2;{2 .I.-.I. KÎkii-kk. (o2) 
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800. — 1866-1867. Procced. Ent. Soc. Philadelphia. I. VI. p. 223-229. 
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801. Webster (F.-M. . 1891. Tho llessian Fly. iBiiU. of IhcOhid agricul- 
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803. Weyenbergh. 1874. Varia entomologica. (Tijdsskrifl v. Entom.. 
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805. Westwood. 1840. IntrodiicliiMi lo Ihe modem classilicatidn of In- 
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80(). — 1847. The Avill(>w-I\\ig Midge (iardener's Chronicle, n" 63, 
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807. The wheal .Mi.lge. ;ibid., n" 37, p. 604, lig.\ 
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80!). WnEELKiî (W.-M.). 1899. On two new species of Cecidoni\id llies 
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