine Agr. Rev. 

 [English Ed.], 5 (1912), No. 5, pp. 254-261, pis. 5).— This is a brief account of 

 the enemies of the coconut, including insects, diseases, mammals, birds, and 

 Crustacea. 



It is said that of 75 or more recorded insect pests of coconut there are only 5 

 or 6 species that are actually injuring the crop to any great extent and of these 



