NO. 1977. MOiVOGRAPH OF THE SIONIPHORINJE—GIRAULT. 233 



Howard, Leland Ossian. Insect Life, United States Department of Agriculture 

 Washington, D. C, vol. 6, 1894, pp. 233-235, fig. 10. 

 Redescription of the genus; original description of occidentalis with figure of adult 

 female. From Aspidiotus aurantii citrinus. Signiphorinae established. 



Johnson, Willis Grant. Bull. No. 6, new series, Division Ent., U. S. Department 

 of Agriculture, Washington, D. C, 1896, p. 75. 

 States that Signiphora nigrita Howard MS. reared, among others (aphelinines) from 

 Aspidiotus forhesi Johnson. (The species nigrita is a nomen nudum and is the 

 same as pulchra Girault.) 



Dalla Torre, Carl G. De. Catalogus hymenopterorum hucusque descriptorum 

 systematicus et synonymicus, Lipsise, vol. 5, 1898, p. 217 and footnotes 1 and 2. 

 Catalogue of the suhfamUy; flavopalliata Ashmead and occidentalis Howard the two 

 species included. 



Ashmead, William Harris. Proc. Ent. Soc. Washington, Washington, D. C, vol. 4, 

 pt. 3, May 24, 1899, pp. 236, 248. 



Divisions of the Chalcidoidea stated — Signiphoringe, one of them, p. 236. Synopsis 

 of the subfamilies of the Chalcidoidea; Signiphorinae of the Encyrtidae; same as 

 Ashmead (1904). 



On the genera of the Chalcid-flies belonging to the subfamily Encyrtinae. 



Proc. U. S. Nat. Mus., Washington, D. C, vol. 22, 1900, pp. 409-412. 



Table of the species of Signiphora: nigra, australiensis, dactylopii, noacki, unifasciata, 

 p. 410; bifasciata, mexicana, rhizococci, p. 411; aleyrodis, coquilletti, aspidioti, town- 

 sendi, p. 412 (new species). 



Classification of the Chalcid Flies or the superfamily Chalcidoidea, with 



etc. Memoirs of the Carnegie Museum, Pittsburgh, vol. 1, No. 4, January, 1904. 

 (Serial No. 21, Publications of the Carnegie Museum), pp. 286-287, 311, 388, 497. 



Schmiedeknecht, Otto. Genera insectorum (P. Wytsman), Bruxelles, 1909, 97™^ 

 fascicule, family Chalcididas, pp. 191, 261. 



