112 



SwAiN (A. F.). Miscellaneous Studies in the Family Aphididae (Hem., 

 Horn.). — Entom. News, Philadelphia, xxix, no. 10, December 

 1918, pp. 361-369, 6 figs. 



Certain questions concerning the identity and synonymy of various 

 genera and species of Aphids are discussed, and the author's conclu- 

 sions, the results of study of this family in California, are given. 



The genus Macrosiphoniella was described by Del Guercio, with 

 Macrosiphum atrum, Ferr., as the genotype. The author agrees with 

 Del Guercio in placing certain species hitherto included in Macrosiphum 

 in this genus, and gives the latter's key for differentiating Macrosi- 

 phoniella from Megoura, Buckt., and Macrosiphum, Pass. These 

 are : — Siphonophora absinthii, Koch, S. artemisiae, Boy. {tanacetaria, 

 Koch), Aphis campamdac, Kalt., Macrosiphoniella chrysanthemi, Del G., 

 Siphonopho'a linariae, Koch, S. h/tea, Buckt., Aphis millejolii, F., 

 A. solani, Walk., and A. viciae, Kalt. To these the author adds 

 M. sanhorni, Gillette, taken on chrysanthemums in California, while 

 Van der Goot includes M. cilricola, v. d. G. 



With regard to M. {S.) artefnisiae. Boy., Wilson recorded a species 

 from Artemisia in Oregon under this name, treating S.frigidae, Oestl., 

 as a synonym of it. S. frigidae, however, is distinct and belongs to 

 Macrosiphum, while S. artemisiae belongs to Macrosiphoniella, the 

 latter species not having as yet been reported from America. 



An Aphid recently discovered by the author on cypress {Cupressus 

 guadalupensis and C. macrocarpa) in California was described as 

 Cerosipha cupressi, being placed provisionally in this genus. A new 

 generic name, Siphonatrophia, is now erected for it. This species 

 lives singly on the tips of cypress leaves. Alate forms are very rare, 

 indicating the existence of an alternate host-plant, which however 

 is as yet unknown. A key is given differentiating Siphonatrophia 

 from Brachycolus, Buckt., of which the type is Aphis stellariae. Hardy, 

 and from Cryptosiphum, Buckt., of which the type is C. artemisiae, 

 Buckt. 



The genus Monellia, described by Oestlimd with Aphis caryelh. 

 Fitch, as the type, was separated from Callipterus, Koch, on the 

 horizontal position of the wings when at rest. This character, however, 

 is not constant either in the type species or in M. californica, and the 

 retention of the name is not considered justifiable. The four known 

 species of Monellia, M. calif ornicus, Essig, M. costulis, Fitch, M. caryae, 

 Monell, and M.caryella, Fitch, should therefore be referred to CaZ/ipferws. 

 All these have as their host-plants either Carya spp. or Jvglans spp. 

 or both. 



Examples of a species of Thripsaphis found on leaves of Carex sp. 

 in California are described as Thripsaphis caricicola, sp. n. It appears 

 to be very closely related to T. verrucosa. Gill., of which only apterous 

 oviparous females have been described. 



Jardine (N.K.). The Tea Tortrix {Homona coffearia, Nietner).— 

 Ceylon Dept. Agric, Peradeniya, Bull. no. 40, November 1918, 

 38 pp., 14 figs., 1 map. 



The greater part of the subject-matter of this bulletin has already 

 been noticed from a previous report [see this Review, Ser. A, vi, p. 540]. 



