1910] ECONOMIC ZOOLOGY ENTOMOLOGY. 655 



The mango tree borer (Bntocera rubra) (Dipt. A<ir. Mauritius. Leaflet 10 

 {IMS), pp. 3, figs. 3). — A brief account of this borer, which is responsible for 

 considerable damage to several species of trees In Mauritius, Including title 

 Bols Nolr, the banyan, the "Golden Apple," and the kapok tree. 



A new genus (Perissarthron) of Elateridae and a revision of the American 

 Elaterida? of the genus Pyrophorus, with descriptions of new species, .1. A. 

 Htslop {Proc. Ent. Boo. Wash., 19 (1917), No. 1-4, pp. 1-14, pi. l, fiu*. 17).— 

 Pour Bpeclea <>( Pyrophorus are recognized from the United suites, of which 

 tun are described :is new. 



The elaterid genus Oistus of Candeze, J. A. Htslop {Proc. Ent. Soc. Wash., 

 it) (1917), No. l-h. PP- 126-128). — Under the name Oistus edmonatoni the 

 author describes a new species collected on the cone of Douglas fir at Ashland, 

 Or eg. 



Notes and descriptions of some orchid weevils, H. S. BABBEB (Proc. Ent. 

 Sec. Wash.. I!) (1917), No. 1-J f . pp. 12-22, pi, 1).— Seven species are here de- 

 scribed of which three are new to science, namely, Acythopi us t/ilronotatus, 

 probably from the Philippine Islands, from orchids in greenhouses at Washing- 

 ton, I". i'., and in Bergen County, N. .1. ; Eucactophagua ireissi, probably from 

 tropical America, taken in orchid houses at Summit, N. J.; and E. bioccllutus 

 received from the Canal /one, Panama. 



How to control billbugs destructive to cereal and forage crops, A. F. Sat- 

 TEiMiiw.Mi (U. S. Dept, Ayr., Fanners' Bui. 1003 (1019), pp. 23, figs, .!',).— This 

 Is a popular summary- of Information on eleven species of billbugs of economic 

 Importance and their control, namely, the blue grass billbug (Spin uophorus 

 parvulus), corn billbug in. zea), day-colored biUbug in. csqualis), maize bill- 

 bug (8, niaidis). "curlew bug" ( > s '. callosus), tule billbug (8. discolor), cat-tail 

 billbug (8. pcrtina.r) , destructive billbug (S. destructor), Y-marked billbug (S. 

 venatus), Phoenix billbug (8. phoeniciensis) , and little billbug (8. minimus.). 



In the discussion of control measures, it is pointed out that serious injury to 

 cultivated crops by billbugs may be easily prevented by the following simple 

 beneficial cultural practices: Clean cultivation, fall plowing, planting of crops 

 which are Immune to billbug injury, proper rotation of crops, improved drainage 

 of damp lands, and community action in adopting control measures. 



The flower and the bee, J. H. Lovele [New York: Charles Scribner's Sons, 

 191S. pp. XVII +2S6, pi. 1, figs. 119). — This is a discussion of insects as related 

 to pollination. 



Negative results from attempted queen bee mating in a double tent in- 

 closure, L. V. Fkance (Science, n. scr., 49 (1919), So. 1255, />. 72). — A brief 

 statement of an experiment at the Minnesota Experiment Station, in which 

 negative results were obtained. 



Nesting habits of Bombus and Osmia, P. F. Homer (Trans. Utah \<ad. Sei., 

 1 (1908-1917), pp. 26-20).— Observations at Logan, Utah, of the nest of Bombus 

 tnorisoni, one of the most common of the western bumblebees, show that it not 

 only uses the pupal cases as storage cells but in addition builds both brood cells 

 and pollen tubes of wax. 



The Argentine ant and how to control it, F. L. Thomas (Alabama Col. Sta. 

 Circ. 39 (1918). pp. 55-58). — A brief popular summary of information. 



Notes on the larvae of some Cephidae, AY. Middleton- (Proc. Ent. Soc. Wash., 

 19 (1917), No. l-.' f . pp. 174-179, ficjs. 32).— This is the first of a series of papers 

 which will deal with descriptions, notes, and keys of North American sawtly 

 larva?. 



The American species of the genus Cephus, S. A. Roiiwer (Proc lint. Soc. 

 Wash., 19 (1917), No. 1-4, pp. 139-141). — A study of a large series of specimens 



