40 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



Synonyms: Anal cell Morley 1903. Anal areolet Marshall 1885. 

 Areola analis Andre 1879. Cellule anale Berthoumieu 1904. Lanzett- 

 formige zelle Enslin 1912. Lancetcellc Nielsen and Henriksen 1915. 

 Humeral/eld Enslin 1912. Humeralcelle Nielsen and Henriksen 1915. 

 IstA MacGillivray 1906. 



Brachiellan cell. XVIII, in figures in which it occurs. 

 The area between discoidella and brachiella. 



Synonyms:- Second posterior cell Cameron 1882. Second discoidal cell 

 -Fernald 1906, Morley 1903. 2dM 2 MacGillivray 1906, Fernald 1906. 



Postellan cell or cells. Figs. 1, 2, XIX. 



The area behind anella; usually divided by a longitudinal vein 

 (axilius) forming two open cells. 



Synonyms: Anal cell Cameron 1882. 2dA (first postellan) Mac- 

 Gillivray 1906. 3dA (second postellan) MacGillivray 1906. 



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Section II. Veins. 

 Costella. Fig. 1, 2, 8, 10, ab; fig. 9, ad. 



The vein on the anterior margin of the wing between the wing 

 base and the stigmella or before any veins branch from it. 



Synonyms: Costa Morice 1903, MacGillivray 1906, Fernald 1906, Enslin 

 1912. Costal vein Cameron 1882. Costal nervure Marshall 1885. Costal- 

 aare Nielsen and Henriksen 1915. C MacGillivray 1906, Fernald 1906. 



Stigmella. Fig. 2, be. 



The triangular, lanceolate or oval thickened portion of the vein 

 on the anterior margin of the wing located at or near the middle; 

 usually absent but occurring in some groups, often as a secondary 

 sexual character. 



Synonyms: Stigma Ashmead 1900, and some other authors. 



Metacarpella. Figs. 1, 3, 5, 6, 8, bd; fig. 2, ch'd. 



The vein along anterior margin of wing beyond stigmella or if 

 stigmella is wanting beyond costella. 



Synonyms: Metacarpus Marshall 1885. .Ri Fernald 1906. 



Subcostella. Figs. 1, 8, eb; fig. 2, ejb; fig. 3, ahb, fig. 5, ab; figs. 6, 4, ajb. 



The second, or when costella is wanting first, vein from the 

 anterior margin of wing; extending from base to stigmella, or if 

 stigmella is wanting then to the point where it joins the anterior 

 margin of wing. 



