60 ENTOMOLOGICAL NEWS [xXXli, '21 



E. P. New hemipterous insects of the genera Aradus, Phytocoris 

 and Camptobrochys. 61, ix, 331-56. 



LEPIDOPTERA. Bell, E. I. Collecting Libythea bachmani. 

 19, xv, 130. Dyar, H. G. New L., chiefly from Mexico, with syn- 

 onymic notes. 15, viii, 187-98. Goldschmidt, R. Untersuchungen 

 zur entwicklungsphysiologie des flugelrnusters der schmetterlinge. 

 (Arch. f. Entwlck. d. Organ. Berlin, xlvii, 1-24.) Hebert, F. B. 

 Observations upon the instars of Phryganidia caterpillars. 20, xxii, 

 193-200. Johnson, H. L. Additional notes on Utethesia bella. 17, 

 iv, 94. Leuderwaldt, H. Sobre a biologia de Tanaphysa adornata- 

 lis. (Rev. Mus. Paulista, xi, 401 -2.) McMurray, N. Collecting in 

 November. Sesia ithaca. 17, iv, 90; 91-3. Miles Moss, A. Sphingi- 

 dae of Para, Brazil. Early stages, food plants, habits, etc. 71, 

 xxvii, 333-424. Prout, L. B. Supplementary notes on Dioptidae. 

 71, xxvii, 50*8-9. Schultze, E. A. Beitrage zur kenntnis der pedes 

 spurii der lepidopterenlarven. 111. 1919, A., 1., 1-72. Smith', M. 

 R. An insect supposed to breed in corn (Achatodes zeae.) 12, 

 xiii, 493. Swaine, J. M. The nervous system of the larva of Sthe- 

 nopis thule. 4, lii, 275-83. Warren, B. C. S. Some records of, and 

 observations on, the flying habit of butterflies when paired. 21, 

 xxxii, 218-23. 



Blackmore, E. H. New L. from British Columbia. 4, lii, 2GG-71. 

 Heinrich, C. The pea moth, a new species. 4, lii, 2.17-8. 



DIPTERA. Alexander & McAtee. Diptera of the superfamily 

 Tipuloidea found in the District of Columbia. 50, Iviii, 38:1-43-1. 

 Barber, G. W. A note on migration of larvae of the housefly. 12, 

 xiii, 493. Brolemann, H. W. Encore un mot les culicides. 12, 

 1920, 269-72. Johnson, C. W. Descriptions of some new tropical 

 Pachygastrinae. 5, xxvii, 112-15. Leonard, M. D. A dipterous 

 parasite of the parsnip webworm. 12, xiii, 491. Lutz, A. Dipteros 

 da familia Blepharoceridae, observados no Brazil. 117, xii, 21-4:;. 

 Malloch, J. R. A synopsis of the anthomyiid genus Trichopticus. 

 4, lii, 271-4. Nonidez, J. F. The internal phenomena of reproduc- 

 tion in Drosophila. 10O, xxxix, 207-230. Roch, O. Uber die larve 

 von Mycetobia pallipes. Ill, 1919, A, 277-98. Surcouf, J. M. R. 

 Sur une critique recente de J. Villeneuve. 20, 1920, 249-51. Speyer, 

 E. R. Notes on chemotropism in the housefly. 72, vii. 124-40. Ton- 

 noir, A. Contribution a 1'etude des Psychodidae. 33, Ix, H9-.i;. 



Alexander, C. P. Undescribed Tipulidae from western North 

 America. 61, x 35-46. Dyar, H. G. The Aedes of the mountains 

 of California and Oregon. A new Culex from Panama. Note on 

 Aedes fulvus. Note on the distribution of the flood-mosquitoes of 

 the west. The earliest name of the yellow fever mosquito. 15, 

 viii, 16.1-173; 173-7; 174-5; 198-9; 204. Lovett, A. L. Two new 



