ENTOMOLOGY. 151 



heetles {Epie<(nf(i rittota, E. pennxjilvanlca, E. lemmscata, I'J. ciiierea, and Macrobasis 

 iinicoJor), bag, or basket, worm ( Thyrldopta-jix ephcmcnvformis), cabl)age apliis 

 {Aphis hrassico'), apple jilaut louse {Aphis mall), Hessian fly {Cecidomyia destructor), 

 straw worm {Isosoma iritici), joint worm (/. liardei), chinch bug {Elissus Jeiicopterus), 

 wliite gnibs {Lachnosteriia spp.), com, or boll, worm {HeUothis armigera,) cntw(n-ms 

 {Hadena devastatrix, H. stipata, and H. fraciiJinca). and the lines of insecf; immigra- 

 tion. Descriptions, life histories, and remedies are giv^en for the insects mentioned, 

 and a concise summary appended embodying in compact and easily available form 

 the main features elaborated previously. 



Anatomy of the digestive tube of Hymenoptera, Bordas {Compt. Bend., 118 

 {1894), Xo. :?5, pp. 1423,1425). — Technical descriptions of the alimentary apparatus. 



Experiments -with pure and crossed races of silkworms, E. Quajat {Bol. 

 Mensile BachicoJt.. 12 {1S94), No. 1, pp. 3-17). — Tabulated data and discussion of 

 results secured in experiments made in 1892 and 1893. 



The use of sulphur fumes in rearing silkworms, E. Yersox {Bol. Mensile Bach- 

 icolt., 12 {1S94), Xo. 2, pp. 19-23). — Report of I'csults of an experiment nuxde in 1893. 



Homes of social insects, L. N. Badexoch {Pop. Set. Monthly, 1894, July, pp. 

 33S-34'>, figs. ■'). — Illustrated popular article on the nests of some tropical ants and 

 wasps. 



An insect gall of Chondrilla juncea, E. Gaix {Bnl. Soc. Bat. France, 41 {1894), 

 No. 4, jjp. 252—234). — Descriptive^ notes on a two-lobed or three-lobed gall produced 

 by a new species of Cynipida', Auhix chondrilla'. 



Catalogue of gall insects and their host plants, A. Nai.epa {SpengcVs Zoologisehe 

 Jahrh., 7 {1893), pp. 247-327; ahs. in Bot. Centhl., 59 {1894), No. 1 and 3, pp. 44-40).— 

 A technical i:)aper. 



The destruction of two-year old fir bushes by Strophosonius coryli, Otior- 

 rhynchus septentrionus, and O. singuiaris, Dr. Altum {Ztschr. Forsf. n. Jagdw., 

 26 {1894), Xo. 5, pp. 273-277). — Descriptive and biological notes on these three 

 beetles, Avhich appear in May and June and lay their eggs among the iir roots, upon 

 which the larva' feed until August, when they pupate, emerging in the fall to pass 

 the winter as adults. Deep and clean cultivation is advised where possible, and 

 laying out boards and pieces of bark, under which the beetles hide during the day 

 and from which they may be collected and destroyed. 



Ravages of the Hessian fly in France, Laboulbexe {Jour. Ayr. Prat., 58 

 {1894), Xo. 26. pp. 928-930).— khutract oi i[.\\a,^eY read before the French National 

 Agricultural Society, on the occurrence of Cecidomyia destructor and damage done by 

 it in the northeast of France. Attention is called to the two yearly broods, and 

 rotation of crops advised. 



Unusual flights of the grouse locust (Tettigidea lateralis) in northeast Illinois, 

 J. H. Haxcock {Amrr. Xat., 28 {1894), No. 330, p. i.9.5j,— Xotes on this insect in the 

 fall of 1893. 



Invasionsof true locusts ; flight and ravages of Decticus albifrons, J. K. d'Her- 

 crLAis {Ann. Soc. Ent. France, 1894, Xo. l,pp. 7.?7-ii5).— Account of recent attacks of 

 the "Bon-Sag" in northern Africa and southern Europe, with some biologic notes. 



Larvae of oviparous Diptera feeding on the eggs of locusts, J. K. d'Herculais 

 {Compt. Rend., 118 {1894), Xo. 34, pp. /J.7,9-/.?,';?).—/rfia spp. deposit their eggs in the 

 nests of Acridium peregrinum, after the manner of some Hymenoptera, and the larvae 

 devour the locust eggs. 



Some viviparous Diptera with larvae parasitic upon locusts, J. K. d'Herculais 

 {Compt. Rend., 118 {1894), Xo. 20, pp. 1706 -^Mi').— Descriptive and biologic notes on 

 the larv;R of Sarcophaga spp., which are deposi ted by the flj^ on the tip of the abdomen 

 of Acridium spp., and bnrrow inward, destroying the generative organs and the 

 muscles of flight. 



Result of experiments with Botrytis tenella for the destruction of white 

 grubs, J. DUFOUR {Forst. natarw. Ztschr., 3 {1894), Xo.6, jj/j. J49-^55).— Experiments 



