550 EXPERIMENT STATION EECOED. 



E. gossypii collected from the tips of the leaves of cotton at Yuma, Ariz. ; 

 Rhipiphorothrips pulchellus u. g. and n. sp., from the banyan tree, Philippine 

 Islands; Microthrips piercei n. g. and n. sp., collected from cotton and Vernonia 

 at Dallas, Tex., and from papaw at Clarksville, Tenu. ; Horistothrips australiw 

 n. g. and n. sp., collected under dead scales of Eriococcus on Eucalyptus at Swan 

 River, Australia ; etc. 



New locality and food plant records for certain Thysanoptera are appended. 



Attempts to find disease g'erms in the European bedbug (Cimex lectu- 

 larius) after feeding- experiments in various diseases, lepi'osy, lymphade- 

 noma, carcinoma, etc., D. Thomson {Ann. Trop. Med. and Par., 8 {1914), ^o. 

 1, pp. 19-28). — "Four hundred and fifty-five bedbugs were employed in this 

 research ; of these 184 were used as controls. Insufiicient research has been 

 carried on with regard to the possibility of the transmission of disease in 

 temperate climates by bloodsucking insects occurring in these climates. Proto- 

 zoal parasites do not appear to exist normally in the European bedbug. No 

 acid-fast bacilli were found in 105 bedbugs fed on lepers, nor in 35 bedbugs 

 caught on the bed mattresses of leper patients. In the few experiments con- 

 ducted nothing abnormal was found in bugs fed on cases of lymphadenoma, 

 chronic lymphatic leukemia, sarcoma, carcinoma, and malaria. Forty bedbugs 

 fed on a case of spleno-medullary leukemia all developed numerous Charcot- 

 Leyden crystals in their intestines." 



An egg" parasite of the tarnished plant bug (Lygus pratensis), C. R. 

 Crosby and,M. D. Leonard {Canad. Ent., 46 {1914), No. 5, pp. 181, 182, figs. 

 2). — Under the name Anagrus ovijcntatus the authors describe a new parasite 

 reared from eggs of L. pratensis in October, 1913. at Ithaca, N. Y. 



A contribution toward a monograph of the homopterous insects of the 

 family Delphacidae of North and South America, D. L. Crawford {Proc. 

 U. S. Nat. Mas., Jf6 {1914), pp. 557-640, plf<. 6).— This is a synopsis of a family 

 closely related to the Fulgoridfe. 



On the susceptibility and immunity of vines to the attacks of phylloxera, 

 C. BoRNER {Biol. Centbl., 34 {1914), No. 1, pp. 1-8; ads. in Rev. Appl. Ent., 

 2 {1914), Ser. A, No. 3, pp. 156, 157).— A report is given of experiments carried 

 on by the author in Villers I'Orme. near Metz, by Brichon in Pagny-sur-Moselle. 

 and by Autelin in Nancy, on the resistance of different vines to attacks of 

 phylloxera. The most important result of the experiments is to show that the 

 effect produced upon vines by the Lorraine phylloxera is quite different from 

 that produced by the south of France form. The author concludes that there 

 are two species of phylloxera and designates the Lorraine form as Phylloxera 

 pcrvastatri.T. 



The fumigation of citrus trees, L. Gough {Agr. Jour. Egypt, 4 {1914), 

 No. 1, pp. 17-29). — This paper gives a brief account of the habits of the 

 Coccld?e which infest citrus trees in Egypt and means of combating them. 



Sweet potato sphinx, J. C. Faure {Agr. Jour. Union So. Africa, 7 {1914), 

 No. 4, pp. 515-519, fig. 1). — The sweet potato sphinx moth ( ? Herse convolvuU) 

 is said to cause serious damage to the sweet potato in Natal, reducing the 

 crop from 25 to 50 per cent, and perhaps more. 



Oak pests. — The carpenter worm (Prionoxystus robiniae), L. Childs {Mo. 

 Bui. Com. Hort. Cal., 3 {1914), No. 7, pp. 259-264, figs. 6).— It is stated that 

 California live oaks, as well as poplars, willows, locusts, and elms, are in many 

 localities attacked and greatly damaged by this pest through the larva feeding 

 in the trunks and larger limbs. 



Phlyct^nodes sticticalis, its life history and methods of fighting it, S. A. 

 MoKRZECKi {Abs. in Rev. Appl. Ent., 1 {1913), Scr. A. No. 10, pp. 359-361).— 

 This pyralid moth is said to occur everywhere in European Russia, as well as 



